PORTABLE DIGITAL INDICATOR
MODEL

ＴＩ－８０１OPERATION MANUAL

Handy Indicator
TI-801

LIGHT
ZERO

LOCK

MENU
ENTRY

CLEAR
LOG

HOLD

TOYO SOKKITOYO SOKKI CO.,LTD.
964-24 Nippa-cho Kohoku-ku, Yokohama 223-0057 Japan
TEL +81-45-540-8353
FAX +81-45-544-8354

MA4-00298-R0(2021/4)

－－ Table of contents －－Page§１． SAFETY NOTICE ............................................................................................. 3§２． SUMMARY ..................................................................................................... 4§３． APPEARANCE AND EACH PART NAME .................................................................. 5§４． FUNCTION & OPERATION ................................................................................. 7４－１) Measuring Mode ......................................................................................... 7４－２) Logging data ............................................................................................. 9４－３) Serial communication ............................................................................... 10４－４) Distortion measurement ............................................................................ 12４－５) HUM noise check ...................................................................................... 12４－６) Function setting ....................................................................................... 12４－７) Test Mode .............................................................................................. 12§５． CALIBRATION .............................................................................................. 13５－１) Cancel Calibration Lock ............................................................................. 13５－２) Preparation prior to calibration ................................................................... 13５－３) Calibration by actual load .......................................................................... 14５－４) Calibration by equivalent input ................................................................... 14§６． FUNCTION MODE .......................................................................................... 15６－１) How to operate........................................................................................ 15６－２) Function Table ........................................................................................ 15§７． TEST MODE ................................................................................................. 19７－１) Operation method .................................................................................... 19７－２) Test item ............................................................................................... 19§８． TROUBLESHOOTING ...................................................................................... 20８－１) Basic check point ..................................................................................... 20８－２) Precautions at the time of calibration. .......................................................... 20８－３) Countermeasure when abnormal display is indic ated ...................................... 20８－４) Judgement whether this unit has malfunction ................................................ 20８－５) Checking Sensor (Load Cell)....................................................................... 21８－６) Error indication ....................................................................................... 21§９． SPECIFICATIONS .......................................................................................... 22９－１) A/D convert part ...................................................................................... 22９－２) Zero point and Sensitivity part ................................................................... 22９－３) Display part ............................................................................................ 22９－４) I/O part ................................................................................................. 22９－５) Data Logger part ..................................................................................... 23９－６) Distortion measurement part ..................................................................... 23９－７) HUM Check part ....................................................................................... 23９－８) General .................................................................................................. 23§１０． LIST OF MODELS AND ACCESSORIES ............................................................. 24１０－１) Model .................................................................................................. 24１０－２) Attached accessory ................................................................................ 24１０－３) Accessory sold separately ....................................................................... 24§１１． TERMINAL LAYOUT..................................................................................... 24§１２． DIMENSIONAL DRAWING ............................................................................. 25§１３． FUNCTION BLOCK DIAGRAM ........................................................................ 25※This operation manual conforms to program version 1.00 and later.
This document is translated from MA4-00297-R0 (Japanese)-2-

MA4-00298-R0

§１．Safety Notice
Please read this manual carefully to ensure the safety use of this unit.
Precautions in this chapter help to prevent any injury or damage to the user and otherpersonnel, so please read the following precautions carefully.
Precaution on general

WARNING① Do not disassemble or modify this unit. Which may cause fire, injury, electric
shock, malfunction, etc.
② Keep liquids away from this unit. Otherwise, it may cause overheating, electric
shock, malfunction, etc.
③ Use a specified power supply. Using an improper power supply may cause
overheating, fire, malfunction, etc.

Precaution on wiring

CAUTION① Turn power OFF of this unit before wiring.
② Wire to the terminal correctly and firmly.

Precaution on installation

CAUTION
Do not install this unit to the following places.
① Place where exists direct sunlight.
② Place where exists condensation.
③ Place where exists exceeded temperature or humidity of specified value.
④ Place where exists much dust.
⑤ Place where exists inflammable gas or inflammable steam.
⑥ Place where exists an extensive vibration or impact.
⑦ Place where exists strong electromagnetic fields.
⑧ Place where exists other expected hazards
Warranty
This unit is covered by one year warranty from original delivery date against design andmanufactural failure under normal and safe use of this unit .
Any repair or exchange has to be paid even during warranty period if the following cases isapplied.
・Failure due to wrong usage, disassembly, improper power supply, accident or acts of God.
・Failure due to services or repair by a person other than TOYO staff.
Warranty does not cover an equipment connected to this unit. We are exempted from failure of
the connected equipment.

-3-MA4-00298-R0

§２．Summary
This indicator is a portable digital indicator which has a signal input channel from a distortion
gauge type transducer. It is handy to maintain and inspect the equipment or facility by using
this unit because it is battery powered.
This unit has an analog to digital conversion of two sampling speed. Normal sampling speed
makes a measurement certain and stable. High speed sampling suits for observing fast
movement of an object.
This unit has various functions such as logging function, hold function, and serial
communication function, etc.
Logging function is helpful for collecting data to conduct experiment and communication
function is useful to store and analyze data on computer connected by USB cable.
This unit also has an expanded function to measure a distortion rate using a bridge box which
is sold separately.
The power is supplied by three AA alkaline batteries (LR6x3) or AC adaptor which is soldseparately.

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MA4-00298-R0

§３．Appearance and Each part nameAppearance of the unit

USB

⑤

④

ⓓⓔ ⓕ
Handy Indicator
TI-801

ⓐ
ⓑ
ⓖ
ⓘ

DC 5V

ⓒ

⑥

2020/11/22 12:34:56
LC
LOG TX NOR-1.2345 kg
MAX-1.2345
Z

MIN-5.4321
PT HOLD

①
ⓗ
ⓙ

LIGHT
ZERO

LOCK

ⓚ ⓛⓜⓝ ⓞ

③

MENU
ENTRY

CLEAR
LOG

②

HOLD

TOYO SOKKI① LCD with back light
Place

ⓐ
ⓑ
ⓒ
ⓓ
ⓔ
ⓕ
ⓖ
ⓗ
ⓘ
ⓙ
ⓚ
ⓛ
ⓜ
ⓝ
ⓞ

Indicator
2020/11/22

Content
12:34:56

Date and TimeYYYY/MM/DD

LC

Load Cell measurement

SG
HM

Distortion measurementLOG

hh:mm:ss

Hum Check measurement
Battery remain amount
Turn on when logging is prepared.
Blink during logging.

TX

Blink during transmitting data

NOR

Normal sampling speed. 8 times/second

FST

Fast sampling speed. 1,000 times/second−1.2345

Measured value

kg

Unit

MAX

Peak Hold value

MIN

Bottom Hold value
Key Locked
Calibration LockedZ

During Tare Subtraction or Net CalculationPT

The value of Preset Tare Subtraction has been set

PN

The value of Net Calculation has been set

HOLD

During Hold operation-5-

MA4-00298-R0

② Key switches
Key
ZERO
CLEAR
LIGHT / ▲HOLD /▼
LOCK / ◀
LOG / ▶
MENU/ENTRY

Measuring Mode

Function Mode
Power ON/OFF
Perform Tare subtraction−
Cancel Tare subtraction
Cancel the setting or Leave Function
Mode
Turn LCD back light ON/OFF
Increase the value of the selected digit
Select a candidate upward
Start/Stop Hold operation
Decrease the value of the selected digit
Select a candidate downward
Lock/Unlock keys
Select the digit toward left
Start/Stop logging
Select the digit toward rightEnter Function Mode
Memorize the setting③ Silicon cover④ Connector to Load Cell or Senor⑤ DC+5V input terminal for external AC adaptor (sold separately )⑥ micro USB type B terminal-6-

MA4-00298-R0

§４．Function & Operation
４－１) Measuring Mode
There are three measurements as the followings
1. Load Cell (LC) measurement
2. Distortion (SG) measurement
3. Hum Check (HM) measurement
Each measurement is selected at [Meas.config / Sensor].
Many functions described below are common to above three measurements, but some of them
are restricted to one or two of measurements.
1) LCD back light
Back light is turned ON/OFF each time when LIGHT key is pushed.
Time period to turn ON the back light is selected at [General config / LCD light] in Function
Mode.
This function is common to three measurements.
2) Auto Power OFF
Turn power OFF automatically after a time period starting from the last key operation.
A time period is selected at [General config / Power OFF] in Function Mode.
This function is common to three measurements.
3) Battery remaining amountBattery remaining amount is indicated by three phases .
more than 50%

more than 15%

less than 15%

It is recommended to use an AC adaptor when logging data because the battery will be
consumed quickly.
When the battery remaining amount becomes less than 15%, change to three new batteries
at the same time as soon as possible.
This function is common to three measurements.
※Indicator is a rough estimate because battery remaining amount will depend on battery typeand surrounding temperature.
4) Over Load
This is a function of alert for over-loading of Load Cell. The measured value blinks to informthat it exceeds the preset rated capacity of Load Cell, which set at [Meas.config / Capacity] in
Function Mode. Tare subtraction cannot be done during over -loaded.
This function is restricted to Load Cell measurement.
5) Tare Subtraction
When pushing ZERO key for 1 second, perform Tare subtraction. ’Z’ will be indicated on LCD
during Tare subtraction.
When pushing CLEAR key for 1 second, clear Tare subtraction.
Tare value is memorized even after powered OFF.
Tare subtraction cannot be done when over -loaded.
This function is restricted to Load Cell measurement and Distortion measurement. Tare value
is cleared when the measurement is changed.
6) Preset Tare Subtraction
This function is used for an object that have a known container weight (Tare value) beforehand.
Select a candidate [Pre-Tare] at [General config / Tare Sel] in Function Mode.

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MA4-00298-R0

Set the numeric value at [General config / Pre-Tare] in Function Mode. Setting range is -99999
to +99999.
When the value other than 0 is set, ’PT’ will be indicated on LCD and Tare value is subtracted
from the measured value afterwards.
This function is restricted to Load Cell measurement.
Please choose one either Preset Tare Subtraction or Net Calculation
7) Net Calculation
This function is used for an object that have a known content amount (Net value) beforehan d.
Select a candidate [Pre-Net] at [General config / Tare Sel] in Function Mode.
Set the numeric value at [General config / Pre-Tare] in Function Mode. Setting range is -99999
to +99999.
When the value other than 0 is set, ‘PN’ will be indicated on LCD.
When pushing ZERO key in Measuring Mode, ‘Z’ will be indicated on LCD and the measured
value is set to the preset Net value. Increase / decrease amount is displayed from thatmoment. Memorize the value of subtracting Net value from the measured value.
This function is restricted to Load Cell measurement.
Please choose one either Preset Tare Subtraction or Net Calculation
8) Hold
Set Hold function ON at [General config / Hold] in Function Mode beforehand. Push HOLD key tostart/stop Hold operation.
Display maximum value (Peak Hold) and minimum value (Bottom Hold) during Hold
operation.
The measured value is not hold during H old operation.
‘HOLD’ is indicated on LCD during Hold operation. ‘HOLD’ is disappeared when stopping Hold
operation, but maximum value and minimum value are still displayed until next Hold
operation.
This function is restricted to Load Cell measurement and Distortion measurement.
9) A/D sampling speed
Select sampling speed [Normal] or [Fast] at [Meas.config / A/D Sampling] in Function Mode.
Fast sampling suits for observing fast movement of an object but makes the meas ured value
fluctuate more than normal sampling.
Normal sampling : 8 times / second
Fast sampling: 1,000 times / second
This function is restricted to Load Cell measurement and Distortion measurement.
10) Digital Filter
Select the number of times of moving average at [ Meas.config / Digital Filter] in Function Mode.
The selective number of normal sampling is different from fast sampling.
When it is set larger, the measured value becomes more stable.
This function is restricted to Load Cell measurement and Distortion measurement.
11) Key Lock
This function is to prevent wrong operation.
Push LOCK key for 1 second to lock / unlock keys. ‘ ‘ is indicated on LCD and any key is not
accepted other than LOCK key andkey during key locked status.
This function is common to three measurements.
12) Cal Lock
This function prevents to change the span calibrated value from wrong operation.
Select [Lock] at [Protect / Cal Lock] in Function Mode. ‘ ’ is indicated on LCD and spancalibration cannot be done but zero calibration is accepted.
This function is common to three measurements.

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MA4-00298-R0

４－２) Logging data
When logging data, data are memorized to a non-volatile internal memory. Data are notvanished even after powered OFF.
Non-volatile memory can store only one dose of data from start to stop of logging. Each time tostart logging, data can be overwritten to the oldest data.
When logging multiple times, a dose of data should be transferred and saved to an external
computer each time at the end of logging.
Storable data in internal memory are
Normal sampling : 4,000 data of date/time and the measured value
Fast sampling: date/time of start logging, 10,000 data of the measured values,
date/time of stop logging※When logging data, battery will be consumed quickly. It will be out of battery on the way
if logging longer hours or the reserved time of logging is set. It is recommended to usean AC adaptor (sold separately) in that case.
※If the reserved start time is set, don’t turn power OFF and keep this unit stand by (‘Power
Saved’ is displayed). Because this unit cannot be powered ON automatically on the reserved
time.
※If

key is pushed or battery runs out during logging data, No log data is memorized.
※Auto power OFF should be OFF because it ispreferred to the logging. If powered OFF
during logging data, No log data ismemorized.

Start of logging

Set parameters of logging

LOG keyON
Fulfill condition
to startN
LOG key

Y

ON

Logging data

Fulfill condition
to stopN
LOG keyYON
End of logging

1) Start / Stop logging① [Manual]② [Above Trigger]③ [Below Trigger]④ [Timer]⑤ [Times]: Start when LOG key is pushed: Start/Stop when the measured value go above the start level: Start/Stop when the measured value go below the stop level: Start/Stop at the reserved time
: Stop when the number of logging data reaches to the preset value-9-

MA4-00298-R0

When LOG key is pushed during logging data, logging is forced to stop regardless of condition
to stop.
When the number of data reaches to the maximum capacity, 4,000 data in normal samplingor 10,000 data in fast sampling, logging is forced to stop except the condition of [Repeat].
2) Logging interval
Set the interval of logging data in a unit of second.
Setting range is 0 to 9999 second (2hours 46minutes 39seconds).
If setting value is 0, interval becomes sampling period, as 8 data/second in normal sampling,or 1,000 data/second in fast sampling.
3) The number of logging times
Set the number of logging times to stop.
Setting range is 0 to 9999 times or select [ Repeat].
If setting value is 0, the number of logging times becomes 4,000 times in normal sampling or
10,000 times in fast sampling.
If setting value is more than 4,000 in normal sampling, logging is stopped at 4, 000 times.
If select [Repeat], data exceeded the maximum number will be over-written to the oldest data
until stop.
4) Start / Stop levelSet the threshold value to start / stop logging. It compares to the measured value when
[Above Trigger] or [Below Trigger] is selected at [Logging Set / Log Start or Log Stop].
① [Start Level] : Start logging when the measured value go above/below the start level② [Stop Level] : Stop logging when the measured value go above/below the stop level5) Timer reservation to start / stop logging
Start/Stop logging when an internal clock will be at the reserved time.
If time difference between the present time and the reserved time is more than 3 minutes,‘Power Saved’ is displayed on LCD. Power applied to Load Cell will be cut and current
consumption will be minimized at power saved status.
※When the reserved start time is set, keep this unit to be powered ON. This unit cannot be
powered ON automatically on the reserved time.
If the start time of logging lag behind the time of inner clock, start logging immediately.
If the stop time of logging lag behind the time of inner clock, log only one data and stop
logging. Please set the correct start / stop time of logging.
6) Confirmation of log data
① Display log data
Select [ON] at [General config / Log Disp] in Function Mode to display log data.
Push ▲ or ▼ key to scroll the log data.
Push CLEAR key to return to Measuring Mode.
② Transmit log data to an external equipment
Transmit whole log data by serial communication.
Select [ON] at [Communication / Serial Comm. / LIST] in Function Mode to transmit log data.
Any key other than
key is not accepted until whole log data have been transmitted.
Format of transmitting data depends on normal / fast sampling, please refer to section
4-3).
４－３) Serial communication
This unit can transmit data or receive command to / from an external equipment through serial
communication on micro USB terminal.
① UART (Universal Asynchronous Receiver/Transmitter ) operation- 10 -

MA4-00298-R0

[OFF][Stream][Command][List]: Stop serial communication: Keep transmitting the measured value. Effective in normal sampling. No
data transmitted in fast sampling.
: Receive a command from an external equipment and this unit will transmit
an allocated response.
: Select [ON] to transmit list of log data. Any key other than
key is not
accepted until whole logging data have been transmitted.

② Communication Protocol
Data length: 7bit, Parity: Even, Stop bit: 2 bit, Baud rate: 38,400 bps③ Data Format (ASCII code)
Example of Stream data format
Measured value
Data bit1
2
Non decimal point
W
T
With decimal point
W
T
When over loaded
O
L

3
,
,
,

4
±
±
±

5
0
1
9

6
1
2
9

7
2
3
9

8
3
4
9

9
4
.
.

10
5
5
9

11
CR
CR
CR

12
LF
LF
LF

Example of List of log data format
Data bit
List of log data of
1
2
normal sampling
Y
Y
13
14
(date/time andh:measured value)
25
26
0
1
List of log data of
1
2
fast sampling
Y
Y
13
14
(start date/time,h:all measured values,
1
2
stop date/time)
W
T
1
2
Y
Y
13
14
h
:

3
Y
15
m
27
2
3
Y
15
m
3
,
3
Y
15
m

4
Y
16
m
28
3
4
Y
16
m
4
±
4
Y
16
m

5
/
17
:
29
4
5
/
17
:
5
0
5
/
17
:

6
M
18
s
30
5
6
M
18
s
6
1
6
M
18
s

7
M
19
s
31
CR
7
M
19
s
7
2
7
M
19
s

8
/
20
,
32
LF
8
/
20
CR
8
3
8
/
20
CR

9
D
21
W

10
D
22
T

11
,
23
,

12
h
24
±

9
D
21
LF
9
4
9
D
21
LF

10
D

11
,

12
h

10
5
10
D

11
CR
11
,

12
LF
12
h

YYYY=Year, MM=Month, DD=Date, hh=Hour, mm=Minute, ss=Second④ Command from an external equipment
Command
Response
REQ
WT,±######
DAZ
DAZ
AZR
AZR
PTR
PTR, ±######
PTR,±######
PTR,±######
LOG
refer to ③ above

Function
Request for the measured value
Tare subtraction
Clear Tare subtraction
Request for the preset Tare/Net value
Set the preset Tare/Net value
Request for list of log data

Error code
ERR-01

Content
Remarks
Memory error
Writing failure to non-volatile memory,
Writing error
etc.
ERR-02
Non implementation
Tare subtraction during over load, etc.
ERR-03
Format abnormality
Undefined command, Parity error, etc.
Attach a terminator, CR(0DH), LF(0AH) to the last of each command and response.
######: Decimal point is attached as response of REQ command. Forbid decimal
point when setting value as PTR command.

- 11 -

MA4-00298-R0

４－４) Distortion measurement
This unit has an expanded function to measure a distortion rate using a bridge box which is soldseparately.
Select [Strain Gage] at [Meas.config / Sensor] in Function Mode.
Gauge rate is fixed to 2. (1mV/V＝2,000με)
Measurement parameters are set as Unit = με (10 -6 ε), Decimal point = 0, Division = 1.
There is a One Gauge linearity correction function. Select [ON] at [Meas.config / 1G Linearity] in
Function Mode. Correction formula = ε / ( 1−ε ) ε: distortion rate４－５) HUM noise check
This function is able to measure the relative noise level originated from commercial powersource (Hum noise 50/60Hz), which affects Load Cell under measurement.
Select [HUM Check] at [Meas.config / Sensor] in Function Mode.
The measured noise value is peak to peak level and a unit is μV.
Measurement conditions are as follows,① This unit must be battery powered
If powered by AC adaptor or USB cable is connected to other equip ment, this unit cannot
measure hum noise correctly because of incoming noise from them.
② Nothing is placed on Load Cell.
③ A/D sampling is fixed to fast sampling.
※The measured hum noise value is rough value not precise level.

４－６) Function setting
Various functions are implemented in Function Mode.
Push ENTRY key for 1 second to enter Function Mode.
Please refer to section §6. Function Mode.
４－７) Test Mode
This is a function to confirm the operation of this unit. The response of indication and external
input / output signal in Test Mode is different from Measuring Mode. Please take measures fora connected external equipment to keep it from abnormality.
Enter Test Mode by pushing ENTRY key while turning power ON or pushing [ON] 3 times at[Protect / Test] in the Function Mode.

- 12 -

MA4-00298-R0

§５．Calibration
As for the calibration method, there are two kinds of calibration, as [Equivalent Input
Calibration] which input the equivalent output voltage of Load Cell by key operation, and as[Actual Load Calibration] which use a reference weight as an actual load. Calibration can bedone by either method but it will be operated by the last calibration. Recommend to calibrate byan actual load as much as possible.
５－１) Cancel Calibration Lock
There is a calibration lock function to keep the calibrated value secure from wrong operation.
‘ ‘ is indicated on LCD during calibration locked. But zero point calibration can be done.
Please cancel a calibration locked status prior to operate calibration.
Calibration lock function is set in Function Mode.
Function Mode
1

Example ofsetting
Protect

Operation

Category Select (※)
Select [Protect] by using ▲ or ▼ key
Protect
Push ENTRY key to enter Protect category
2
Protect
Cal LockSelect [Cal Lock] by using ▲ or ▼ key
Cal Lock
Push ENTRY key to proceed to Cal Lock menu
Test
3
CAL Lock
UnlockSelect [Unlock] by using ▲ or ▼ key
UnlockPush ENTRY key to memorize
Lock※abbreviated other categories / sub menus / candidates５－２) Preparation prior to calibration
Function Mode
Example ofsetting
1
Category Select (※)
Meas.config
Meas.config
2
Meas.config (※)
Unit
Unit
3
Unit (※)
kg
g
kg
4
Meas.config (※)
Decimal Point
Decimal Point
5
Decimal Point (※)
0
0
0.0
6
Meas.config (※)
Division
Division
7
Division (※)
1
1
2
8
Meas.config (※)
Capacity
Capacity9
Capacity
99999
99999 kg

Operation
Select [Meas.config] by using ▲ or ▼ key
Push ENTRY key to enter Meas.config category
Select [Unit] by using ▲ or ▼ key
Push ENTRY key to proceed to Unit menu
Select [kg] by using ▲ or ▼ key
Push ENTRY key to memorize
Select [Decimal Point] by using ▲ or ▼ key
Push ENTRY key to proceed to Decimal Point menu
Select [0] by using ▲ or ▼ key
Push ENTRY key to memorize
Select [Division] by using ▲ or ▼ key
Push ENTRY key to proceed to Division menu
Select [1] by using ▲ or ▼ key
Push ENTRY key to memorize

Select [Capacity] by using ▲ or ▼ key
Push ENTRY key to proceed to Capacity menu
Select the digit by using ◀ or ▶ key
Increase/Decrease the selected digit by using ▲or ▼ key to set the rated capacity of Load Cell
Push ENTRY key to memorize
10 Meas.config (※)
Digital Filter
Select [Digital Filter] by using ▲ or ▼ key
Digital Filter
Push ENTRY key to proceed to Digital Filter menu
11 Digital.Filter (NOR) (※) 4
Select [4] by using ▲ or ▼ key
1
Push ENTRY key to memorize
2
Candidates are different from fast sampling※abbreviated other categories / sub menus / candidates- 13 -

MA4-00298-R0

５－３) Calibration by actual load
Function Mode
Example ofsetting
1
Category Select (※)
Calibration
Calibration2
Calibration (※)
Cal Zero
Cal Zero3
Cal Zero
0 (fixed)
00000 kg
4
Calibration (※)
Cal Span
Cal Span5
Cal Span
10000
10000 kg

Operation

Select [Calibration] by using ▲ or ▼ key
Push ENTRY key to enter Calibration category
Select [Cal Zero] by using ▲ or ▼ key
Push ENTRY key to proceed to Cal Zero menu
Place no load on Load Cell
Push ENTRY key to calibrate zero
Select [Cal Span] by using ▲ or ▼ key
Push ENTRY key to proceed to Cal Span menu
Place a reference weight on Load Cell
Select the digit by using ◀ or ▶ key
Increase/Decrease the selected digit by using ▲or ▼ key to set the weight value
Push ENTRY key to calibrate span amount※abbreviated other categories / sub menus / candidates５－４) Calibration by equivalent input
Function Mode
Example ofsetting
1
Category Select (※)
Calibration
Calibration2
Calibration (※)
E.Zr.Adj
E.Zr.Adj
3
E.Zr.Adj
0.00000.0000 mV/V

Operation

Select [Calibration] by using ▲ or ▼ key
Push ENTRY key to enter Calibration category
Select [E.Zr.Adj] by using ▲ or ▼ key
Push ENTRY key to proceed to E.Zr.Adj menu
Select the digit by using ◀ or ▶ key
Increase/Decrease the selected digit by using ▲or ▼ key to set zero voltage (mV/V) of Load Cell
Push ENTRY key to calibrate equivalent zero
4
Calibration (※)
E.SpanSelect [E.Span] by using ▲ or ▼ key
E.SpanPush ENTRY key to proceed to E.Span menu
5E.Span
10000
Select the digit by using ◀ or ▶ key
10000 kg
Increase/Decrease the selected digit by using ▲or ▼ key to set the display value of span amountPush ENTRY key to memorize
6
Calibration (※)
E.Sp.Adj
Select [E.Sp.Adj] by using ▲ or ▼ key
E.Sp.Adj
Push ENTRY key to proceed to E.Sp.Adj menu
7
E.Sp.Adj
1.0000
Select the digit by using ◀ or ▶ key
1.0000 mV/V
Increase/Decrease the selected digit by using ▲or ▼ key to set span voltage (mV/V) of Load Cell
Push ENTRY key to calibrate equivalent span
※abbreviated other categories / sub menus / candidates- 14 -

MA4-00298-R0

§６．Function Mode
６－１) How to operate① Enter Function Mode by pushing MENU/ENTRY key for 1 second.
② Select categories or menus by using ▲ or ▼ key.
③ Push ENTRY key to determine④ When setting a numerical value, select the digit by using ◀ or ▶ key and increase/decrease the value by ▲ or ▼ key.
⑤ Select the value or candidate by using ▲ or ▼ key.
⑥ When completed the setting, memorize by pushing ENTRY key.
⑦ To cancel the setting or leave Function Mode, push CLEAR key.
⑧ Back to Measuring Mode automatically without key operation for 3 minutes.
６－２) Function Table
1 General config
Function Mode
1

Pre-Tare2

Tare Sel

3

HoldContent
Preset Tare
value
Select pre-Tare/pre-Net
Hold operation

Setting value/candidates-99999 to+99999
Pre-TareOperation
Set numerical value(0 at the time of shipment)

Preset Tare Subtraction(at the time of shipment)

Pre-NetOFF

NET Calculation
Hold OFF
Hold ON
Buzzer disabled
Buzzer enabled(at the time of shipment)

4

BuzzerBuzzer

ON
OFF
ON

5

LCD light

Time period ofturning LCD
Back light ON

1min.
2min.
5min

Lighted ON for 1 minutes
Lighted ON for 2 minutes
Lighted ON for 5 minute

Time period of
auto power OFF

10min.
Always
10min.
30min.

Lighted ON for 10 minutes
Lighted ON always
After 10minutes
After 30minutes

Date /time of
inner clock

60min.
Non
YY/MM/DD
hh:mm:ss

Display log data

OFF

After 60minutes
No auto power OFF
YY=Year, MM=Month, DD=Date
hh=Hour, mm=Minute, ss=Second(Japan standard time is set at thetime of shipment)
Do not display log data

ON

Display log data

(at the time of shipment)(at the time of shipment)

6Power OFF(at the time of shipment)

7

DATE

8

Log Disp(at the time of shipment)

2

1

Logging Set
Function
Mode
Log Start

Content
Select themethod to startlogging

Setting value /candidates
OFF

Operation
Logging disabled(at the time of shipment)

ManualAbove Trigger
Below Trigger- 15 -Start logging by LOG key
Start logging when the measured
value go above the start level
Start logging when the measured
value go below the start levelMA4-00298-R0

2

Log Stop

Select themethod to stop
loggingStart logging at the reserved time
Stop logging at the preset number oftimes(at the time of shipment)
Stop logging when the measured
value go above the stop level
Stop logging when the measured
value go below the stop level
Stop logging at the reserved time
Set numerical value
Setting 0 operates as follows
8 data /sec. in normal sampling
1,000 data /sec. in fast sampling

Timer
Times
Above Trigger
Below Trigger

3

Log IntervalInterval of
logging

4

Log Times

The number oftimes of logging

Timer
0 to 9999 sec(0 at the time of shipment)

0 to 9999 times

Set numerical value
Setting 0 operates as follows
4,000 times in normal sampling
10,000 times in fast sampling

Repeat±99999

Data will be over-written to theoldest data repeatedly
Set numerical value±99999Set numerical value(0 at the time of shipment)

Threshold levelto start trigger
Threshold levelto stop trigger
Reserved time tostart logging
Reserved time
to stop logging

5

Start Level

6

Stop Level

7

Start Time

8

Stop Time

3

Communication
Function Mode

1

Serial Comm.

(+99999 at the time of shipment)(+99999 at the time of shipment)

YY=Year, MM=Month, DD=Date
hh=Hour, mm=Minute(21/01/01
00:00 at the time of shipment)

YY/MM/DD
hh:mm
YY/MM/DD
hh:mmContent
Setting serial
communication

Setting
candidates
OFF(at the time of shipment)

List

1

2

3

Meas.config
Function Mode
Sensor

1G Linearity

A/D Sampling

Disabled
Transmit data only
Receive command and Transmit
data
When selecting [ON], transmit
whole log data

StreamCommand

4

Operation

Content

Setting value/candidates
Load Cell

Load Cell measurement

Strain Gage
HUM Check
OFF

Distortion measurement
HUM check measurement
Disabled

Sampling speed

ON
NormalEnabledNormal speed sampling

Unit of the measured
value

Fast
g
kg

Fast speed samplinggram
kilogramConnected sensor
type

Operation(at the time of shipment)

One Gauge linearity
correction(at the time of shipment)(at the time of shipment)

4

Unit

(at the time of shipment)t- 16 -

ton
MA4-00298-R0

5

6

Decimal Point

Division

7

Capacity

8

Digital Filter

Decimal point
position

Newtonkilo Newton
Newton･meterkilo Newton･meter
Pascalkilo Pascal
Mega Pascal
gram force
kilogram force
ton force
millimeter
Percentage
millivolt per volt
micro strain
No unitNo decimal point

0.0
0.00
0.000
0.00001

1 digit after decimal point
2 digit after decimal point
3 digit after decimal point
4 digit after decimal point
Minimum division 1(at the time of shipment)

Minimum division of
the measured value(at the time of shipment)

Rated capacity of
Load Cell
The number of timesof moving average
in normal sampling

2
5
10
20
50
100
0 to +99999

Ditto in fast sampling

5

N
kN
N･m
kN･m
Pa
kPa
MPa
gf
kgf
tf
mm
%
mV/V
με
(None)
0

Minimum division 2
Minimum division 5
Minimum division 10
Minimum division 20
Minimum division 50
Minimum division 100
Set numerical value(99999 at the time of shipment)

1
2
4
8
12
16
24
32
1
5
10
20
50
100
200

(at the time of shipment)(at the time of shipment)

1

Calibration
Function Mode
Cal ZeroContent
Calibrate zero

Setting value
00000 (fixed)

Operation
Place no load on Load Cell
Push ENTRY key to calibrate zero2

Cal SpanCalibrate span

±1 to ±99999

Place a reference weight on Load
Cell
Set a weight value(10000 at the time of shipment)- 17 -

MA4-00298-R0

3E.Zr.Adj

Calibrateequivalent zero

0 to ±2.8000

Zero voltage (mV/V) of Load Cell
Set numerical value

4

E.Span±1 to ±99999

Set numerical value

5

E.Sp.Adj

Display value ofspan amountCalibrateequivalent span

±0.1 to ±3.0000

Span voltage (mV/V) of Load Cell
Set numerical value(0.0000 at the time of shipment)(10000 at the time of shipment)(1.0000 at the time of shipment)

6

Protect
Function Mode

1 Cal LockContent
Calibration lock

Setting
candidates
UnlockOperation
Span calibration enabled

Lock
OFF

Span calibration disabled
Do not shift to Test Mode

ON

Push ENTRY key 3 times to shift
to Test Mode(at the time of shipment)

2 TestShift to Test
Mode

(at the time of shipment)- 18 -

MA4-00298-R0

§７．Test Mode
※The response of external I/O signal and indication of display is different during Test Mode.
Please take measures to connected external equipment to keep it from abnormality. Test
Mode confirms conditions of this unit by manual operation.
７－１)

Operation method

1) To enter Test Mode, push ENTRY key while powering ON or select [ON] 3 times at [Protect/ Test] of Function Mode.
2) To leave Test Mode, turn power OFF or push ▶ key 3 times while displaying Model Nameor Program Version in Test Mode.
3) Push ▲ key to proceed to the next item. Push ▼ key to return to the previous item.
７－２) Test item
Guide Display
1
TEST
2
TI-801

3

4

P−X.XX

S/N
XXXXX

5

Content
Test Mode
Model Name

Description
Proceed to Model Name after 2 seconds
Push ▶ key 3 times to leave Test Mode
Push ▲ key to the next item
Push ▼ key to the previous item
Push ▶ key 3 times to leave Test Mode

Program
VersionPush ▲ key to the next item
Push ▼ key to the previous item
Push ▲ key to the next item
Push ▼ key to the previous item

Serial Number
Check LCD /Buzzer

6

Key

7

Serial Comm.

8

Sensor input±X.XXXX mV/V

○
○
○○○ ○
○
×

Check Keys

Check Serial
Communication

Check input
voltage from
Load Cell

Displayed pattern is changed at every second
Push ZERO key to turn back light ON/OFF
Push CLEAR key to turn buzzer ON/OFF
Push ▲ key to the next item
Push ▼ key to the previous item
Indicate ○→X when allocated key is pushed
except power
key
Push ▲ key twice to the next item
Push ▼ key twice to the previous item
Transmit data by pushing ZERO or CLEAR key
Receive command ’REQ’ and transmit data
Data: WT,±###### C R L F#=Measured value
Push ▲ key to the next item
Push ▼ key to the previous item
Push ZERO key to set the value zero
Push CLEAR key to restore the value
Push ▲ key to the next item
Push ▼ key to the previous item

- 19 -

MA4-00298-R0

§８．Troubleshooting
If this unit does not work properly, please take the following measures . If the trouble still cannot
be solved, then please contact our company.
At query, please inform us the model name, product serial number, and conditions of this unit
as detailed as possible. The model name of Load Cell or a sensor connected to this unit shouldbe also informed.
８－１) Basic check point
1) Please check if using a correct power supply.
This unit is supplied voltage with three AA alkaline batteries (LR6x3) or dedicated AC
adaptor sold separately.
2) Please check that wires are connected to the terminal properly and firmly.
８－２) Precautions at the time of calibration.
1) Error occurs at the time of zero calibration.
・In case of exceeding the range of zero calibration.
To perform zero point calibration, Load Cell output with no load should be in the range of−2.8 to +2.8mV/V. Please contact us if it is out of the range of ±2.8mV/V, when using
Load Cell whose rated output is more than 3.3mV/V.
2) Error occurs at the time of span calibration, or display value is not correct as set in spancalibration.
・In case of a sensor output being higher.
This unit cannot measure in a system that the sum of initial Tare value and measured
value exceed 3.3mV/V. Please contact us when the rating output of the sensor is morethan 3.3mV/V.
・In case of input level of span calibration being lower.
This unit cannot calibrate span when span amount of output of Load Cell is too small.
Increase minimum scale to make resolution rougher or use an appropriate Load Cell.
3) Fluctuation of indication
・In case of span amount against resolution being not enough.
The input sensitivity of this unit is 0.2 μV/digit and indication resolution is 1/10,000 at
1.0mV/V input. If the resolution is more than this, fluctuation of indication becomesbigger. In this case, please increase minimum scale until not to be noticeable offluctuation.
８－３) Countermeasure when abnormal display is indicated1) In case of [A/D over] blinking
It is considered to be disconnected a part or whole of Load Cell cable. Refer the section8-5) Checking Sensor (Load Cell).
2) In case of the measured value blinking when not over-loaded. These two causes are
considered① Disconnection of sensor cable② Sensor failure
Please check input signal from a sensor in Test Mode.
８－４) Judgement whether this unit has malfunction
1) Please confirm whether the sensor excitation voltage is correct.
Set this unit to operation [Sensor input] in Test Mode before checking the excitation voltage.
Because it is impossible to measure the excitation voltage in normal sampling. P lease
disconnect Load Cell cable from this unit and check the voltage by a tester between#A(+EXC) and #C(-EXC) of connector is stable at 2V±0.2V. If it is not stable, this unit
should have malfunction.

- 20 -

MA4-00298-R0

2) Make electrical short between #D(+SIG) and #B(-SIG) of connector (make input voltage
0mV/V). Check input voltage in Test Mode. Please confirm whether it is stable at around0.0000 mV/V. If it is not stable, this unit should have malfunction. If it is stable, pleasecheck Load Cell side.
3) Serial communication check
Please perform serial communication check in Test Mode.
８－５) Checking Sensor (Load Cell)
Good or bad rough judgement can be done by measuring input/output resistance andinsulation resistance because Load Cell is structured by a bridge circuit.
(Please make sure to power OFF this unit first and disconnect Load Cell before checking
resistance)
1) Fault judging method by resistance of Load Cell.
Check bridge resistance of Load Cell by a tester, and confirm whether input/output
resistance are correct.
2) Fault judging method by insulation resistance of Load Cell.
Measure insulation resistance between shield line and other with voltag e less than 50V. If
the insulation resistance has more than 1000MΩ, insulation of Load Cell is no problem.
８－６) Error indication

1

Indication
The measured
value is blinking

2[A/D over] or[A/D-over]

3[CAL ERR]

4
5
6[Fail][Mem Err][Memory Error]

Contents
Alerting damage of a sensor. The measured value exceeds the presetcapacity. Please check the setting value at [Meas.config / capacity] in
Function Mode.
Input signal from Load Cell or a sensor exceeds the range of input.
Please check a sensor or a cable whether there is disconnection,
damage or failure.
Calibrated signal and value exceeds the range of calibration. Pleasecheck them during calibration.
Processing other task. Please try again after for a while.
Cannot memorize properly. Please try again after for a while.
There is a memory failure. Please contact TOYO

- 21 -

MA4-00298-R0

§９．Specifications
９－１) A/D convert part
1) Input signal range-3.3 to +3.3 mV/V
2) Non linearity Normal±0.02%FS±1countFast±0.02%FS±1count3) Temperature Normal zero
±0.0025%FS/℃ typ. at 1.0mV/V input
Characteristic
sensitivity ±0.0025% of Reading/℃ typ.
Fast
zero
±0.005%FS/℃ typ. at 1.0mV/V input
sensitivity ±0.005% of Reading/℃ typ.
4) Frequency response
Normalapprox. 0.9Hz(-3dB) at Digital Filter=4
Fast
approx. 20Hz(-3dB) at Digital Filter=20
5) Sampling speed
Normalapprox. 8 times/sec. (125ms)
Fast
approx. 1,000 times/sec. (1ms)6) Power for transducer
DC2V±5%, 25mA (able to connect 4 sensors of 350Ω)９－２) Zero point and Sensitivity part1) Adjustment range

zero
adjustable within the range of ±2.8mV/V input
sensitivity adjustable within the range of ±0.1 to ±3.0mV/V input
2) Minimum input sensitivity
0.2μV/digit(display resolution 1/10,000 at 1.0mV/V input)
3) Calibration method
Actual load method or Equivalent input method
4) Accuracy of Equivalent±0.2%FS (at 1.0mV/V input)
calibration method９－３) Display part
1) Display device2) Measured value display
3) Division4) Decimal point
5) Over load6) Unit display
7) Status indication

8) Display update
periodNormalFast

LCD 128 x 64 dot with white back light±99999 (zero suppressed)
1, 2, 5, 10, 20, 50, 100
0 (Nil), 0.0, 0.00, 0.000, 0.0000
Blinking when the measured value exceeds a capacity([A/D over] is displayed when input is out of range of A/D)
g, kg, t, N, kN, N・m, kN・m, Pa, kPa, MPa, gf, kgf, tf, mm,%, mV/V, μℇ, (None)
LC:Load Cell, SG:Distortion, HM;HUM Check,:Battery remain, LOG:Logging, TX:Transmit serial data
NOR/FST:Normal/Fast sampling,:Key Locked,:Calibration Locked, Z:Tare subtraction,
PT/PN:Preset Tare subtraction/Preset Net calculation,
HOLD:Hold operation
approx. 8 times/sec. (125ms)
approx. 10 times/sec. (100ms)

９－４) I/O part
1) Operation switch

8 key switches
ZERO
CLEAR
LIGHT /▲HOLD /▼
LOCK /◀
LOG/▶
ENTRY/MENU- 22 -: Power: Tare subtraction: Clear Tare subtraction: LCD back light: Hold: Key Lock
: Logging: Enter Function Mode/Memorize

MA4-00298-R0

2) UART (Universal Asynchronous Receiver/Transmitter )① Communication speed
384,00bps② Communication protocol
Data length:7bit, Stop bit:2bit, Parity:Even
Data: ASCII Code
③ Communication format
TOYO dedicated format④ Terminal
Micro USB type-B９－５) Data Logger part
Store one dose of log data to a non-volatile memory
Memory capacity:
Normal4,000 data of Date/Time and measured value
Fast
Start Date/Time, 10,000 data of measured value,
Stop Date/Time
９－６) Distortion measurement part
1) Gauge input signal
Using a dedicated bridge box which is sold separately
2) Applied voltage to a gauge
DC2V±5%3) Gauge resistance120Ω or more
4) Gauge rate
2 fixed (1mV/V =2,000 με)5) Range of measurement±12,000με (distortion level 10 -6 )6) Accuracy of measurement±0.2%Reading ±5count7) Temperaturezero±1count/℃
Characteristic
sensitivity ±0.01%Reading/℃９－７) HUM Check part
1) Range of measurement
2) Display update period９－８) General
1) Countermeasure of
power failure2) Supplied power voltage3) Consumption current4) Battery life5) Inner clock6) Operating temp. andhumidity range
7) Mass±15,000μV
approx. 10 times/second (100ms)

Data are memorized to a non-volatile memory
Two ways to be powered① Three AA alkaline batteries (LR6x3)② Dedicated AC adaptor TI-801-AC-KIT (sold separately)
approx. 70mA
(LCD back light OFF, connected to one 350Ω Load Cell)approx. 30 hours (same as above condition)
Powered by secondary manganese lithium battery−10 to +40℃, 85%R.H. or less (no existent condensation)
approx. 350g (include silicone cover, exclude batteries)- 23 -

MA4-00298-R0§１０．List of Models and Accessories
１０－１) Model
TI － 801
Product model name１０－２) Attached accessory1) Operation manual2) USB terminal cover3) AA alkaline battery (for testing)１０－３) Accessory sold separately
1) TI-801-AC-KIT
2) TI-801-USB-KIT
3) TB-13m
4) TB-2Gm

1 copy1 pc
3 pcs

Dedicated AC adaptor
Dedicated USB cable for serial communication
Dedicated bridge box of One Gauge 3 lines measurement
for both 120Ω and 350Ω
Dedicated bridge box of Two Gauge measurement§１１．Terminal Layout
1) Load Cell input connector (PRC03-21A10-7F: TAJIMI ELECTRONICS)
No.
Connection Signal
A+EXC
Excitation voltage to Load Cell (＋)
B－SIG
Input signal from Load Cell (－)
C－EXC
Excitation voltage to Load Cell (－)
D+SIG
Input signal from Load Cell (＋)
E
SHLD
Shield line of Load Cell cable
View from top of connector
F
NC
No connection
G
NC
No connection
Applicable plug connector (PRC03-12A10-7M10.5: TAJIMI ELECTRONICS)
Wire apart from a power line or a motor drive line with noise to prevent malfunction.
The cable wiring color varies depending on the m anufacturer or a model. Refer to the Test
Report attached to Load Cell, check the signal name and color, and connect correctly andfirmly.

- 24 -

MA4-00298-R0§１２．Dimensional drawing

USB
DC 5V

Handy Indicator
TI-801

Dedicated AC adaptor sold separately
Cable length approx. 1.5m

LIGHT
ZERO

LOCK

MENU
ENTRY

CLEAR
LOG

HOLD

TOYO SOKKI§１３．Function Block Diagram

A/D±3.3mV/V

L/C

DigitalFilterA/D Ref

GROSS(Gross Weight)

L/C Power(2V) 350Ω
4 point

CAL(ZERO Point & Sensitivity
Adjustment)
Actual Load Calibration or
Equivalent Input CalibrationZERO(Tare Subtraction)

Preset TARE
(Fixed TARE
Subtraction)

NET(Net Weight)

DIV(1,2,5,10,20,
50,100)NET

Measured value
Peak Hold
Bottom HoldLCD display

Log data
stored to inner
non-volatilememoryUART
Measuredvalue, Log data

USB

(99999)- 25 -

MA4-00298-R0