SPEC SHEET
Conductivity Meter for Outdoor Use
FEB-102- ECM (Low Concentration)• 2-points Contact output (EVT output), 2-points Current output (Transmissionoutput) are standard features.
• Software communication function (RS-485) (Optional)• Drip-proof/Dust-proof IP65: Suitable for outdoor use

Name

Conductivity meter for outdoor use

ModelFEB-10Input points

22-ECM,
2 points

2-electrode conductivity sensor(Temperature element: Pt100 or Pt1000)
Supply voltage
100 to 240 V ACC5
Serial communication RS-485 (*1)
OptionEVT3
EVT3 output (Contact output 3) (*2)
EVT4
EVT3, EVT4 output (Contact output 3, 4) (*1)(*1) If the C5 option or EVT4 option is ordered, Transmission output 1 and 2 will not be available.
Input

ECM

(*2) If EVT3 option is ordered, Transmission output 1 will not be available.
Rated scaleInput

Conductivity

CellConstant

Scale Range

Resolution

0.01/cm

0.00 to 20.00

S/cm

0.01

S/cm

0.1/cm

0.0

to 200.0

S/cm

0.1

S/cm

1.0/cm0to 2000

S/cm

0.1

S/cm

0.01/cm

0.000 to 2.000 mS/m

0.001 mS/m

Conductivity 0.1/cm

0.00 to 20.00 mS/m

0.01 mS/m

Temperature
Pt100compensation(*)
Pt10001.0/cm

0.0

to 200.0 mS/m

0.1mS/m0.01/cm

0.0

to 20.0

mg/L

0.1

mg/L

0.1/cm0

to 200mg/L

1mg/L

1.0/cm0

to 2000 mg/L

1

mg/L

0.0

to 100.00.1(*) For the temperature indication, decimal point place can be selected.
Input
Repeatability
Linearity
Temperature indicating
accuracy
Input sampling period
Time accuracy
EVT output (2 points)

Calibration function

2-electrode conductivity sensor (Temperature element: Pt100 or Pt1000)
Conductivity:
Within0.5 % of measurement span
TDS conversion: Within
1.5 % of measurement span
Conductivity:
Within0.5 % of measurement span
TDS conversion: Within
1.5 % of measurement span
1250 ms (2 inputs)
Within1 % of setting time
Setting accuracy: Same as Temperature indicating accuracy
Output action: P control: When proportional band is set to any value except 0ON/OFF control: When proportional band is set to 0
Output: Relay contact 1a,
Control capacity: 3 A 250 V AC (Resistive load), 1 A 250 V AC (Inductive load cos =0.4),
Electrical life: 100,000 cycles
Action ON delay time: 0 to 10000 seconds
Action OFF delay time: 0 to 10000 seconds
Conductivity calibration: Perform Conductivity Zero adjustment first, followed by Span adjustment.
Temperature calibration (1 point)Transmission output
1, 2

Converting conductivity or temperature to analog signal every input sampling period, and outputs the value
in current. (The placement of the decimal point place does not follow the selection. It is fixed.)
Resolution
12000
Current
4 to 20 mA DC (Load resistance: Max 550 )Output accuracy
Within0.3 % of Transmission output span

Serial communication(optional)

The following operations can be carried out from an external computer.
(1) Reading and setting of various set values(2) Reading of the conductivity, temperature or status(3) Function change and adjustment
1.2 km (Max), Cable resistance value: Within 50(Terminators are not
Cable length
necessary, but if used, use 120
or more on one side.)
Communication line
EIA RS-485
Communication method
Half-duplex communication
Error correction
Command request repeat system
Parity check, Checksum (Shinko protocol),Error detection
LRC (Modbus protocol ASCII), CRC-16 (Modbus protocol RTU)
Communication speed, Synchronization method, Code form, Communication protocol, Data bit/parity and Stop bit
are selectable via keypad.

EVT3, EVT4 output(EVT3, EVT4 options)Self-diagnosis

Same as EVT output

Dimensions: W239.5 x H190 x D75 mm
Weight: Approx. 950 g

2

Ambient temperature
Relative humidity
Power supply
Mounting
Case, Front panel
Drip-proof/Dust-proof
Safety standards
Dimensions(Scale: mm)

The CPU is monitored by a watchdog timer, and if an abnormal status occurs, the instrument is switched to warm-up
status.
-20 to 50(Indicating accuracy is effective within 0 to 50 . Avoid direct sunlight.)
35 to 95 %RH (Non-condensing)
100 to 240 V AC 50/60 Hz, Allowable fluctuation range: 85 to 264 V AC, Power consumption: Approx. 10 VA
Wall mounting
Case: Polycarbonate, Color; Metallic gray, Front panel: Membrane sheet
IP65
RoHS directive conformity

4-9 mounting hole125(190 max)
161.5

21.2

186

34
1638

7 key hole
7534

34

34

220
239.5

Terminal arrangementE:
2-electrode conductivity sensor shielded wire terminal (①)
1, 2:2-electrode conductivity sensor terminals (③ - ④)A, B:
Temperature element Pt100 (2-wire), Pt1000 (2-wire) Temperature compensation sensor terminals (⑥ - ⑦)
A, B, B: Temperature element Pt100 (3-wire) Temperature compensation sensor terminals (⑥ - ⑦ - ⑧)
TRANSMIT OUTPUT1: Transmission output 1 terminals (⑩ - ⑪) (Not available if the C5 or EVT3/EVT4 option is ordered)
TRANSMIT OUTPUT2: Transmission output 2 terminals (⑫ - ⑬) (Not available if the C5 or EVT4 option is ordered)
EVT1: EVT1 output (Contact output 1) terminals (⑭ - ⑮)
EVT2: EVT2 output (Contact output 2) terminals (⑯ - ⑰)
EVT3: EVT3 output (Contact output 3) terminals (⑩ - ⑪) (When the EVT3 or EVT4 option is ordered)
EVT4: EVT4 output (Contact output 4) terminals (⑩ - ⑪) (When the EVT4 option is ordered)
RS-485: Serial communication terminals (⑩ - ⑪ - ⑫) (When the C5 option is ordered)
POWER SUPPLY: Power terminal (⑱ - ⑲)
FG: Ground terminal (⑳)

20170725