F490A

PORTABLE DIGITAL INDICATOR

Performance
upgraded!

Specifications
AnalogExcitation voltage

DC 3 V±10%, Output current: Within 35 mA

Signal input range－3.0 to ＋3.0 mV/V

Calibration range-3.0 to -0.05 mV/V, +0.05 to +3.0 mV/V

AccuracyNon-linearity: Within 0.02% FS (at 3.0 mV/V input)
Zero drift: Within 0.3 μV/°C RTI
Gain drift: Within 5 ppm/°C

A/D converter

Speed: Select from 80, 400, or 1200 times/sec.
Resolution: 24 bit (binary) Approx. 1/30000 at 3.0 mV/V input

DisplayDisplay unit

128 × 64 dot black and white LCD

Measured value

5 digits: －99999 to ＋99999, Character height: 14 mm

Status display

Status Display 1: R (Recording)/ A (AC adapter on use)/ U (USB inconnection)/ N (NOV RAM reading)/ B (Backup battery abnormal)
Status Display 2: HI/ OK/ LO/ PEAK/ BOTTOM/ HOLD

RecordRecording function- Records when [REC] key is pressed- Records when stability is detected- Records the Hold value when the Hold is cancelled- Interval recording (records data at every fixed interval)- Records graph data (Records data displayed in graph)

Recording media

Internal memory

Recording method

Text form of CSV format

Recording dataID, number of recordings, recording date, recording time,measured channels, measured values, unit

Number of recording data 20000 data
Hold

Perfect for inspection of load cell
embedded into facilities & quick load check!
● Small, lightweight and power-saving design best for field use

Peak/ Bottom/ P-P/ Sample
Data monitoring range: All ranges/ level/ level+time

Measuring mode Load measuring/counting
Interface

USB interface

Display mode

Measured value, graph, recorded data, measured value (in mV/V equivalent)

GeneralPower supply

specifications

voltage

Internal power supply: AA alkaline battery or
Nickel metal-hydride rechargeable battery (4 pcs)
External power supply: Special AC adapter (5 V, 1.6 A for AC 100 V)

86(W) × 132(H) × 30(D) mm with weight of approx. 290 g
It can be continuously used for about 30 hours(when using 1 pc of 350 Ω sensor)

PowerApprox. 60 mA (when a 120 Ω sensor is connected, backlight OFF)

consumption

Approx. 70 mA (when a 120 Ω sensor is connected, backlight ON)

Backup power supply Lithium battery for storing of setting values and recorded data(stores up to 5 years or more)● The measured data can be stored in csv format in its
internal memory.
Recorded data can be referred to and copied using
its USB interface.

Continuous

Approx. 30 hours (when connected to 350 Ω sensor with backlight OFF)usage duration

Approx. 12 hours (when connected to 120 Ω sensor with backlight OFF)

Operation

Temperature: Operation temperature range: －10 to ＋40°C

condition

Humidity: 80% RH or less (non-condensing)External dimension

86(W) × 132(H) × 30(D) mm (not including protrusions)

WeightApprox. 290 g (including the 95 g weight of battery)

Attachments

AA alkaline battery…4Sensor connector…1

Optional

AP0516: Special AC adapter (for AC 100 V), CA81-USB: 1.8 m USB Type-A - miniUSB cable,

accessories

MACP-0520: Special AC adapter (for free power source),

CD-ROM…1

Operation manual…1

CBB-01-4W: 4-wire terminal block connector, TM400 AC CABLE EU: AC cable (for Europe)
CE marking

EMC directives: EN61326-1

certification

Safety standard: EN62311* Please note that there are possibilities of individual differences in a color tone on display devices
such as LEDs, fluorescent display tubes and LCDs due to manufacturing process or production lots.

External dimension● Equipped with a variety of information display such as graph,recorded data, measured value (in mV/V equivalent) etc.

Recording data

Calibration value

Measured value(in mV/V equivalent)

132

Graph

Display sensor output in terms ofmV/V. Useful for sensor
maintenance checkup.

● Hold function

Peak/ Bottom/ P-P/ Sample (data monitoring range can be set)

● Multi calibration functionStores 6 channels of calibration value; selectable arbitrary
calibration value according to sensors at fields

30

Last calibration date/time & zero
point of that time can be checked.
Load cell malfunction can befound immediately.

86

Unit: mmWith a 4-wire terminal blockconnector (sold separately),a cable with loose ends iseasily connectable