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Portable digital indicator F490A

Specifications

 

 

Analog Section

Excitation 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
Accuracy Non-linearity: within 0.02% FS (at 3.0 mV/V input)
Zero drift: within 0.3 μV/℃ RTI
Gain drift: within 5 ppm/℃
A/D converter Speed: Selectable from 80, 400, or 1200 times/sec.
Resolution: 24 bit (binary), Approx. 1/30000 at 3.0 mV/V input

Display Section

Display unit 128 × 64 dot black and white LCD
Measured value 5 digits: -99999 to +99999, Sign: Character height: 14 mm
Status display Status 1: R / A / U / N / B
Status 2: HI / OK / LO / PEAK / BOTTOM / HOLD

Setting Section

Setting items Tare*, equivalent input calibration, span calibration, zero calibration (one-touch zero), weight unit setting*, channel setting, HI setting, LO setting, machine ID setting*, setting value lock
Unit, digital filter, MD (period, range), ZT (period, range), near zero, digital zero, minimum scale, ADC sampling rate
Data, buzzer, backlight, auto off, version display, memory check, initialization
Hold: mode, range, start level, end level, monitoring time
Graph: time axis*, mode*, trigger edge*, trigger level*, pre-trigger*
Operation mode, HI/LO comparison mode, measuring mode*, recording mode*, real-time output*
* Not usable at simple operation mode

Recorder

Recording 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 data ID, number of recordings, recording data, measured channels, measured values, unit
Number of recording data 20,000 data

Hold Section

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

Measuring Mode

Mode Load measuring / counting

Display Mode

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

Clock

Display Year (last two digits), month, day, hour, minute
Accuracy Lunar inequality 1 minute. (ordinary temperature)

Interface

USB USB interface

General Specifications

Internal power supply AA alkaline batteries or Nickel metal-hydride rechargeable battery (4 pcs)
External power supply Special AC adapter (Optional)
Power consumption Approx. 60 mA (sensor 120 Ω, backlight OFF)
Approx. 70 mA (sensor 120 Ω, backlight ON)
Backup power supply Lithium battery (stores setting values and data for 5+ years)
Continuous usage duration Approx. 30 hours (sensor 350 Ω, backlight OFF)
Approx. 12 hours (sensor 120 Ω, backlight OFF)
Operating conditions -10℃ to +40℃, Humidity: 80% RH or lower (non-condensing)
External dimension 86(W) × 132(H) × 30(D) mm (Not including projections)
Weight Approx. 290 g (including 95 g battery)
CE marking certification EMC: EN61326-1
Safety: EN62311

Attachments

Sensor connector 1
AA alkaline battery 4
CD-ROM 1
Operation manual 1

Optional Accessories

AP0516 Special AC adapter
AP0520A Special AC adapter (for free power source)
TM400 AC CABLE EU AC cable (for Europe)
CA81-USB USB cable (Type-A-Bmini) 1.8 m
CBB-01-4W 4-wire terminal block connector

 

 

 

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.

Measured data USB interface

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

Graph display features

Hold function

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

Multi calibration function

Stores 6 channels of calibration values; allows selection of arbitrary calibration according to field sensors.

Optional accessories

With a 4-wire terminal block connector (sold separately), a cable with loose ends is easily connectable.

4-wire terminal block connector

Product outline

Perfect for inspection of load cell embedded into facilities & quick load check!

Small, lightweight and power-saving design best for field use

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)

Description

Specifications

 

 

Analog Section

Excitation 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
Accuracy Non-linearity: within 0.02% FS (at 3.0 mV/V input)
Zero drift: within 0.3 μV/℃ RTI
Gain drift: within 5 ppm/℃
A/D converter Speed: Selectable from 80, 400, or 1200 times/sec.
Resolution: 24 bit (binary), Approx. 1/30000 at 3.0 mV/V input

Display Section

Display unit 128 × 64 dot black and white LCD
Measured value 5 digits: -99999 to +99999, Sign: Character height: 14 mm
Status display Status 1: R / A / U / N / B
Status 2: HI / OK / LO / PEAK / BOTTOM / HOLD

Setting Section

Setting items Tare*, equivalent input calibration, span calibration, zero calibration (one-touch zero), weight unit setting*, channel setting, HI setting, LO setting, machine ID setting*, setting value lock
Unit, digital filter, MD (period, range), ZT (period, range), near zero, digital zero, minimum scale, ADC sampling rate
Data, buzzer, backlight, auto off, version display, memory check, initialization
Hold: mode, range, start level, end level, monitoring time
Graph: time axis*, mode*, trigger edge*, trigger level*, pre-trigger*
Operation mode, HI/LO comparison mode, measuring mode*, recording mode*, real-time output*
* Not usable at simple operation mode

Recorder

Recording 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 data ID, number of recordings, recording data, measured channels, measured values, unit
Number of recording data 20,000 data

Hold Section

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

Measuring Mode

Mode Load measuring / counting

Display Mode

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

Clock

Display Year (last two digits), month, day, hour, minute
Accuracy Lunar inequality 1 minute. (ordinary temperature)

Interface

USB USB interface

General Specifications

Internal power supply AA alkaline batteries or Nickel metal-hydride rechargeable battery (4 pcs)
External power supply Special AC adapter (Optional)
Power consumption Approx. 60 mA (sensor 120 Ω, backlight OFF)
Approx. 70 mA (sensor 120 Ω, backlight ON)
Backup power supply Lithium battery (stores setting values and data for 5+ years)
Continuous usage duration Approx. 30 hours (sensor 350 Ω, backlight OFF)
Approx. 12 hours (sensor 120 Ω, backlight OFF)
Operating conditions -10℃ to +40℃, Humidity: 80% RH or lower (non-condensing)
External dimension 86(W) × 132(H) × 30(D) mm (Not including projections)
Weight Approx. 290 g (including 95 g battery)
CE marking certification EMC: EN61326-1
Safety: EN62311

Attachments

Sensor connector 1
AA alkaline battery 4
CD-ROM 1
Operation manual 1

Optional Accessories

AP0516 Special AC adapter
AP0520A Special AC adapter (for free power source)
TM400 AC CABLE EU AC cable (for Europe)
CA81-USB USB cable (Type-A-Bmini) 1.8 m
CBB-01-4W 4-wire terminal block connector

 

 

 

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.

Measured data USB interface

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

Graph display features

Hold function

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

Multi calibration function

Stores 6 channels of calibration values; allows selection of arbitrary calibration according to field sensors.

Optional accessories

With a 4-wire terminal block connector (sold separately), a cable with loose ends is easily connectable.

4-wire terminal block connector

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