WGA-120A
Carrier Type Instrumentation Amplifier

  • CE

WGA-120A

Summary

· Strong against inverter noise.
· Output of voltage or current is switchable

Features

The WGA-120A is a Carrier Type Instrumentation Amplifier, which is suitable for connecting a strain-gage transducer to measure loads, pressure, torques or displacements.

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WGA-120A
Carrier Type Instrumentation Amplifier

WGA-120A
  • CE
Models WGA-120A

Specifications

Channels 1
Applicable Transducers Strain-gage transducers
Applicable Bridge Resistance 87.5 to 1000 Ω (Up to four 350 Ω transducers connected in parallel.
Bridge excitation is limited to 2 or 1 Vrms for b transducers with bridge resistance less than 175 Ω.)
Bridge Excitation 5 Vrms, 2 Vrms, or 1 Vrms, square wave
(Switchable by changing internal jumper connection)
Rated Output Voltage: ±10 V (Load resistance: 2 k Ω or more)
Current: 4 to 20 mA (Load resistance: 500 Ω or less, voltage output: 0 to 10 V)
(Switchable by changing internal jumper connection)
Zero Adjustment Range Within ±1.5 mV/V, manual balance or auto balance by selecting model.
Sensitivity Adjustment Range × 2000, ×4000, ×10000
(Switchable by changing internal jumper connection)
Adjustable between ×0.4 and ×1.0 by the trimmer.
Calibration Calibration by the parallel resistance method
0.25 mV/V or 0.05 mV/V at 350 Ω bridge resistance
(Switchable by changing internal jumper connection)
Frequency Response 10, 30, 100, or 500 Hz (Switchable by changing internal jumper connection)
Nonlinearity Within ±0.1%FS
SN Ratio 53dB p-p or more
[Conditions]
Sensitivity: ×10000, ×0.5(Adjustment by the trimmer)
Frequency Response: 500 Hz
Bridge resistance: 120 Ω
Bridge excitation: 2 Vrms
Stability Temperature
Zero point: Within ±0.2μVRTI /°C
Sensitivity: Within ±0.05%/°C
Time
Zero point: Within ±0.5μVRTI /8h
Sensitivity: Within ±0.2%/8h
[Conditions]
Sensitivity: ×10000, ×1.0(Adjustment by the trimmer)
Bridge resistance: 120 Ω, Bridge excitation: 2 Vrms
Compliance Directive 2011/65/EU (RoHS)
Directive 2014/30/EU (EMC)
Low Voltage Directive EN61010-1,EN61010-2-030
(Installation Category Ⅱ, Pollution Degree 2, Measurement Category O)
Operating Temperature -10 to 50°C
Operating Humidity 20 to 85% (Non-condensing)
Power Supply WGA-120A-00
Power Requirements: DC, Power Supply: 10.5 to 15 VDC, Power Consumption: 3.5 W or less, Balance Adjustment: Manual
WGA-120A-01
Power Requirements: 100 VAC, Power Supply: 90 to 110 VAC, Power
Consumption: 6.5 VA or less, Balance Adjustment: Manual
WGA-120A-02
Power Requirements: 200 VAC, Power Supply: 180 to 220 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Manual
WGA-120A-03
Power Requirements: 240 VAC, Power Supply: 216 to 264 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Manual
WGA-120A-10
Power Requirements: DC, Power Supply: 10.5 to 15 VDC, Power
Consumption: 3.5 W or less, Balance Adjustment: Automatic (Also possible with external contact)
WGA-120A-11
Power Requirements: 100 VAC, Power Supply: 90 to 110 VAC, Power
Consumption: 6.5 VA or less, Balance Adjustment: Automatic (Also possible with external contact)
WGA-120A-12
Power Requirements: 200 VAC, Power Supply: 180 to 220 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Automatic (Also possible with external contact)
WGA-120A-13
Power Requirements: 240 VAC, Power Supply: 216 to 264 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Automatic (Also possible with external contact)
Dimensions 44 W × 90 H ×80 D mm (Excluding protrusions)
Weight DC power supply model: Approx. 350g
AC power supply model: Approx. 450g
Panel-cut Dimensions 45×93.4 mm
Standard Accessories Instruction manual
Optional Accessories AC power cable
P-23 (For 100 VAC)
P-28 (For 200/240 VAC)
DIN rail mounting fixture EDP-70

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