KYOWA
WGA-120A
Carrier Type Instrumentation Amplifier

  • Strong against inverter noise.
  • Output of voltage or current is switchable
Categories: ,
Contact Sales Spec Sheet

Description

WGA-120A, Carrier Type Instrumentation Amplifier

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

Models:

  • WGA-120A-00
    • Power Codes: DC
    • Power Supply: 10.5 to 15 VDC
    • Power Consumption: 3.5 W or less
    • Balance Adjustment: Manual
  •  WGA-120A-01
    • Power Codes: 100 VAC
    • Power Supply: 90 to 110 VAC
    • Power Consumption: 6.5 VA or less
    • Balance Adjustment: Manual
  •  WGA-120A-02
    • Power Codes: 200 VAC
    • Power Supply: 180 to 220 VAC,
    • Power Consumption: 6.5 VA or less
    • Balance Adjustment: Manual
  • WGA-120A-03
    • Power Codes: 240 VAC
    • Power Supply: 216 to 264 VAC
    • Power Consumption: 6.5 VA or less
    • Balance Adjustment: Manual
  •  WGA-120A-10
    • Power Codes: DC
    • Power Supply: 10.5 to 15 VDC
    • Power Consumption: 3.5 W or less
    • Balance Adjustment: Automatic
  •  WGA-120A-11
    • Power Codes: 100 VAC
    • Power Supply: 90 to 110 VAC
    • Power Consumption: 6.5 VA or less
    • Balance Adjustment: Automatic
  • WGA-120A-12
    • Power Codes: 200 VAC
    • Power Supply: 180 to 220 VAC
    • Power Consumption: 6.5 VA or less
    • Balance Adjustment: Automatic
  • WGA-120A-13
    • Power Codes: 240 VAC
    • Power Supply: 216 to 264 VAC
    • Power Consumption: 6.5 VA or less
    • Balance Adjustment: Automatic

Specifications

Channels: 1

Applicable Transducers: Strain-gage transducers

Compatible 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 transducers with bridge resistance less than 175 Ω.)

Bridge Excitation: 5, 2, 1 Vrms, square wave (Switchable by changing internal jumper connection)

Input Range

[Sensitivity Switch ×2000]

  • Bridge Excitation(Vrms):1
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±5 to ±12.5
  • Bridge Excitation(Vrms):2
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±2.5 to ±6.25
  • Bridge Excitation(Vrms):5
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±1 to ±2.5

[Sensitivity Switch ×4000]

  • Bridge Excitation(Vrms):1
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±2.5 to ±6.25
  • Bridge Excitation(Vrms):2
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±0.5 to ±1.25
  • Bridge Excitation(Vrms):5
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±0.5 to ±1.25

[Sensitivity Switch ×10000]

  • Bridge Excitation(Vrms):1
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±1 to ±2.5
  • Bridge Excitation(Vrms):2
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±2.5 to ±6.25
  • Bridge Excitation(Vrms):5
    • Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±0.2 to ±0.5

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.

Frequency Response: 10, 30, 100, or 500 Hz (Switchable by changing internal jumper connection)

SN Ratio: 53dB p-p or more

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
Sensitive: ×10000, ×1.0 (Adjustment by the trimmer)
Bridge resistance: 120 Ω
Bridge excitation: 2 Vrms

EDP-70, DIN Rail Mounting Fixture