KYOWA
WGA-101A
Instrumentation Amplifier

  • Bridge excitation, sensitivity, calibration values and frequency response are switchable.
  • Available in 2 types: Manual balance and auto balance

Description

WGA-101A, Instrumentation Amplifier

The WGA-101A is an Instrumentation Amplifier which is suitable to connect a strain-gage transducer to measure loads, pressure, torques or displacements.

It is compact, lightweight and moderate price.

Monitor terminals on front panel enables easily check data.

Types

Power Supply:

  • WGA-101A-00 10 to 30 VDC, 3.5 W or less
  • WGA-101A-01 100 VAC, 5 VA or less
  • WGA-101A-02 200 VAC, 8 VA or less
  • WGA-101A-10 10 to 30 VDC, 3.5 W or less
  • WGA-101A-11 100 VAC, 5 VA or less
  • WGA-101A-12 200 VAC, 8 VA or less

Balance Adjustment: 

  • WGA-101A-00 Manual
  • WGA-101A-01 Manual
  • WGA-101A-02 Manual
  • WGA-101A-10 Automatic (Also possible with external contact)
  • WGA-101A-11 Automatic (Also possible with external contact)
  • WGA-101A-12 Automatic (Also possible with external contact)

Specifications

Channels: 1

Applicable Transducers: Strain-gage transducers

Applicable Bridge Resistance: 87.5 Ω to 1000 Ω (Bridge excitation is limited to 5 or 2 V for transducers with bridge resistance 175 Ω or less)

Bridge Excitation: 10, 5 or 2 VDC (Switchable by changing internal jumper connection)

Rated Output:

  • Dual output
  • Voltage: ±10 V (Load resistance 2 kΩ or more)
  • Current: 4 to 20 mA (Load resistance 500 Ω or less)
  • (Corresponding to voltage output of 0 to 10 V)

Zero Adjustment Range: ±1.5 mV/V, by trimmer or auto balance

Sensitivity Adjustment Range:

  • x1000 or x4000 (Switchable by changing internal jumper connection)
  • Adjustable between x1/1 and x1/4 by the trimmer

Calibration: 0.25, 0.5 or 1.0 mV/V (Switchable by changing internal jumper connection)

Frequency Response:

  • 10, 30, 100 or 500 Hz (Switchable by changing internal jumper connection)
  • Attenuation: -12 dB/oct.

Nonlinearity: Within ±0.02% FS

Stability:

  • Zero point: Within ±0.5 μV RTI /ºC
  • Sensitivity: Within ±0.01%/ºC