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Spec Sheet Description
WGA-100B, Instrumentation Amplifier
The WGA-100B 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.
Types
Power Supply:
- WGA-100B-00: 10 to 30 VDC, 3.5 W or less
- WGA-100B-01: 100 VAC, 5 VA or less
- WGA-100B-02: 200 VAC, 8 VA or less
- WGA-100B-10: 10 to 30 VDC, 3.5 W or less
- WGA-100B-11: 100 VAC, 5 VA or less
- WGA-100B-12: 200 VAC, 8 VA or less
Balance Adjustment:
- WGA-100B-00: Manual
- WGA-100B-01: Manual
- WGA-100B-02: Manual
- WGA-100B-10: Automatic (Also possible with external contact)
- WGA-100B-11: Automatic (Also possible with external contact)
- WGA-100B-12: Automatic (Also possible with external contact)
Specifications
Channels: 1
Applicable Transducers: Strain-gage transducers
Compatible Bridge Resistance:
- 87.5 Ω to 350 Ω
- (Up to 4 transducers with bridge resistance 350 Ω connected in parallel.)
- (Bridge excitation is limited to 5 V for transducers with bridge resistance 175 Ω or less.)
Bridge Excitation:
- 10 or 5 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:
- × 1000 or × 4000
- (Switchable by changing internal jumper connection)
- Adjustable between × 1/1 and × 1/4 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: 0.02% FS