WGA-100B

Features

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.

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