WGA-101A – Instrumentation Amplifier
- Bridge excitation, sensitivity, calibration values and frequency response are switchable.
- Available in 2 types: Manual balance and auto balance
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.
Applicable Transducers Strain-gage transducers
Applicable Bridge Resistance 87.5 ? to 1000 ? (Bridge excitation is limited to 5 or 2 V for transducers with bridge resistance 175 ? 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 k? or more)
Current: 4 to 20 mA (Load resistance 500 ? 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: ?0.5 ?V RTI /?C; Sensitivity Sensitivity: ?0.01%/?C
EMC Directive EN61326-1(Class A?
RoHS Directive EN50581
Operating Temperature -10 to 50?C
Operating Humidity 20 to 85%RH (Non-condensing)
Dimensions 44 W ? 90 H ?110 D mm (Excluding protrusions)
Weight 650 g or less
Panel-cut Dimensions 45.0?93.4 mm
Standard Accessories Instruction manual
Optional Accessories AC power cables
P-23 (For 100 VAC)
P-28 (For 200 VAC)