Kyowa
WGA-120A – Carrier Type Instrumentation Amplifier
Summary
- Strong against inverter noise.
- Output of voltage or current is switchable
Civil / Mechanical Measurement
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.
Technical Specifications
Channels 1
Applicable Transducers Strain-gage transducers
Applicable Bridge Resistance 87.5 to 1000 ? (Up to four 350 ? transducers connected in parallel.
Bridge excitation is limited to 2 or 1 Vrms for b transducers with bridge resistance less than 175 ?.)
Bridge Excitation 5 Vrms, 2 Vrms, or 1 Vrms, square wave
(Switchable by changing internal jumper connection)
Rated Output Voltage: ?10 V (Load resistance: 2 k ? or more)
Current: 4 to 20 mA (Load resistance: 500 ? 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.
Calibration Calibration by the parallel resistance method
0.25 mV/V or 0.05 mV/V at 350 ? bridge resistance
(Switchable by changing internal jumper connection)
Frequency Response 10, 30, 100, or 500 Hz (Switchable by changing internal jumper connection)
Nonlinearity Within ?0.1%FS
SN Ratio 53dB p-p or more
[Conditions]
Sensitivity: ?10000, ?0.5(Adjustment by the trimmer)
Frequency Response: 500 Hz
Bridge resistance: 120 ?
Bridge excitation: 2 Vrms
Stability Temperature
Zero point: Within ?0.2?VRTI /?C
Sensitivity: Within ?0.05%/?C
Time
Zero point: Within ?0.5?VRTI /8h
Sensitivity: Within ?0.2%/8h
[Conditions]
Sensitivity: ?10000, ?1.0(Adjustment by the trimmer)
Bridge resistance: 120 ?, Bridge excitation: 2 Vrms
EMC Directive EN61326-1 (Class A)
Low Voltage Directive EN61010-1?EN61010-2-030
(Installation Category ?, Pollution Degree 2, Measurement Category O)
RoHS Directive EN50581
Operating Temperature -10 to 50?C
Operating Humidity 20 to 85%RH (Non-condensing)
Power Supply WGA-120A-00
Power Requirements: DC, Power Supply: 10.5 to 15 VDC, Power Consumption: 3.5 W or less, Balance Adjustment: Manual
WGA-120A-01
Power Requirements: 100 VAC, Power Supply: 90 to 110 VAC, Power
Consumption: 6.5 VA or less, Balance Adjustment: Manual
WGA-120A-02
Power Requirements: 200 VAC, Power Supply: 180 to 220 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Manual
WGA-120A-03
Power Requirements: 240 VAC, Power Supply: 216 to 264 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Manual
WGA-120A-10
Power Requirements: DC, Power Supply: 10.5 to 15 VDC, Power
Consumption: 3.5 W or less, Balance Adjustment: Automatic (Also possible with external contact)
WGA-120A-11
Power Requirements: 100 VAC, Power Supply: 90 to 110 VAC, Power
Consumption: 6.5 VA or less, Balance Adjustment: Automatic (Also possible with external contact)
WGA-120A-12
Power Requirements: 200 VAC, Power Supply: 180 to 220 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Automatic (Also possible with external contact)
WGA-120A-13
Power Requirements: 240 VAC, Power Supply: 216 to 264 VAC, Power Consumption: 6.5 VA or less, Balance Adjustment: Automatic (Also possible with external contact)
Dimensions 44 W ? 90 H ?80 D mm (Excluding protrusions)
Weight DC power supply model: Approx. 350g
AC power supply model: Approx. 450g
Panel-cut Dimensions 45?93.4 mm
Standard Accessories Instruction manual
Optional Accessories AC power cable
P-23 (For 100 VAC)
P-28 (For 200/240 VAC)
DIN rail mounting fixture EDP-70
Others
N/A
