WGA-120A
Carrier Type Instrumentation Amplifier
Summary
· Strong against inverter noise.
· Output of voltage or current is switchable
Features
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.
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WGA-120A
Carrier Type Instrumentation Amplifier
| Models | [WGA-120A-00] Power Codes: DC Power Supply: 10.5 to 15 VDC Power Consumption: 3.5 W or less Balance Adjustment: Manual [WGA-120A-01] Power Codes: 100 VAC Power Supply: 90 to 110 VAC Power Consumption: 6.5 VA or less Balance Adjustment: Manual [WGA-120A-02] Power Codes: 200 VAC Power Supply: 180 to 220 VAC, Power Consumption: 6.5 VA or less Balance Adjustment: Manual [WGA-120A-03] Power Codes: 240 VAC Power Supply: 216 to 264 VAC Power Consumption: 6.5 VA or less Balance Adjustment: Manual [WGA-120A-10] Power Codes: DC Power Supply: 10.5 to 15 VDC Power Consumption: 3.5 W or less Balance Adjustment: Automatic [WGA-120A-11] Power Codes: 100 VAC Power Supply: 90 to 110 VAC Power Consumption: 6.5 VA or less Balance Adjustment: Automatic [WGA-120A-12] Power Codes: 200 VAC Power Supply: 180 to 220 VAC Power Consumption: 6.5 VA or less Balance Adjustment: Automatic [WGA-120A-13] Power Codes: 240 VAC Power Supply: 216 to 264 VAC Power Consumption: 6.5 VA or less Balance Adjustment: Automatic |
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Specifications
| Channels | 1 |
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| Applicable Transducers | Strain-gage transducers |
| Compatible Bridge Resistance | 87.5 to 1000 Ω (Up to four 350 Ω transducers connected in parallel. Bridge excitation is limited to 2 or 1 Vrms for transducers with bridge resistance less than 175 Ω.) |
| Bridge Excitation | 5, 2, 1 Vrms, square wave (Switchable by changing internal jumper connection) |
| Input Range | [Sensitivity Switch ×2000] Bridge Excitation(Vrms):1 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±5 to ±12.5 Bridge Excitation(Vrms):2 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±2.5 to ±6.25 Bridge Excitation(Vrms):5 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±1 to ±2.5 [Sensitivity Switch ×4000] Bridge Excitation(Vrms):1 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±2.5 to ±6.25 Bridge Excitation(Vrms):2 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±0.5 to ±1.25 Bridge Excitation(Vrms):5 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±0.5 to ±1.25 [Sensitivity Switch ×10000] Bridge Excitation(Vrms):1 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±1 to ±2.5 Bridge Excitation(Vrms):2 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±2.5 to ±6.25 Bridge Excitation(Vrms):5 Input Range (mV/V)Sensitivity Adjustment×1 to ×0.4:±0.2 to ±0.5 |
| Rated Output | Voltage: ±10 V (Load resistance: 2 k Ω or more) Current: 4 to 20 mA (Load resistance: 500 Ω 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 Ω 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] Sensitive: ×10000, ×0.5 (Adjustment by the trimmer) Frequency response: 500 Hz Bridge resistance: 120 Ω Bridge excitation: 2 Vrms |
| Stability | Temperature Zero point: Within ±0.2μVRTI /°C Sensitivity: Within ±0.05%/°C Time Zero point: Within ±0.5μVRTI /8h Sensitivity: Within ±0.2%/8h [Conditions] Sensitive: ×10000, ×1.0 (Adjustment by the trimmer) Bridge resistance: 120 Ω Bridge excitation: 2 Vrms |
| Operating Temperature | -10 to 50°C |
| Operating Humidity | 20 to 85% (Non-condensing) |
| Power Supply | [WGA-120A-00] Power Codes: DC Power Supply: 10.5 to 15 VDC Power Consumption: 3.5 W or less Balance Adjustment: Manual [WGA-120A-01] Power Codes: 100 VAC Power Supply: 90 to 110 VAC Power Consumption: 6.5 VA or less Balance Adjustment: Manual [WGA-120A-02] Power Codes: 200 VAC Power Supply: 180 to 220 VAC, Power Consumption: 6.5 VA or less Balance Adjustment: Manual [WGA-120A-03] Power Codes: 240 VAC Power Supply: 216 to 264 VAC Power Consumption: 6.5 VA or less Balance Adjustment: Manual [WGA-120A-10] Power Codes: 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 Codes: 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 Codes: 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 Codes: 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 |
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| Optional Accessories | AC power cable P-23 (For 100 VAC) P-28 (For 200/240 VAC) DIN rail mounting fixture EDP-70 |
Dimensions
AC power cables
P-23
2-pin plug to 2 conductors, crimp-style terminal (M3)
Specifications
| Length | Approx. 2.0 m |
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| Object Product Model | WGA-100B, 101A, 120A, 200A, 650B, 680A, 710C, 910A WGC-140A WGI-400A |
| Others | For 100 VAC |
P-28
3 round-shape terminals to 3 conductors, pre-soldering at the cable tip
Specifications
| Length | Approx. 2.0 m |
|---|---|
| Object Product Model | WGA-100B, 101A, 120A, 200A, 650B, 680A, 710C, 910A WGC-140A WGI-400A |
| Others | For 200 VAC |
EDP-70
DIN Rail Mounting Fixture
| Object Product Model | WGA-120A |
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