WGA-650B
Instrumentation Amplifier

英文パネル

Summary

· Wide no-load zero adjustment range ±2 mV/V
· High/low limit comparators
· Indicated value is output in a voltage range of 0 to 10 V or in a current range of 4 to 20 mA.
· Up to 4 transducers with 350 Ω bridge resistance connected in parallel.

Features

The WGA-650B is an Instrumentation Amplifier which can display the physical quantity of an input sensor. It is compact and moderate price.

Products table

All display

WGA-650B-0
Standard Type

英文パネル
Models WGA-650B-0 M448 for power supply 100 to 127 VAC
WGA-650B-0 M449 for power supply 220 to 240 VAC

Specifications

Channels 1
Applicable Transducers Strain-gage transducers (Bridge resistance of 350Ω)
(Up to 4 transducers connectable in parallel)
Measuring Range 0 to 2.5 mV/V (5000 ×10-6 strain)
Bridge Excitation 10 VDC/2 VDC, switchable
No-load Zero Adjustment ±2 mV/V
Analog adjustment and digital adjustment in combination
Calibration By inputting a numeric value
By applying an actual load
Display -1999 to 19999 (Decimal point to be put anywhere.)
Character height 15.24 mm, red LED
Sampling Speed 4 times/s
Nonlinearity Within ±(0.03% FS + 1 digit)
Stability Zero point: ±0.5 μVRTI / ºC
Sensitivity: ±0.0025% / ºC
High/Low Limit Comparator Setting points: 2 (High limit, low limit)
Setting range: -1999 to 19999
Contact output: Relay contact output (1 transfer circuit for each point)
Contact capacity: 250 VAC, 0.5 A (Resistive load)
Analog Filters Cutoff frequencies: 1 Hz
Smoothing Moving averaging times: 2, 4, 8, and 16
Min. scale: 1, 2, 5, 10, 20, 50, and 100
Zero Compensation Digital zero compensation: Possible with external voltage signals
(10 to 30 VDC)
Automatic zero compensation: Indication is made zero when the reading is in the setting range for 2 s or more.
Adding Functions Setting range: -1999 to 19999
Analog (D/A) output Voltage: 0 to 10 V (Load resistance 2 kΩ or more)
Desired scaling possible
Current: 4 to 20 mA (Load resistance 500 Ω or less)
Corresponds to voltage output of 0 to 10 V.
Withstand voltage between the output and case: 500 VAC for one minute
Check Functions Transducer check, self-check
Input Terminal Board M3 screw board (applicable crimp-style terminals
1.25-3A and 1.25-3B or the equivalent)
Operating Temperature -10 to 50°C
Operating Humidity 20 to 85% (Non-condensing)
Power Supply 100 to 127 VAC or 220 to 240 AC, 20 VA or less
Dimensions 96 W × 96 H ×139 D mm (Excluding protrusions)
Weight Approx. 1.3 kg
Panel-cut Dimensions 92×92 mm
Standard Accessories AC power cable P-23 (For 100 VAC)
Instruction manual
Unit seal
Optional Accessories AC power cable P-28 (For 200 VAC)
Input cables U-33 (50 cm), U-34 (1 m), U-35 (2 m), U-36 (5 m)
BCD output connector BCD-CONNE (57-30360 (DDK) or the equivalent)

WGA-650B-1
With BCD Output Type

英文パネル
Models WGA-650B-1 M448 for power supply 100 to 127 VAC
WGA-650B-1 M449 for power supply 220 to 240 VAC

Specifications

Channels 1
Applicable Transducers Strain-gage transducers (Bridge resistance of 350Ω)
(Up to 4 transducers connectable in parallel)
Measuring Range 0 to 2.5 mV/V (5000 ×10-6 strain)
Bridge Excitation 10 VDC/2 VDC, switchable
No-load Zero Adjustment ±2 mV/V
Analog adjustment and digital adjustment in combination
Calibration By inputting a numeric value
By applying an actual load
Display -1999 to 19999 (Decimal point to be put anywhere.)
Character height 15.24 mm, red LED
Sampling Speed 4 times/s
Nonlinearity Within ±(0.03% FS + 1 digit)
Stability Zero point: ±0.5 μVRTI / ºC
Sensitivity: ±0.0025% / ºC
High/Low Limit Comparator Setting points: 2 (High limit, low limit)
Setting range: -1999 to 19999
Contact output: Relay contact output (1 transfer circuit for each point)
Contact capacity: 250 VAC, 0.5 A (Resistive load)
Analog Filters Cutoff frequencies: 1 Hz
Smoothing Moving averaging times: 2, 4, 8, and 16
Min. scale: 1, 2, 5, 10, 20, 50, and 100
Zero Compensation Digital zero compensation: Possible with external voltage signals
(10 to 30 VDC)
Automatic zero compensation: Indication is made zero when the reading is in the setting range for 2 s or more.
Adding Functions Setting range: -1999 to 19999
Analog (D/A) output Voltage: 0 to 10 V (Load resistance 2 kΩ or more)
Desired scaling possible
Current: 4 to 20 mA (Load resistance 500 Ω or less)
Corresponds to voltage output of 0 to 10 V.
Withstand voltage between the output and case: 500 VAC for one minute
BCD Output Output mode: Isolated open collector output; BCD output logic selectable
Driving capacity: 30 VDC, 20 mA
Output signals: 5-digit BCD value, minus sign, OVER, print command (EOC)
Connector: 57-40360 (DDK) or the equivalent
Check Functions Transducer check, self-check
Input Terminal Board M3 screw board (applicable crimp-style terminals
1.25-3A and 1.25-3B or the equivalent)
Operating Temperature -10 to 50°C
Operating Humidity 20 to 85% (Non-condensing)
Power Supply 100 to 127 VAC or 220 to 240 AC, 20 VA or less
Dimensions 96 W × 96 H ×139 D mm (Excluding protrusions)
Weight Approx. 1.3 kg
Panel-cut Dimensions 92×92 mm
Standard Accessories AC power cable P-23 (For 100 VAC)
Instruction manual
Unit seal
Optional Accessories AC power cable P-28 (For 200 VAC)
Input cables U-33 (50 cm), U-34 (1 m), U-35 (2 m), U-36 (5 m)
BCD output connector BCD-CONNE (57-30360 (DDK) or the equivalent)

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