The WGA-650B is an Instrumentation Amplifier which can display the physical quantity of an input sensor. It is compact and moderate price.
Channels 1
Applicable Transducers Strain-gage transducers (Bridge resistance of 350?)
(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 ?VRTI / ?C
Sensitivity: ?0.0025% / ?C
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 k? or more)
Desired scaling possible
Current: 4 to 20 mA (Load resistance 500 ? 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%RH (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 (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)
N/A
