
13-8
IM DR232-01E
• DC Current Measurement
Apply the 20mA to channel 3
+–
Input terminal
(CH3)
DC Current Generator
Short circuit between “+” and “–” terminal in channel 2
+–
Input terminal
(CH2)
• Strain measurement
Perform calibrations using 4-gauge method.
Use a 319300 bridge box for the Du500-14’s bridge box.
Wire the strain gauge or the bridge box to the channel 2.
Jumper setting switch
ON
OFF
No.1
No.2
No.3
No.4
No.5
A(+)
B(L)
C(-V)
D(H)
DU500-12/DU500-13
DU500-14
No.1
OFF
No.2
OFF
No.3
OFF
No.4
OFF
No.5
ON
12 3 4
56
78
R4
R2
R3R1
R2
R4
R3
R1
To R1 to R4, connect resistors with the specifications described below.
Calibration Resistors R1, R2&R3 Resistor R4 Accuracy
ZERO 120.000 120.000 ±0.005%, ±0.3ppm/°C
2k SPAN 120.000 119.521 ±0.005%, ±0.3ppm/°C
20k SPAN 120.000 115.294 ±0.005%, ±0.3ppm/°C
200k SPAN 120.000 80.000 ±0.005%, ±0.3ppm/°C
13.5 Calibration
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