Yokogawa DO202 2-Wire Dissolved Oxygen Analyzer - Manual (Page 73)

IM 12J05C01-01E
2-8 Appendix
4/4
QIS 12J05C01-21E
Figure 1 Testing Circuit and Test Equipment
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DO202S
SUPPLY TEMP
GALV SENS POL SENS + - + SH
SW1
24 V DC
+
-
-
DC
Ammeter
+
300 :
DC Source
Decade
Resistance
Box
- +
DC
Generator 1
- +
DC
Generator 2