Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer - Manual (Page 95)

IM 12D08B02-01E
Appendix 3-7
3/3
QIS 12D08B02-21E
Table 3
Message display Decade box 2 resistance Data display
RES.1 10 : 10.00 ±0.05 :
RES.2 100 : 100.0 ±0.5 :
RES.3 1 k: 1.000 ±0.005 k:
RES.4 10 k: 10.00 ±0.05 k:
RES.5 100 k: 100.0 ±0.5 k:
Figure 1 Testing Circuit and Test Equipment
SC202S
SUPPLY SENSOR
+ - G 11 12 14 13 15 16
24V DC
+
100 :
DC source
+
-
-
DC
Decade
Box 1
Note 1: Cable connected to sensor input should be conductivity detector cable of
length 2.1 ±0.1 m. Connect pins 13 and 14, also 15 and 16, to Decade box 2
terminals. Use shielded cable, and connect shield to pin 14.
Note 1
Decade
Box 2
Ground
Milli-
ammeter