Emerson Rosemount 400 Instruction Manual page 20

Troubleshooting
May 2017
4.1.1 Checking the temperature element
Disconnect leads and measure resistance shown. The measured resistance should be close to the
value in the table.
Figure 4-1 Checking the temperature element
4.1.2 Checking the continuity and leakage
Disconnect electrode leads and measure resistance and continuity as shown. Sensor must be dry
when checking resistance between electrode leads.
Figure 4-2 Checking the continuity and leakage
14
Instruction Manual
Temperature Resistance in ohms
(°C)
Pt 100 Pt 1000
0 100.0 1000
10 103.9 1039
20 107.8 1078
30 111.7 1117
40 115.5 1155
50 119.4 1194
LIQ-MAN-400
Troubleshooting