Maintenance And Troubleshooting; Maintenance - Campbell CS240 Product Manual

Pt-1000 class a, back-of-module temperature sensors

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9. Maintenance and

troubleshooting

NOTE:

For all factory repairs, customers must get an RMA number. Customers must also properly fill

out a "Declaration of Hazardous Material and Decontamination" form and comply with the

requirements specified in it. Refer to the

information.

The CS240 and CS240DM sensors require minimal maintenance. Periodically check cabling for

proper connections, signs of damage, and possible moisture intrusion.

9.2 Troubleshooting

Symptom: Temperature is NAN, –INF, –9999, –273

Verify wiring of sensor to the data logger; cross-reference data logger program or the

measurement system wiring diagram.

Symptom: Incorrect Temperature

Check the cable for signs of damage and possible moisture intrusion.

Symptom: Unstable Temperature

Make sure the clear shield wire is connected to data logger ground, and the data logger is

properly grounded. For the CS240, try using the 60 or 50 Hz integration options and/or

increasing the settling time.

CS240 and CS240DM PT-1000 Class A, Back-of-Module Temperature

Assistance

page at the back of this manual for more

Sensors 21

Table of Contents

Cs240dm