What can cause erratic readings on Orbisphere Thermal Conductivity (TC) sensors?

Document ID

Document ID TE5021

Published Date

Published Date 27/05/2017
Question
What can cause erratic readings on Orbisphere Thermal Conductivity (TC) sensors?
Summary
Troubleshooting erratic readings with Orbisphere TC sensors.
Answer
If customer is using a purge gas cylinder (not house supplied gas system), verify tank pressure is above 500 psi.  Industry standard recommends considering 500 psi to be “empty” due to high side pressure gauge inaccuracies.
 
 

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