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Temperature Q&A with JR: We are seeing false readings in our outdoor temperature measurement application due to environmental exposure

Temperature Q&A with JR: We are seeing false readings in our outdoor temperature measurement application due to environmental exposure

Q: We have several outdoor temperature applications where we measure the temperatures of pipes running alongside cooling towers. These sensors are in several different locations and zip-tied to the outer surface of the cooling pipes. Our problem has been that exposure to rain, sun and heavy snow causes signals to drop off or spike. We believe moisture is getting into the wire jacket and the environmental exposure is causing false readings. The sensors we use have a PVC jacket over the lead wires and it shows cracking over time. We need to replace the sensors and would like a 4-20mA output signal to go from our junction box out to the field instead of running the sensor lead wires all the way back to our monitoring system. What type of solution do you have for this?

Published: May 25, 2016

EHELP: Using the TRY or RBX to Get Temperature Measurements of Generator Windings

EHELP: Using the TRY or RBX to Get Temperature Measurements of Generator Windings
Q: We have been using your SPA series temperature transmitters in our hydroelectric power plants with excellent results. These devices have high protection against electromagnetic interference. We would like to purchase temperature transmitters for head mounting and rail mounting that have the same high level of isolation and protection against electromagnetic interference. The sensors are Cu10 three wires and they give the temperature of generator windings in the hydroelectric power plant.
Published: February 8, 2016
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