There are three ungrounded, 1/8" OD type J thermocouples in a single pipe well operating at ~690 degF. One of them is reading ~15 degF lower than the other two. We're being asked to troubleshoot the coolest thermocouple to see if the temperature deviation is real or not. There is no...
I have several pressure transmitters monitoring very low (trasmitters have -3 to 3 inWC range) differential pressure. One side is tubed to the heater box and the other side is reading atmosphere.
The DP reading gets erratic at times and I can correlate this to high wind speed. The...