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This usually an indication of a) a faulty Pt100 or analogue signal or b) wrong sensor type or c) sensor signal is out of range or d) incorrect/damaged input connection.

Solution

1. Step 1: Check the jumper setting
   
   VT = transmitter supply for 2 wire analogue signal
2. Step 2: If input type is known (Pt100,...

Thermon polymer insulated heat tracers have an overjacket covering the braid. This overjacket is intended be a chemical corrosion barrier for the braid and also provide additional mechanical strength.

For what chemicals do -OJ and -FOJ overjackets offer protection?

In general for Thermon BSX Self-Regulating Heatng Cables, the polyolefin...

Any heating cable providing a watt output which increases as temperatures fall and decreases as temperatures rise. Self-regulating heating cables use a carbon matrix-heating element with variable resistance.

Self-regulating cables have a conductive polymer-heating element where the resistance exhibits a PTC characteristic, the resistance of the element increases with temperature. Conversely, the cable’s power output decreases with increasing temperature. As the temperature increases...

Series resistance cables are single or multiple metal alloy conductors with a voltage applied at the ends.

The power output is a function of the voltage applied and the overall resistance based on type of metal alloy and circuit length. If the length changes the power output of the cable changes, so these heating cables are not considered “cut-to-length”.