5123106010 Schneider STP100-150 Submerged Temperature Sensor 150mm 1.8k Nickel 3-Wire Pipe Probe 2m Lead

The Schneider Electric 5123106010 STP100-150 Submerged Temperature Sensor is a rugged stainless-steel immersion probe designed for monitoring thermal conditions in pipes, tanks, and hydronic distribution loops. This slender probe inserts through welded pockets or directly into media, converting heat into resistance values for controller interpretation in applications including chiller staging, boiler sequencing, and domestic hot-water regulation.

Featuring a potted, moisture-resistant body and sturdy cable gland, the sensor maintains dry electrical connections even in condensation-prone plant rooms and during wash-down routines. As a purely passive device requiring no auxiliary power, it simplifies wiring in congested mechanical spaces and eliminates common retrofit failure points. Each unit undergoes factory calibration against traceable references, supporting BMS commissioning reports and energy-audit documentation.

With its 150 mm stem length, this model is particularly suited for insulated heavy-wall pipework where the probe must penetrate thick lagging before reaching the fluid. It is commonly specified for district-heating mains and large plant-room headers, providing accurate supply and return differential measurements in demanding industrial applications.