Siemens WSM525 Series Heat/Cooling Energy Meters Flow Sensor

The Siemens Energy Meter is designed for cooling circuits, featuring a non-wearing, ultrasonic measuring principle that requires no moving parts. Approved according to EN 1434 and MID accuracy class 2, it ensures reliable performance. The compact meter includes a flow measuring section, two temperature sensors, and an electronic unit powered by long-life batteries lasting up to 11 years. It can be mounted in any position (horizontal or vertical), with the mounting location changeable once, preset for the return. The meter accurately acquires flow data, making it a durable and efficient solution for energy measurement.

Measuring range of flow 1:100 conforming to EN 1434
Optical interface as per EN 62056-21
M-bus wired or M-bus RF communication
Batteries can be replaced in the field
Self diagnostics
LoRa transmits data over long distances of up to 10 km within a LoRa network