Gems Sensors ELS-1150XP-227201 Electro-Optic Liquid Level Detector

Designed for precise point-level monitoring in heavy-duty process industries, the GEMS ELS-1150XP-227201 functions as a reliable electro-optic liquid level detector that relies strictly on light transmission properties rather than physical moving switch mechanisms. Electrical integration requires a direct current supply between 5 and 28 VDC, drawing a maximum steady-state current of 100mA during normal operation, which accommodates standard PLC interface modules, microcontroller logic inputs, and other compatible control loads throughout complex facility automation networks. The sensor head detects the transition between air and liquid phases by measuring the distinct shift in light refraction at the optical window, ensuring stable detection regardless of varying viscosity or surface tension fluids that often interfere with mechanical probe reliability in dynamic pipelines. This semiconductor-based approach eliminates mechanical fatigue issues common in float switches, offering a durable maintenance-free solution for applications such as chemical storage tank monitoring, fuel system verification, hydraulic oil accumulation checks, building water management systems, and HVAC condensate drainage lines.