
This sensor provides reliable level measurement in challenging wastewater applications. Its flush ceramic diaphragm and robust 3/4 inch BSP male thread fitting are designed to resist clogging and ensure long-term performance in dirty water, sludge, and sewage tanks. This makes it ideal for use in a variety of wastewater treatment facilities, from municipal plants to small industrial settings.
The LMK331 pressure sensor is designed for level measurement in challenging wastewater applications. Its flush ceramic diaphragm and robust construction make it ideal for use in dirty water, sludge, and sewage tanks, where it can withstand clogging and maintain reliable performance with minimal maintenance.
The LMK331‘s ceramic diaphragm is designed to be flush with the tank wall, preventing buildup and reducing the risk of clogging. This makes it well-suited for use in wastewater applications, where the sensor is constantly exposed to solids and other debris. The sensor’s 3/4 inch BSP male thread fitting allows for easy installation and removal, making it a versatile option for a variety of tank sizes and configurations.
With its high accuracy and long-term stability, the LMK331 is a reliable and cost-effective solution for wastewater level measurement. Whether you’re monitoring tank levels in a municipal wastewater treatment plant or a small industrial facility, the LMK331 can help you optimize your operations and reduce maintenance costs.

LMK331 Waste Water Tank Level Pressure Sensor
- Pressure Range: 0.4
- Units: bar
- Reference Type: Gauge / Vented (atm to +P)
- Output Signal: 4-20mA (2 wire)
- Accuracy: 0.5% full scale at room temperature
- Electrical Connection: DIN43650A plug IP65
- Process Connection: G3/4 male DIN3852 with flush diaphragm
- Process Connector Material: Stainless steel 316L
- Diaphragm Material: Ceramics Al2O3 96%
- Media Exposed Seals: FKM