Holding Tank Level Sensor - 650 mm - Wema S3H-650
The Wema S3H Holding Tank Level Sensor is a high-precision, screw-in stainless steel sender designed to measure grey and black water tanks with exceptional reliability. Engineered for durability and trusted by leading marine and automotive manufacturers for over four decades.
- On request
Product details
- Brand
- Wema
- Reference
- 126736
- EAN13
- 7025921267366
- MPN
- 126736
Data Sheet
| Category | Mount | Voltage | NMEA2000 | Range | Sensor Length (mm) |
|---|---|---|---|---|---|
| Liquid Level Sensors | Screw-in 1.25" BSP | 12V 24V | No | 240-30 Ohm | 650 |
Description
Description
Holding Tank Level Sensor - Screw-in - Wema S3H
Professional solution for precise holding tank level measurement
Working Range
240-30 Ohm (US Standard)
Operating Temperature
-40°C to +70°C
Power Supply
12 / 24 V
Mounting Thread
BSP R 1¼"
IP Rating
IP65
Material
316 Stainless Steel
Key Features
Efficient Holding Tank Monitoring
A purpose-built sensor for reliable level detection in black & grey water tanks.
- Made from corrosion-resistant 316 stainless steel for marine environments
- Compatible with standard holding tank gauges and monitoring systems
- Easy to install and service-designed for simplicity in challenging waste-tank conditions

Durable Build & Compatibility
Robust construction with standardised mountings for versatile mounting options.
- 1¼″ BSP thread fitting for secure tank mounting
- Protective cage design around float mechanism to resist damage
- Available in various lengths (100 mm, 205 mm, 305 mm, etc.)

Specifications
Wema S3H-650 Holding Tank Level Sensor 650 mm |
|
|
Sensor length |
650 mm |
|
Working range |
240-30 ohm |
|
Operating temperature |
-40°C do 70°C |
|
Voltage |
12 / 24 V |
|
Mounting type |
Screw-in BSP R 1¼" |
|
External diameter of the sensor head |
54 mm |
|
Height above the tank |
21 mm |