Ratiometric level sensors are ideal for embedded , IoT , Legacy and low power systems. We have implemented and optimised this type of level sensor and offer OSL and other manufacturers
OSL Ratiometric Level Sensor Details

- Power Supply 3V-5V
- Made in the UK
- Level Range 0-30mWG
- Mini and standard sized housings
- Arduino compatible pressure sensor
- Embedded systems compatible
- USB adaptor
- Design and firmware support
OSL Ratiometric level sensors come with Engineering support
Don’t forget to ask about bulk pricing
- Low Power
- IoT Compatible
- Embedded compatible – PIC, STM ,Raspberry Pi ,Arduino
Level | Output at 5V | Output at 3.3V | Percentage of power Supply |
0% | 0.5V | 0.33V | 10% |
50% | 2.5V | 1.65V | 50% |
100% | 4.5V | 2.97V | 90% |
For details on how the Ratiometric output works view our ratiometric pressure sensor article