... conversion it, thus we can know the corresponding measured distance. This product is non-contact measurement, high precision, strong anti-interference ... : stroke 0.03%4.Parameter set: 3 touch buttons5. Sensor material:ABS /PVC6. Output signal: 4~20mA 2-wire, ... Pressure range: ±0.1MP12.Electronic unit shell material:Die casting aluminum,Plastic-sprayed surface13.Stroke : Liquid level:4m,6m,8m,12m, ...