Item Type: Liquid Level Transmitter Material: Junction box-low copper aluminum alloy; liquid level probe-all stainless steel, flange-all stainless steel Model: QDW-30A Measured Medium: Water, oil, etc. (liquid that does not corrode stainless steel) Measuring Range: (Optional) Approx. 0 ~ 1meter / 0 ~ 3.3ft Approx. 0 ~ 2meter / 0 ~ 6.6ft Approx. 0 ~ 3meter / 0 ~ 9.8ft Approx. 0 ~ 4meter / 0 ~ 13.1ft Approx. 0 ~ 5meter / 0 ~ 16.4ft Response Time: 5ms (up to 90% FS) Medium Temperature: -40~60, Ambient Temperature: -40~85 Measurement Accuracy: 0.2%FS Electrical Interface: Connection between tight-wire waterproof nut and five-core air-conducting cable Zero Temperature Drift: 2%FS, Sensitivity Temperature Drift: 2%FS Pressure Type: Gauge pressure, absolute pressure Insulation: 100mQ/250VDC Media Compatibility: Various media compatible with 316L stainless steel Installation Method: 1. Choose a place that is easy to operate and maintain for installation 2. Install as far away as possible from the vibration source 3. Keep away from heat sources as much as possible 4. When installing the input type liquid level transmitter, the metal probe should sink into the bottom of the container