ZF evaporation sensor is an instrument used to observe the variation law of water surface evaporation at different times. It can be used with evaporation bucket to monitor water surface evaporation. This sensor is a new generation of high-precision sensor, which has the characteristics of high accuracy and high resolution; Measuring range: 0 ~ 1000mm accuracy: ± 0.5% (0 ~ + 50 ℃) resolution: 0.1mm power supply mode: DC12V output form: 0 ~ 5V load resistance: voltage type: RL ≥ 1K current type: RL ≤ 600 Ω working temperature: - 20 ℃ ~ 85 ℃ relative humidity: 100%