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  • Usage Areas: Meteorology, Agricultural Measurements
  • Compatible with Data Logging Units
  • Automatic refilling of the open surface evaporation pond with 100-liter water tanks. There is a tank float in the 100-liter water tank for measuring the water level. The amount of water remaining in the tank is provided as a variable from SDI12 and RS485 outputs. The system will issue a warning from its digital outputs when the water level in the tank falls below 25%.
  • With the PT100 temperature sensor, it is possible to access daily minimum, maximum, and instantaneous water temperature information.
  • Daily evaporation amount and daily 10-minute evaporation data are provided from digital outputs.
  • The sensor performs evaporation measurements based on a surface area of 1.144 m². However, this measurement can be changed via SDI12 or RS485 commands if desired.
  • The distance between the sensor and the boiler is 150 cm, preventing the shadow of the water tank from falling on the boiler.
  • The platform on which the sensor and the boiler will be placed is made of single-piece impregnated wood. The bottom of the boiler is manufactured with intervals for adequate air circulation.
  • As the sensor works with water, it issues a warning when the air temperature drops below zero to avoid unwanted results due to expansion.
  • In cases of excessive rainfall and overflow, the amount of overflow water is measured with a flowmeter and this value is included in the measurement as a separate variable.
  • A hole at the bottom of the evaporation boiler allows for draining the water inside during cleaning by attaching a valve or valve.

Technical Specifications

Operating Principle Hall Effect
Measurement Range 0-25.4cm
Resolution 0.02 mm
Accuracy ±0.2 mm
Output Digital RS485 and SDI12 (version 1.4)
Temperature Measurement PT100 RTD class AA F0.1 IEC 60751:2022
Temperature Measurement Range -5°C - +60°C
Temperature Sensor Resolution 0.1 °C
Temperature Sensor Accuracy ±0.2 °C
Pool Surface Area 1.144 m²
Operating Temperature -40°C - +60°C
Operating Voltage 12…15V DC
Operating Current 20 mA @12V DC, 25°C
Maximum Supply Voltage 15 V DC
Protection Class IP67
Data Output Evaporation amount (mm), minimum temperature (°C), maximum temperature (°C), instantaneous temperature (°C), water amount in tank (%), overflow water amount by flowmeter (mm)