Evaporation Monitoring System

The Evaporation Monitoring System measures how much water evaporates from a Class A evaporation pan by measuring the water level in an adjoining stillwell. The stillwell reduces fluctuations in the pan’s water level caused by wind.
Pan Type US Class A compatible
Range 30mm to 250mm. Pan empty to full
Resolution 0.2mm of evaporation or rainfall
Accuracy +/- 0.4mm
Level Reset Programmable. Default reset to 200mm (+/- 1mm) at a preset time each day. Also resets 10mm below the overflow level.
Reset rate Pumps 50mm out in 3 minutes. Fills 3mm per minute with 10kpa (1m) head. Rate of refill increases as head increases