The piezoelectric rain sensor measures the weight of a single raindrop and calculates rainfall. The raindrop receives the effect of raindrop weight and air resistance during the landing process.When reaching the ground, the speed is a constant speed. According to P=mv, the impact weight can be obtained by measuring the impact, and then the continuous rainfall amount can be obtained.

Piezoelectric rain sensors have no mechanical parts,therefore more robust,sensitive and reliable than other rain gauges.

FEATURE:

• No moving parts
• Compact and easy installation
• Strong anti-interference
• High accuracy
• maintenance-free

  Model	ZM Sensor ZRG-10
  Measurement parameters	Rain
  Type	Piezoelectric
  Power supply	12...24VDC
  Operating temperature	-40 … +85 °C
  Relative humidity	0 … 100 %RH
  Barometric pressure	10 … 1100hPa
  Observation range	0...500mm
  Accuracy	± 4 %
  Output resolution	0.01mm
  Power consumption	10mA at 12VDC
  Digital outputs	RS232/RS485
  Communication protocols	ASCII,Hexadecimal, Modbus