Weighing precipitation sensor

High resolutionPrecipitation eventsRain intensityPrecipitation amountSDI-12 digital outputWeighing tipping bucket
rain[e] · Weighing precipitation sensor


Weighing precipitation sensor


  • Classical meteorology and hydrology
  • Weather services
  • Measuring networks of water suppliers
  • Lysimeter systems
  • Sewage plants
  • Airports
  • Traffic meteorology

The first of a new kind

rain[e] is a new type of weighing precipitation sensor: Highest resolution combined with the most compact design.

The unique self-emptying collection system enables the measurement of every single drop with the high resolution of 0.001 mm/m2. Full functionality all year around without antifreeze fluid makes the rain[e] very environmentally friendly.

rain[e] is easy to lift, transport, install and maintain. The small packing volume and the low weight ensure minimum logistical effort.

The rain[e] series is compatible with OTT and Campbell Scientific data loggers and ideal for setup and expansion of rainfall measurement networks.

  • Amazing resolution and accuracy
  • Checking of sensors with tipping bucket and other weighing systems
  • Compact and robust construction with a very low weight
  • All-metal housing, weatherproof and durable
  • Best connectivity by several interfaces
  • Easy to install and maintain

Also with Modbus or customised protocols realisable!

Professional Line
00.15184.000000 rain[e], unheated • 00.15184.400000 rain[e], heated
Measuring range:
without limitation (0.005... ∞ mm)
Amount of accuracy:
± 0,1 mm or 1 % at < 6 mm/min • ± 2 % at ≥ 6 mm/min
Amount of Resolution:
0.001 mm
Intensity range:
0…20 mm/min resp. 0…1200 mm/h
Intensity of resolution:
0.001 mm/min resp. 0.001 mm/h
• SDI-12 • RS-485 (SDI-12 protocol, ASCII protocol, TALKER protocol)
• Modbus RTU
• 2 Pulse-Outputs for linearised, bounce-free output signal
• Status-Output (configurable, e.g. rain yes/no or heating on/off)
• Analogue output 0/4...20 mA (0...2.5/5 V)
Collection surface:
200 cm2
Environmental conditions:
0...+70 °C (unheated) • -40...70 °C (heated, no icing, no snow blowing)
Supply voltage:
unheated: 9.8...32 VDC
heated: 24 VDC / 2 heating circuits: 80 W (funnel) and 60 W (outlet / tipping bucket)
Power consumption:
max. 45 mA at 24 V power supply and analogue output
typ. 7.5 mA at 24 V power supply and deactivated analog output
typ. 12.5 mA at 12 V
Target temperature (heating):
+2 °C funnel surface temperature
Measuring principle:
weighing with automatic self emptying
mounting mast Ø 60 mm
292 mm x 190 mm (H x D)
Protection class:
approx. 2.5 kg
WMO-No. 8 • VDI 3786 Bl. 7 • EN 61000-2, -4 • EN 61000-4-2, -3, -4, -5, -6, -11 • NAMUR NE-21
Accessories (order separately):
00.15091.500XXX Windshield according to Tretyakov for measuring height 1 m, 1.5 m and 2 m
32.15180.023020 bird defense ring
32.15184.060000 sensor cable, 10 m, 8 pole, M12 plug
32.15184.061000 Power supply cable for sensor heating, 1 m
Tretjakov-style Wind Shield · for precipitation sensorsTretjakov-style Wind Shield for precipitation sensors

A Tretjakov-style wind shield surrounds a precipitation sensor to block approaching winds. The funnel-shaped design ensures excess wind is directed toward the ground, reducing the speed of winds in the direct vicinity of the sensor.

The wind shield ring is equipped with vertical stainless steel lamellas arranged in a circle with the bottoms coming together in a slightly conical fashion. The lamellas are connected to each other with a chain, and can be moved horizontally to create directional protection.

 The Tretjakov wind shield consists of a frame, metal segments and accessories for quick and easy installation.

  • Different measuring heights for all common precipitation sensors
  • Durable and solid due to corrosion-resistant V4A stainless steel
  • Straightforward and quick installation
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