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TRWS_E rain gauge

TRWS_E rain gauge

Total rain weighing sensor, self - emptying  bucket

The world´s most innovative rain gauge !

Featuring an innovative mechanical and electronic design, the TRWS is an exceptional instrument for measuring all types of precipitation across a wide temperature range, even under extreme wind and snow conditions. Known for its exceptional sensitivity and precision, the TRWS rain gauge combines robust mechanical construction with sophisticated firmware to ensure optimal accuracy and reliability. It is available with orifice size of 200, 314 and 400 cm².

Key features

  • Maintenance-free | Unlimited rain intensity capacity | No power needed for emptying
  • Emptying time of less than 1 second
  • Elimination of wind vibration, particles, evaporation, temperature fluctuation
  • Output signals: contact, RS-485, SDI-12, ModBus
  • Ultra low power consumption
  • Evaluation and accuracy check in situ
  • Local and remote diagnostics
  • Autodiagnostic and self check
  • Orifice heating
  • 2x M12 Connector + 2x Cable 3 or 10 m (8-pin for data, 4-pin for heating)

Optionally

  • Air temperature measurement
  • Rain detector
  • Wind speed estimation
  • Meets all the WMO recomendations

Aplications

  • Hydrology
  • Meteorology
  • Environment
  • Agriculture

Specification

TYPE TRWS_E.200 TRWS_E.314 TRWS_E.400
Orifice area 200 cm2 314 cm2 400 cm2
Range of precipitation Unlimited
Maximum rain intensity 120 mm / min.
Rain duration sec.
Accuracy of intesity 0.025 mm / min.
Absolute accuracy ± 0.1 %
Resolution 0.001 mm
Measuring element Aluminium alloy strain-gauge bridge IP 65
Operating temperature -10 ÷ 70 °C
Operating humidity 0 ÷ 100 %
Protection rating IP 65
Dimensions Ø 255 × 350 / 390 / 410 mm
Weight 7.5 kg

 

ELECTRICAL & INTERFACE
Power supply 8-28 VDC / 7 mA average
Heating supply 12 W / 12V,  48 W / 24 V
Output contact ( 1 / 0.1 / 0.01mm ) Umax. 30 V,  Imax. 300 mA
Serial output RS-485 / SDI-12 / ModBus
MPS AiO Application Bluetooth

 

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