2024-03-29 10:35:13
HD2016 – Weighing Rain Gauge | MeteoXperts Solutions
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HD2016 – Weighing Rain Gauge

Make: Delta Ohm                                      Model: HD2016
✅ The sensor is a load cell located at the base of the rainfall collecting reservoir.
✅ Measurand : Precipitation.
✅ Sensor Type : Tipping bucket rain gauge.
✅ Signal Output : RS485 with Modbus-RTU or ASCII proprietary protocol SDI-12.
✅ Supplied With : Measuring circuit (AWG 19), Heater, M12 connector for the connection, Factory test/ Calibration Certificates.
                

HD2016 – Weighing Rain Gauge:

HD2016 is a rain gauge that detects the weight of the rainfall collected by a 400-cm2 inlet. The sensor is a load cell located at the base of the rainfall collection reservoir. The signal from the load cell is processed by the internal electronic board of the rain gauge in order to output information on the rainfall.
Many acquisition systems can be connected to the rain gauge thanks to the multiplicity of outputs available:

  • RS485 with MODBUS-RTU or proprietary ASCII protocol output
  • SDI-12 output
  • Voltage-free pulse contact output

Delta OHM offers a wide range of data logger systems for gathering the data collected by the rain gauge. HD2016 is able to provide the total rainfall, the partial rainfall (from the last reset command or from the last reading command), and the average rainfall rate in the last minute and in the last hour. The measured rainfall is regularly saved into a non-volatile memory, which retains the information even in the event of a power failure.

The automatic discharge of the rainfall collected allows for the use of a compact and lightweight structure for the installation of the rain gauge. so as to ensure accurate measurement even in low-temperature climatic conditions.

If the discharge of the water collected takes place during a rainfall, a retention valve, located at the top of rain gauge, temporarily holds the current rainfall, so to avoid losing the amount of rainfall that falls while discharging.
The rain gauge is equipped with sophisticated features that allow reducing the effects of wind, ensuring a better accuracy and stability of the measurement. An NTC temperature sensor allows keeping under control the internal temperature of the instrument.
The corrosion resistant materials used and the absence of moving parts guarantee a reduced maintenance and a long operating life. The rainfall collecting parts are treated with a nonadherent product for a better water flow.
The rain gauge is factory calibrated and ready for use. A self-diagnostic system periodically checks the correct operation of the instrument and reports any anomalies.
The rain gauge requires 10…15 Vdc power supply.

Application and features of HD2016 – Weighing Rain Gauge:

Application

Features

✅ Meteorology
✅ Early warning systems
✅ Agriculture
✅ Agrometeorology
✅ Hydrology
✅ Reducing the effects of wind
✅ Ensuring a better accuracy and
✅ Stability of the measurement.
✅ An NTC temperature sensor allows keeping under control the internal temperature of the instrument.
Make

Delta Ohm

Model

HD2016

Outputs

Contact output: Isolated NO (Normally Open) contact (RON ≈ 1 kΩ, TON ≈ 60 ms)
Digital outputs: RS485 with Modbus-RTU or ASCII proprietary protocol
SDI-12

Resolution

Rainfall: 0.001 mm
Weight: 1 mg
Rate: 0.001 mm/h or 0.001 mm/min
Temperature: 0.1 °C

Power supply

Measuring circuit: 10…15 Vdc

Power Consumption

Measuring circuit: ≈ 20 mA (1.5 A while discharging, typically for less than 1 minute with 300 cc and maximum 5 minutes with full reservoir)

Accuracy

Rainfall: ± 0.2 mm (wind speed < 30 m/s)
Temperature: ± 1 °C

Operating Environment

0…+70 °C without heating

Collector Area

400 cm2

Precipitation Intensity

Maximum rainfall rate: 1000 mm/h

Protection Level

IP 64

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