Aparat pentru cantarirea / masurarea precipitatiilor atmosferice
Temperatura de operare -20 °C la +60 °C.
Model DeltaOhm HD2016 si HD2016R

Dispozitive automate de cantarire continua si masurarea caderilor de precipitatii

Automatic Weighing rain gauges


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Automatic Weighing Rain Gauge

Model HD2016 HD2016R
Descriere Dispozitiv de cantarire continua si masurarea caderilor de precipitatii; suprafata 400 cm2, temperatura de operare +4 °C la +60 °C. Dispozitiv de cantarire continua si masurarea caderilor de precipitatii; suprafata 400 cm2, temperatura de operare -20 °C la +60 °C.
Alimentare Circuit de masurare: 10…15 Vdc Circuit de masurare: 10…15 Vdc
Incalzitor: 12 Vdc 10%
Consum Circuit de masurare: ~ 20 mA (~ 1.5 A in timpul descarcarii, in mai putin de 1 min. cu 300 cc si max. 5 min. cand rezervorul este plin) Circuit de masurare: ~ 20 mA (~ 1.5 A in timpul descarcarii, in mai putin de 1 min. cu 300 cc si max. 5 min. cand rezervorul este plin)
Incalzitor: 90 W
Iesire Contact cu izolatie tip NO (deschidere normala / Normally Open) contact (RON ≈ 1 k, TON ≈ 60 ms)
Iesiri digitale / interfata RS485 cu Modbus-RTU sau ASCII protocol SDI-12
Rezolutie Precipitatii: 0.001 mm
greutate: 1 mg
Rate: 0.001 mm/ora sau 0.001 mm/min
Temperatura: 0.1 °C
Acuratete Precipitatii: ± 0.2 mm (viteza vantului < 30 m/s).
Rata maxima de precipitatii: 1000 mm/h.
Temperatura: ± 1 °C
Temperatura de operare +4…+60 °C fara incalzire +4…+60 °C cu incalzire
-20…+60 °C cu incalzire
Dispozitiv de incazire x Temperatura interventie +4 °C
Capacitate Descărcarea automată rezervorul de 3000 cc permite masurare / cantarie continua precipitatii
Clasa protectie IP 64 IP 64
Area de colectare 400 cm2 400 cm2
Sectiuni minimi cabluri de conectare Circuit de masurare: 0.7 mm2 (AWG 19) Circuit de masurare: 0.7 mm2 (AWG 19)
Incalzitor: 2.5 mm2 (AWG 13)

 

Main Features
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 collecting reservoir.
The signal of the load cell is processed by the internal electronic board of the rain gauge in order to output the information on the rainfall.
Various outputs are available:
- RS485 with Modbus-RTU or proprietary ASCII protocol
- SDI-12
- Voltage-free pulse contact output
The rain gauge is able to provide the total rainfall, the partial rainfall (from the last reset command or from the last reading command), 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 case of power failure.
The automatic discharge of the rainfall collected allows using a compact and lightweight structure for the installation of the rain gauge.
So as to ensure accurate measurement even with low temperature climatic conditions, a version with heating which is automatically activated below +4 °C has been developed (HD2016R) so that snow deposits and ice formations are prevented.
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 non-adherent product for a better water flow.
The rain gauge is factory calibrated in three points. A self-diagnostic system periodically checks the correct operation of the instrument and reports any anomalies.
The multiplicity of outputs makes the rain gauge suitable to be connected to different ac-acquisition systems. For example:
• The pulse contact output can be connected to the HD2013-DB data logger, to the wireless data loggers of the HD35EDW… series provided with input for contact rain gauge (for example HD35EDWH, HD35EDW-MB, HD35EDWPTC, HD35EDLM…, etc.) or to a generic pulse counter.
• The RS485 Modbus-RTU output can be connected to the HD32MT.1 and HD32MT.3 data loggers for weather station, or to the HD35EDW-MB wireless data logger or to any data logger provided with RS485 Modbus-RTU input.
• The SDI-12 output can be connected to the HD32MT.3 data logger for weather station or to any data logger provided with SDI-12 input.
The rain gauge requires 10…15 Vdc power supply.
No need for math algorithms to compensate for the weight due to leaves, branches or other solid objects.
*When submitting your order, upon request a bird dissuader, made of eight 3 mm diameter spikes, 60 mm in height, can be installed on the rain gauge.

Technical data

Automatic Weighing Rain Gauge

Model HD2016 HD2016R
Description Weighing rain gauge, area 400 cm2, Operating temperature from +4 °C to +60 °C. Weighing rain gauge, area 400 cm2, with heater. Operating temperature from -20 °C to +60 °C.
Power supply Measuring circuit: 10…15 Vdc Measuring circuit: 10…15 Vdc
Heater: 12 Vdc 10%
Consumption Measuring circuit: ~ 20 mA (~ 1.5 A while discharging, typ. for less than 1 min. with 300 cc and max. 5 min. with full reservoir) Measuring circuit: ~ 20 mA (~ 1.5 A while discharging, typ. for less than 1 min. with 300 cc and max. 5 min. with full reservoir)
Heater: 90 W
Contact output Isolated NO (Normally Open) contact (RON ≈ 1 k, 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
Accuracy Rainfall: ± 0.2 mm (wind speed < 30 m/s).
Maximum rainfall rate: 1000 mm/h.
Temperature: ± 1 °C
Operating temperature +4…+60 °C without heating +4…+60 °C without heating
-20…+60 °C with heating
Heater x intervention temperature +4 °C
Capacity The automatic discharge of the 3000 cc reservoir allows seamless rainfall measurement
Protection class IP 64 IP 64
Collector area 400 cm2 400 cm2
Minimum section of the wires of the connecting cable Measuring circuit: 0.7 mm2 (AWG 19) Measuring circuit: 0.7 mm2 (AWG 19)
Heater: 2.5 mm2 (AWG 13)

INSTALLATION
The rain gauge can be installed on the ground or raised 500 mm above the ground.
Other sizes above the ground are available on request.
For ground installation, three adjustable support feet, so that the instrument can be levelled correctly, and holes for fixing to the floor have been provided.

Accesorii Optionale / Accesories & Optionals

Prod. Code Description
CP 18.5 12-pole cable. Length 5 m. 8-pole M12 connector on one end, open wires on the other side.
CP 18.10 12-pole cable. Length 10 m. 8-pole M12 connector on one end, open wires on the other side.
HD2013.18 Bird dissuader.
HD2016.33K Kit of accessories for the installation of the rain gauge raised 500 mm above ground.
HD2016.33K.1 Kit of accessories for the installation of the rain gauge raised 1 m above ground.
HD2013.78 Flat base for fastening the support of the rain gauge raised above ground.
 

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