DeltaOHM HD2016, Руководство по эксплуатации, Страница: 27 / 34

HD2016
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V1.4
10 TECHNICAL CHARACTERISTICS
Power supply
Measuring circuit: 10…15 Vdc
Heater: 12 Vdc ± 10% ( only HD2016R )
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)
Heater: 90 W ( only HD2016R )
Contact output Isolated NO (Normally Open) contact (R
ON
≈ 1 k Ω , T
ON
≈ 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)
Temperature: ± 1 °C
Maximum rainfall rate 1000 mm/h
Operating temperature +4…+60 °C without heating
-20…+60 °C with heating ( only HD2016R )
Heater intervention
temperature
+4 °C ( only HD2016R )
Capacity The automatic discharge of the 3000 cc reservoir allows seamless
rainfall measurement.
Protection degree IP 64
Collector area 400 cm
2
Minimum section of the wires
of the connecting cable
Measuring circuit: 0.7 mm
2
(AWG 19)
Heater: 2.5 mm
2
(AWG 13, only HD2016R )
(*) Very light rainfalls (less than about 10 g, corresponding to approx. 0.2 mm) are not detected because
the water stagnates in the valves and filters, and does not reach the collecting reservoir.