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HOBO Rain Gauge Data Logger (US Version)

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SKU :RG3

Overview

Record up to 160 in. of rainfall at rates up to 12.7 cm (5 in.) per hour. The Data Logging Rain Gauge system is battery powered and includes a HOBO® Pendant Event data logger with a tipping-bucket rain gauge. Easily collect rainfall, time, and duration data, as well as temperature when used with an optional solar radiation shield (RS1 Solar Radiation Shield, or M-RSA). Base station or shuttle is required.

Manufactured by: Onset
Model: HOBO Rain Gauge Data Logger (US Version)

Services offered for this product

Applications

Rainfall

Specification

Rain Gauge
Maximum rainfall rate	12.7 cm (5 in.) per hour
Calibration accuracy	±1.0% (up to 1 in./hour for the RG3 or 20 mm/hour for the RG3-M)
Resolution	0.01 in. (RG3) or 0.2 mm (RG3-M)
Calibration	Requires annual calibration: can be field calibrated or returned to the factory for re-calibration
Operating temperature range	0° to +50°C (+32° to +122°F)
Storage temperature range	-20° to +70°C (-4° to +158°F)
Environmental rating	Weatherproof
Housing	15.24cm (6-in.) aluminum bucket
Tipping bucket mechanism	Stainless steel shaft with brass bearings
Dimensions	25.72 cm height x 15.24 cm diameter (10.125 x 6 in.); 15.39 cm (6.06 in.) receiving orifice
Weight	1.2 Kg (2.5 lbs)
Part numbers	RG3 (0.01 in. per tip), RG3-M (0.2 mm per tip)
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
Logger
Time stamp resolution	1.0 second
Time accuracy	± 1 minute per month at 25°C (77°F), see Plot B on page 10.
Operating range	-20° to 70°C (-4° to 158°F)
Environmental rating (for logger used outside of rain gauge)	Tested to NEMA 6 and IP67; suitable for deployment outdoors
NIST traceable certification	Available for temperature only at additional charge; temperature range -20° to 70°C (-4° to 158°F)
Battery	CR-2032 3V lithium battery; 1 year typical use
Memory	64K bytes – 16K to 23K tips when recording rain only; 25K to 30K data points when recording rain and temperature
Materials	Polypropylene case; stainless steel screws; Buna-N o-ring; PVC cable insulation
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
Temperature Measurement
Measurement range	-20° to 70°C (-4° to 158°F)
Accuracy	± 0.47°C at 25°C (± 0.85°F at 77°F), A solar radiation shield is required for accurate temperature measurements in sunlight.
Resolution	0.10°C at 25°C (0.18°F at 77°F)
Drift	Less than 0.1°C/year (0.2°F/year)
Response time	Airflow of 1 m/s (2.2 mph): 10 minutes, typical to 90%