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Part Numbers
RG3
•RG3-M
HOBO Rain Gauge Data Logger
US or Metric (includes data logger)
$555.00 USD
A battery-powered rainfall data collection and recording system that includes a HOBO Pendant Event data logger integrated into a tipping-bucket rain gauge.
Important Information
Requires HOBOware software (USB interface cable included w/CD purchase) and a communications device. See compatible items below.
Compatible with
Overview
A battery-powered rainfall data collection and recording system that includes a HOBO Pendant Event data logger integrated into a tipping-bucket rain gauge. Automatically records up to 3200 mm (160 inches) of rainfall data at rates up to 12.7 cm (5 in) per hour, which can be used to determine rainfall rates, times, and duration. Also records temperature when used with an optional solar radiation shield (RS1 Solar Radiation Shield or M-RSA). A base station or shuttle is required.
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Features
- High quality tipping-bucket rain gauge includes a HOBO Pendant Event data logger. Base station or shuttle is required
- Time and date stamp is stored for each tip - provides detail needed to determine rainfall rates and duration
- Reliable, field-proven rain gauge
- Compatible with HOBOware and HOBOware Pro software for logger setup, graphing, and analysis
- Also records temperature when used with an optional solar radiation shield
Specifications
Rain Gauge
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12.7 cm (5 in.) per hour
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±1.0%up to 1 in./hour for the RG3 or 20 mm/hour for the RG3-M
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0.01 in. (RG3) or 0.2 mm (RG3-M)
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Requires annual calibration: can be field calibrated or returned to the factory for re-calibration
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0° to +50°C+32° to +122°F
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-20° to +70°C-4° to +158°F
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Weatherproof
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15.24cm (6-in.) aluminum bucket
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Stainless steel shaft with brass bearings
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25.72 cm height x 15.24 cm diameter (10.125 x 6 in.); 15.39 cm (6.06 in.) receiving orifice
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1.2 Kg2.5 lbs
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RG3 (0.01 in. per tip), RG3-M (0.2 mm per tip)
Maximum rainfall rate
Calibration accuracy
Resolution
Calibration
Operating temperature range
Storage temperature range
Environmental rating
Housing
Tipping bucket mechanism
Dimensions
Weight
Part numbers
Logger
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1.0 second
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± 1 minute per month at 25°C (77°F), see Plot B on page 10.
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-20° to 70°C-4° to 158°F
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Tested to NEMA 6 and IP67; suitable for deployment outdoors
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Available for temperature only at additional charge; temperature range -20° to 70°C-4° to 158°F
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CR-2032 3V lithium battery; 1 year typical use
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64K bytes - 16K to 23K tips when recording rain only; 25K to 30K data points when recording rain and temperature
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Polypropylene case; stainless steel screws; Buna-N o-ring; PVC cable insulation
Time stamp resolution
Time accuracy
Operating range
Environmental rating (for logger used outside of rain gauge)
NIST traceable certification
Battery
Memory
Materials
Temperature Measurement
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-20° to 70°C-4° to 158°F
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± 0.47°C at 25°C (± 0.85°F at 77°F), A solar radiation shield is required for accurate temperature measurements in sunlight.
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0.10°C at 25°C0.18°F at 77°F
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Less than 0.1°C/year0.2°F/year
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Airflow of 1 m/s (2.2 mph): 10 minutes, typical to 90%
Measurement range
Accuracy
Resolution
Drift
Response time
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Compatible items
Data Offload - Base Stations - Shuttles - Couplers
Compliance Certificates
Accessories
Batteries
Desiccants
Communications
Software
What's in the box
- Tipping-bucket rainfall collector
- HOBO Pendant Event Logger
- Mounting accessories: two hose clamps, three screws
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