Data Logger

Rain Gauge Data Logger

A battery-powered rainfall data collection and recording system that includes a HOBO Pendant Event data logger integrated into a tipping-bucket rain gauge.

HOBO Rain Gauge Data Logger

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.

Mounting externally to measure rainfall and temperature.

HOBO Rain Gauge Data Logger

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

HOBO Rain Gauge Data Logger

Specifications

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)

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

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%

Rain Gauge Data Logger

For more informationcontact us.

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Rain Gauge Data Logger
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Rain Gauge Data Logger
Data Logger