Data logger
Optical
Temperature
Rain

ONSET

RG3-M

HOBO Rain Gauge (Metric) Data Logger

8 050 SEK

A battery powered rain gauge using the HOBO Pendant Event Data Logger integrated into a "Tipping-bucket" rain gauge

The RG3-M automatically measures up to 3200mm of rain, which can be used to determine rainfall amount , timing and duration

Also measures temperature and is often used with optional solar radiation shield (RS1 Solar Radiation Shield" or M-RSA)

Product description

Questions?
Feel free to call or e-mail
ebbe@caplite.se
+46 735 95 71 91

Features
  • "Tipping-bucket" rain gauge
  • Time stamp for each "tip" - Detailed enough to determine rainfall amount and period
  • Reliable and well proven
  • Compatible with HOBOware for graphing and analysis
  • Also works for temperature measurement together with sun protection
Specifications

Forafull product specification, see: Documentation

SENSOR
Maximum rainfall intensity: 12.7 cm per hour

Calibration accuracy: ±1.0% up to 20 mm/hour

Resolution: 0.2 mm

Calibration:
Annual calibration is required; can be field calibrated or sent back to the factory for recalibration

Operating temperature range: 0° to +50°C

Environmental classification: Weather resistant
Housing: 15.24 cm, aluminum
Tip bucket: Stainless steel shaft with brass bearings
Dimensions: 25.72 x 25.24 cm, 15.39 cm opening, 1.2 kg

LOGGER
Timestamp resolution: 1.0 second
Time accuracy: ± 1 minute per month at 25°C (77°F)
Operating range: -20° to 70°C

Environmental classification (for loggers other than rain gauges):
Tested to NEMA 6 and IP67; suitable for outdoor use
NIST Traceable Certification:
Available for temperature at additional cost; temperature range -20° to 70°C

Battery: CR-2032 3V lithium battery; 1 year of typical use

Memory: 64K bytes – 16K to 23K "tips" when only rain is recorded; 25K to 30K data points when rain and temperature are recorded

Material: Polypropylene casing; stainless steel screws; Buna-N o-ring; PVC cable insulation

Temperature measurement
Measuring range: -20° to 70°C

Accuracy: ± 0.47°C at 25°C
Solar protection is required for accurate temperature measurement in direct sunlight

Resolution: 0.10°C at 25°C

Operation: Less than 0.1°C/year

Response time: Air speed of 1 m/s: 10 minutes, typical to 90%

What's included
  • RG3-M