Technical Information
|
Rain Guage
|
| Maximum Rainfall Rate |
12.7 cm (5 in.) per hour |
| Calibration Accuracy |
±1.0% (up to 2 cm per hour for the RG3-M or up to 1 in. per hour for the RG3) |
| Resolution |
0.2 mm (RG3-M) or 0.01 in. (RG3) |
| Calibration |
Requires annual field calibration, see Field Calibration section |
| 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 |
15.24 cm (6 in.) aluminum collector and base |
| 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) |
| CE |
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 User Manual |
| 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 when recording events only; 25K to 30K data points when recording events and temperature; see Data
Storage. |
| Materials |
Polypropylene case; stainless steel screws; Buna-N O-ring; PVC cable insulation |
| CE |
The CE Marking identifies this product as complying with all
relevant directives in the European Union (EU). |
Temperature Measurement (see Using the Logger for Temperature Measurement section)
|
| Measurement Range |
-20° to 70°C (-4° to 158°F) |
| Accuracy |
±0.54°C from 0° to 50°C (± 0.97°F from 32° to 122°F), see Plot A in User Manual.
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), see Plot A in User Manual |
| 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% |
