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%