350 Siphon Tank

370 Series Precipitation Gauges

370-380 Series all-metal precipitation gauges measure rain and/or snow in all environments using a tipping bucket mechanism. The economical tipping bucket design allows accurate, repeatable measurements, requiring no regular maintenance. Each model in the 370-380 Series is optimized to meet particular site and sampling requirements and exceeds EPA specifications.


370-380 Series
Operating Temperature -58°F to 122°F (-50°C to +50°C)
Accuracy ±0.5% at 0.5 in/hr, ±1% at 1-3 in/hr
Switch Reed switch rated at 10 mA, 28 VDC (maximum)
Physical Characteristics
Height 8 inch, 18 in (46 cm)
12 inch, 20.5 in (52 cm)
Weight (not including cabling) 8 inch Precipitation, 6 lbs (2.7 kg)
12 inch Precipitation, 7.5 lbs (3.4 kg)
8 inch Precipitation/Snow, 6.5 lbs (3 kg)
12 inch Precipitation/Snow, 11.5 lbs (5.2 kg)
Finish White gloss textured powder coat and clear anodized aluminum
PN 820440 Wind screen

The improved Alter-design screen is constructed of 32 free-swinging leaves, greatly improving the accuracy of the catchment by reducing local turbulence.

Cable (for Models 375-389)
PN 1566 Signal Cable Assembly; specify length in feet or meters
PN 2517 Power Cable Assembly; specify length in feet or meters

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