Ventus W140 User Manual page 18

RAIN GAUGE
Unit for rainfall in and mm
Range for rainfall 0~29999 mm (max)
Resolution 0.01" (0.254 mm)
Accuracy < 0.01" (0.2 mm): +/- 7% or 1 tip; 5" (127 mm): +/- 7%
Display modes Rainfall in hourly rate, hourly, daily, weekly, monthly and yearly
Memory modes Maximum rain
Alarm Hourly or Daily High rainfall alert
Hour rainfall > 999.9 mm; Day rainfall > 9999 mm; Week/Month/Total rainfall
Hi display
> 29999 mm
in and mm
0~29999 mm (max)
0.01" (0.254 mm)
< 0.01" (0.2 mm): +/- 7% or 1 tip; 5" (127 mm): +/- 7%
Rainfall in hourly rate, hourly, daily, weekly, monthly and yearly
Maximum rain
Hourly or Daily High rainfall alert
Hour rainfall > 999.9 mm; Day rainfall > 9999 mm; Week/Month/Total rainfall
> 29999 mm