HOBO Rain Gauge Smart Sensor, 0.2mm Resolution

Tipping bucket with magnetic reed switch pivots on metal shaft. UV-stabilized ABS plastic housing. Specifications: Measurement Range: 0 to 10.2cm per hour, maximum 4,000 tips per interval. Accuracy: ±4.0%, ±1 rainfall count between 0.2mm and 50.0mm per hour; ±5.0%, ±1 rainfall count between 50.0mm and 100.0mm per hour. Drift: requires annual field calibration. Length of Smart Sensor Network Cable: 0.5m (1.6´). Dimensions: 9.5˝H x 6.5˝ dia.