Rain-gauge
131Barometer — Schematic drawing of a simple mercury barometer with vertical mercury column and reservoir at base …
132List of sensors — * Accelerometer * Touch sensor * Active pixel sensor * Air flow meter * Alarm sensor * Bedwetting alarm * Bhangmeter * Biochip * Biosensor * Breathalyzer * Capacitance probe * Carbon paste electrode * Carbon monoxide detector * Catadioptric… …