The QMR101 Precipitation Sensor is an economical and accurate rain gauge made of plastic material which is highly resistant to UV-radiation and even frostproof.

The QMR102 Precipitation Sensor is an aerodynamically shaped rain gauge designed to minimize the wind originated airflow reducing the catch. Manufactured from UV-radiation resistant plastic, making it a very rugged instrument.

Vaisala Rain Detector DRD11A features fast and accurate precipitation detection (ON/OFF). The sensor operates via droplet detection rather than by signal level threshold. The capacitive principle utilizes the RainCap sensor plate.

This instrument uses a tipping-bucket mechanism to produce a contact closure every time it receives a predetermined small quantity of rainfall (0.2 mm). The body and funnel of the gauge are of aluminium alloy.