Product Information - TC041-L
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Precipitation Occurrence Sensor (Analogue Rainfall Intensity Output)
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 Manual, Version Date: September 2009  Manual

General Description

The TC041-L is an effective precipitation occurrence sensor which also serves to measure instantaneous rainfall intensities (i.e. millimeters per minute - mm/min.). The precipitation can be in the form of drizzle, rain, snow, or hail. The TC041-L does not differentiate between types of precipitation.

Using Light Emitting Diodes to generate a light band between the sensor arms, the shadow effect of particles as small as 0.2mm is measured by the sensor's receiving arm. These measurements are used to produce rainfall intensity values. With the use of the CURS100 Current Shunt, the TC041-L can be interfaced with a Campbell Scientific datalogger. The TC041-L includes a heating system to keep the sensor snow and ice free, as well as safeguards to prevent false readings and any possible effects of ambient light.



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