Light Switch Sensor£23.95
This sensor features a new design digital light switch which has an integral light guide to be used for counting and timing events which make or break an IR visible light sensitive path.
Light Sensor with Lens£25.75
The basic light level sensor is designed for general purpose measurement of ambient light level. Supplied with lens system and coloured filter set for optics and general use
ProTemp Temperature Sensor£37.50
A robust precision engineered sensor designed to measure temperature of liquids or soft soils etc.