Floating Analogue Thermometer.

Large 7 inch ( 177mm)  face.

Clear dial reads in degrees celcius

Probe extends 12in (300mm) in to the water

Tested against a £100 thermal datalogger with guaranteed accuracy of 0.1C this thermometer gave the exact same readings.

Comes with a tether and clip to stop it floating away.

Retail Price £20.00