PP3 batteries powered pyrometers
prices on 50 models"PP3"
— a standard 9-volt battery of the PP3 type is rectangular in shape, with a pair of contacts on one of the ends. Quite a popular option: for a number of reasons, a voltage of 9 V is very convenient for use in pyrometers.Some models with this power supply are also capable of operating from an external power supply (see the relevant paragraph).
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