Immersion heater and clamp meter question

[batty]

mmm, lets see. Maybe it cuts out on leap years, or Sandra's birthday?My thinking is in the case of overheating?! IE if set too high or thermostat knackered. Just the rambling thoughts of the veterinary....

They are strange things a bit of a pain in the bum really not sure how accurately they are made because I have had them trip out for no reason.

 

[jackfrosty]

went round today and the thermal cut outs wouldnt reset so changed and all works fine now. Only thing is the thermostat dial wasnt the usual 50c 60c 70c etc but number 1 to 5 and came with no instructions with what number equals what temperature. the thermostat was a cothern and was really hard to get, senate managed to get one sent down for this afternoon but were