... Ammeter and voltage meter CE approved WTZ, WTQ electric contact pressure type indicating For measurement of copper and copper alloy corrosion can ... as a temperature control system, touch switch circuit. Anti-corrosion-type all-stainless steel for neutral corrosive liquids and gases. Precision ... °C. WTQ-288 is -20 °C ~ +600 °C. WTZ, WTQ electric contact pressure type indicating