... s,-10~45C 3.MAX/MIN/AVG display 4.low voltage display 5.auto power off 1.IntroductionWe ... /coating thickness gauge, digital hygrothermograph, high voltage megohmmeter, ground resistance tester, electric leakage switch tester,gas detector.2. Specification ModalTL816measuring ... ± 2º Cresolution0.2º C, 0.2m/sLCD digital display low voltage displayauto power off after 14 minutesLCD backlight displayMAX ...