... vibration meter, ultrasonic thickness gauge, film/coating thickness gauge, digital hygrothermograph, high voltage megohmmeter, ground resistance tester, electric leakage ... 30m/s, 1.4~90km/h, 0~5860feet/min, 0~55 nautical mile/h, 0~65land mile/hwind temperature-10~45º ... :± 5%wind temperatureaccuracy: ± 2º Cresolution0.2º C, 0.2m/sLCD digital display low voltage displayauto power off after 14 minutesLCD ...