... laser distance meter,infrared thermometer, anemometer, sound level meter, noise meter, vibration meter, ultrasonic ... voltage megohmmeter, ground resistance tester, electric leakage switch tester,gas detector.2.Specifications ModalTL1351StandardIEC651 TYPE2B. ... simulative ear)sampling frequencytwice/smicrophone1/2 inch capacitive microphoneMAX holdauto inductive backlightlow power displayauto power ...