meter, tester, multimeter, clamp meter, tachometer, lux meter

  analog multimeter, digital multimeter, digital AC and DC clamp meter, digital AC and DC power clamp meter, digital AC clamp meter, digital special multimeter, anemometer, automobile tester, dew point meter, dynamometer, electromagnetic wave radiation alarm, humidity meter, insulation tester, lux meter, moisture tester, network cable meter, pen probe style multimeter, sound level meter, stroboscope, tachometer, temperature meter and thermometer, thickness meter, ultrasonic range tester, vibration meter, voltage check, phase indicator, megohmmeter, surface resistance tester, process calibrator, phase meter