Tachometer Uni-T UT373

----------KEY FEATURES----------Non-contact rotational speed measurementRevolution counter functionLaser pointer for easy device alignmentMeasurement of rotational speed and counting of completed revolutionsLast reading hold (Data Hold)Recording of maximum and minimum values (MAX/MIN)Automatic measurement range selectionLCD backlightOver-range indicator (OL)Low battery indicator----------TECHNICAL DATA----------Rotational speed measurement range: 10.0–9999.9 RPM / 10000–99999 RPMResolution: 0.1 RPM / 1 RPMAccuracy: ±(0.04% + 2)Maximum display: 99999Counter range: 0–99999 revolutionsCounter resolution: 1 revolutionMaximum counter input frequency: 10 kHz (5% pulse duty cycle)Measurement distance: 50–200 mmMeasurement angle: below 30°Sensor type: photodiode and laser diodeLaser class: 3RLaser wavelength: 650 nmMaximum laser output power: