Non Contact Digital Laser Tachometer, 2.5 rpm-99999 rpm

Non Contact Digital Laser Tachometer, 2.5 rpm-99999 rpm

Handheld non-contact laser tachometer with a measurement range from 2.5 rpm to 99,999 rpm is used to detect the speed, linear speed or frequency of the motor. Portable digital tachometer can accurately measure the speed of impeller blades, expansion cylinders and spindles, suitable for motors, fans, washing machines, textiles, automobiles, aircraft, ships and other industries.

SKU: CCHN-DT-GM8905

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Delivery date: 6-25 days

Overview

Buy a digital laser tachometer at factory price. It is a handheld non-contact tachometer with a measurement range from 2.5 rpm to 99,999 rpm, 0.1rpm resolution, can be used in a variety of applications including automotive, industrial and laboratory environments.

Features

Non-contact laser tachometer holds the maximum, minimum, average, and last measured values, displaying clear operation instructions with unit symbols.
Digital laser tachometer features a wide measuring range, high resolution, low battery indication, LCD backlight, and auto shutdown.
Using advanced microprocessor and laser technology, the non contact digital laser tachometer ensures intelligence, reliability, and easy readability on an oversized LCD screen.

Specifications

Model	CCHN-GM8905
LCD Display	5 Digit Large Screen LCD Display, with Word Height of 18mm
Unit	rpm
Range	2.5-99999rpm
Resolution	0.1rpm (2.5~999.9rpm)
Ratio	1rpm (1000~99999rpm)
Basic	±(0.1%n+5d)rpm; (2.5~999.9rpm)
Precision	±(1%n+5d)rpm; (1000~99999rpm)
Laser Power	CLASSII 2-5mW
Sampling Ratio	Once/second
MeasurementDistance	50-500mm
Time Base	Quartz Crystal
Automatic Shutdown	The instrument will shut down after 60 seconds without any pressing.
Operation Environment	0~50℃; 32~122℉; 10%~90%RH
Storage Environment	-10~80℃; -14~176℉; 10%~75%RH
Power Supply	2x1.5V AAA battery
Dimension	55.7x29.9x127mm
Weight	106g

Applications

Digital tachometer applications

Tips: Briefly introduce the working principle of laser tachometer

A laser tachometer is a non-contact device used to measure the rotational speed (RPM) of a surface or object. Its working principle involves the following key steps:

Laser Emission: The tachometer emits a coherent laser beam towards the rotating object.
Reflection: When the laser beam strikes the surface of the object, it reflects to the tachometer. The surface of the object should ideally be rough or have a reflective marking to enhance the reflection.
Detection: The tachometer contains a photodetector that senses the reflected laser beam.
Frequency Measurement: As the object rotates, the laser beam hits different points on the surface. The tachometer measures the time interval between successive reflections, which is related to the speed of rotation.
Output Calculation: The device calculates the rotational speed in RPM based on the frequency of the reflected signals and displays the result.

Laser tachometers are valued for their accuracy, non-contact measurement, and ability to work with a variety of surfaces and speeds, making them ideal for many industrial applications.