The handheld laser digital tachometer is available at a low price, the measuring range is from 2 rpm to 99,999 rpm and can be freely switched between contact and non-contact measuring modes. This portable digital tachometer is the ideal tool for measuring motors, machine parts and lathes.

Specification

• Model: RDDLZ-DT-AT8
• Display: 5-digit LCD
• Accuracy: ±(0.05% + 1 digit)
• Contact Measurement Range: 2 to 20,000 rpm
• Non-Contact Measuring Range: 2 to 99,999 rpm
• Counting Measurement Range: 1 to 99,999
• Resolution: 0.1 or 1
• Sampling Time: 0.5 Seconds (over 120 rpm)
• Measuring Distance: 50mm to 500mm
• Time Base: Crystal oscillator
• Power Consumption: Approx. 45mA
• Battery: 9V
• Operating Temperature: 0C to 50°C ( 32 to 122°F)
• Dimensions: 160x60x42mm
• Weight: 160g

Features

• Handheld digital tachometer with both contact and non-contact measurement modes.
• The digital tachometer has a laser sighting and can store up to 40 measurements, including 10 maximum values, 10 minimum values, 10 average values, and 10 instantaneous values.
• The portable laser digital tachometer has a large clear LED display and a backlit display for easy reading of the measurement data at any time and anywhere.
• 6V direct current charging interface for fast charging time and low consumption.
• The ergonomic design of the contact/non contact tachometer provides a comfortable grip for long periods of use.

Details

Applications

Digital tachometers are commonly used in various industrial and automotive applications where it is necessary to measure the rotational speed of a shaft or engine. They are often used in manufacturing plants for quality control and monitoring purposes, as well as in the automotive industry for engine testing and tuning. Digital tachometers can also be found in marine and aviation industries, where they are used to monitor the speed of propellers and turbines. Additionally, they are often used in research and development settings, such as in wind tunnel testing and in the development of new engines and machinery.

Tips: How does a digital tachometer work?

A digital tachometer is an electronic device that is used to measure the rotational speed of a motor or other rotating machinery. It typically works by measuring the frequency of a signal that is generated by a sensor or pickup that is placed on the rotating shaft of the machinery.

Here's how it works in more detail:

• Sensor: A digital tachometer typically uses an optical or magnetic sensor to detect the rotation of the machinery. An optical sensor typically uses an LED and a photodetector to detect the passing of a reflective surface, while a magnetic sensor uses a magnet and a Hall effect sensor to detect changes in magnetic field.
• Signal processing: Once the sensor detects the rotation, it generates an electrical signal that is sent to the tachometer. The tachometer then processes the signal using electronic circuits to produce a digital signal that can be displayed on a screen.
• Display: The digital signal is then displayed on the screen in terms of RPM (rotations per minute) or other units of measurement. The display can be a simple LED display or a more advanced LCD or OLED screen that can display additional information such as maximum and minimum RPM values, elapsed time, and other relevant information.