Description
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 | ATO-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 | 2×1.5V AAA battery |
| Dimension | 55.7×29.9x127mm |
| Weight | 106g |
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.
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