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Digital Tachometer
Portable Contact Digital Tachometer, 0.5 rpm-19999 rpm
$109.86
SKU: ATO-DT-6235C
The portable contact tachometer comes with a range of convenient features including a digital backlit display, automatic switch-off and memory recall, which make it easier to use and ensure accurate measurements. Digital automotive tachometers have a measurement range of 0.5 to 19,999 rpm and a linear speed resolution of 0.05 to 1999.9 m/min. This digital tachometer is ideal for use on motors, machine parts, lathes and other non-contact diagnostic operations.
Handheld Contact/Non Contact Digital Tachometer, 2 rpm-99999 rpm
$234.67
SKU: ATO-DT-AT8
This handheld laser digital tachometer has both contact and non-contact measuring modes, a measuring distance of 50mm to 500 mm and a measuring range of 2 rpm to 99,999 rpm.
The digital contact/non-contact laser tachometer offers a range of convenient features including a backlit display, automatic switch-off and memory recall. ATO digital tachometers are used in a wide range of applications including automotive tire speed, motor speed and other related applications.
Handheld Digital Contact Tachometer, 1 rpm-1999 rpm
$118.86
SKU: ATO-DT-6235P
The contact digital tachometer is a stable, safe and reliable photoelectric digital tachometer. It has a target distance of 50mm to 200mm and a measurement range of 1-1999 rpm. The ATO portable digital tachometer provides accurate and reliable RPM measurements for a wide range of applications, ensuring that your machine is running at optimum levels.
Handheld Digital Laser Tachometer, 2.5 rpm-99999 rpm
$65.89
SKU: ATO-DT-2234C
Buy a non-contact type laser tachometer online, the combination of a large, easy to read digital LCD screen and a fast, high speed laser beam allows the user to get fast readings up to 99999 rpm. This mini handy digital tachometer is a multi-function tool that can be used in a variety of applications including automotive, industrial and laboratory environments.
Portable Non Contact Digital Tachometer, 2.5 rpm-99999 rpm
$117.68
SKU: ATO-DT-6234P
The non-contact type digital tachometer offers a cost effective solution, it comes with a measuring range of 2.5 rpm-99999 rpm, automatic memory of the maximum, minimum and last displayed values. ATO non-contact digital tachometers are compact and portable, making them ideal for professionals and non-professionals alike.
Contact/Non Contact Digital Tachometer, 2.5 rpm-99999 rpm
$117.68
SKU: ATO-DT-6236C
The laser digital tachometer with the highly sensitive non-contact sensor. It has a wide measuring range from 2.5 rpm up to 99,999 rpm and an accuracy of +/- 0.05%. The laser digital tachometer is available in both contact and non-contact measurement modes. It can be used to determine motor speed, linear speed or frequency, as well as to measure the speed of impellers, drums, and rotating shafts.
Non Contact Digital Laser Tachometer, 2.5 rpm-99999 rpm
$76.15
SKU: ATO-DT-GM8905
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.
LED Stroboscope Tachometer, 60fpm-99999fpm
$178.99
SKU: ATO-TM-LS
The portable LED stroboscope tachometer accurately measures the RPM of objects and displays the results through LED strobe effects, designed for industrial and laboratory applications. The instrument has a measurement range of 60 fpm to 99999 fpm, making it suitable for checking and maintaining the RPM of various mechanical devices.
Smart Photo Tachometer, MCU Chip
$56.66
SKU: ATO-TM-SP
Smart photo tachometer with a 2.5-99999 rpm measuring range, non-contact measurement, and automatic ranging. Data storage, anti-interference capability, and a large LCD display with clear, parallax-free readings and low-battery indication. Micro MCU chip and photodiode for accurate speed measurement.
Mechanical Motorcycle RPM Gauge, 0rpm-13000rpm
$35.88
SKU: ATO-TM-MMG
Mechanical motorcycle RPM gauge features a high-quality chrome-plated stainless steel casing for durability and resistance to corrosion. A clear, easy-to-read analog dial with LED backlight enhances visibility in low-light conditions. Designed for simple installation with color-coded wires, compatible with most motorcycles. A measurement range up to 13,000 rpm ensures reliable, real-time engine performance tracking.
Electronic Tachometer with Hall Effect Switch, 30rpm-9999rpm
$51.18
SKU: ATO-TM-HES
The electronic tachometer employs a non-contact Hall effect switch for precise RPM measurement from 30 to 9999rpm. The Hall effect switch detects magnetic changes on rotating parts, enabling reliable monitoring of motors, engines, and various rotating machinery. Features include a clear four-digit LCD display and a compact design. The unit accepts dual power input, compatible with both DC 8–24V and AC 110–230V supplies.
85mm Analog Tachometer for Outboard/Stepper Motor, 0rpm-7000rpm
$66.76
SKU: ATO-TM-OSM
The 85mm analog tachometer designed for inboard engines, outboard engines, and stepper motors. Features include 85mm dial with multi-color backlight, 0-7000 RPM measurement range, analog needle display, 9-32V DC power supply, stainless steel front cover material, reliable operation in acidic/alkaline/humid environments, operating temperature range of -30°C to 75°C, and IP67 waterproof and dustproof rating.
Waterproof Digital RPM Meter for Automotive/Marine, LCD Display
$62.35
SKU: ATO-TM-WD
The digital RPM meter's robust IP67 construction provides reliable waterproofing and shock resistance. Industrial-grade electronic components ensure reliable operation within a temperature range of -30 to 75°C and a wide voltage input of 9–32V. The unit incorporates a clear LCD screen for optimal readability, along with a corrosion-resistant 316L stainless steel front cover suitable for acidic, alkaline, and humid environments. Adjustable multicolor backlighting is also provided.
Hand Held Engine Tachometer with Hour Meter, Maintenance Reminder
$46.66
SKU: ATO-TM-HM
Hand held engine tachometer with hour meter for sale. Features maintenance reminder, 0-30000 rpm measurement, dual-button control, wrap-around inductive sensor, swivel battery replacement, backlit display, waterproof and shockproof design. Equipped with high-capacity battery and IP65 rating. Suitable for dirt bikes, ATVs, hedge trimmers, lawn mowers, and chainsaws.
Portable Vibration RPM Meter, Headset/USB/RS-232C
$1,221.76
SKU: ATO-TM-HUB
The portable vibration RPM meter is designed for on-site measurement of mechanical vibration and rotational speed. A high-performance piezoelectric accelerometer ensures accurate and stable results, with a RPM range of 0–99990 rpm. One meter supports both non-contact photoelectric and contact RPM measurement, measures speed and frequency, and monitors bearing condition. AC signal output, USB PC communication, and optional RS-232C data output are supported.
Industrial Laser Tachometer, Non Contact Type
$55.66
SKU: ATO-TM-IL
The industrial laser tachometer utilizes photoelectric speed sensing technology to achieve high-precision non-contact measurement. Its exceptionally sleek and portable design offers versatile functionality, a wide measurement range of 10-99999 rpm, effective operation in darkness, and a large-format LCD screen for outstanding readability.
A digital tachometer is a high-precision instrument that converts the motion of rotating parts into electrical signals for real-time LED and digital tube display. This essential diagnostic tool is widely used in industrial motor RPM monitoring, automotive engine speed detection, and advanced machinery maintenance.
Core Applications of Digital Tachometers
- Industrial Motor RPM Monitoring & System Integration: Monitors motor and fan speeds, supporting 4-20mA/RS-485 for factory automation control systems (PLC/DCS).
- Automotive Engine Speed Detection & EV Maintenance: Gauges crankshaft and drive motor velocities, serving as essential automotive diagnostic tools and garage equipment.
- Handheld Portable Tachometers & On-Site Calibration: Utilizes handheld non-contact laser tachometers (up to 99,999 RPM,±0.05% accuracy) for rapid field testing.
- R&D Laboratory Precision Measurement: Delivers±0.01% precision and supports linear speed calculation, frequency monitoring, and digital counter functions.
- Advanced RPM Analysis for Specialized Environments: Features FFT vibration spectrum analysis for enclosed shafts and integrated engine hour meters for runtime tracking.
Types of Digital Tachometers
To assist with technical procurement and model selection, the following comprehensive Types of Digital Tachometers comparison table highlights the precise measurement modes, memory capacities, and power configurations across all available SKU series.
| SKU | Measurement Type | Key Specifications | Data Storage / Memory | Power Supply / Display Type |
| ATO-DT-6235C | Contact Only | 0.5-19,999 RPM | Linear Speed: 0.05-1999.9 m/min Built-in memory recall (Max, Min, Last value) | Battery-powered / Digital backlit display |
| ATO-DT-AT8 | Contact / Non-Contact Dual Mode | 2-99,999 RPM | Target Distance: 50-500 mm Built-in memory recall (Max, Min, Last value) | Battery-powered / Digital backlit display |
| ATO-DT-6235P | Contact Only | 1-1,999 RPM | Target Distance: 50-200 mm Standard internal data logging | Battery-powered / Photoelectric digital display |
| ATO-DT-2234C | Non-Contact (Laser) | 2.5-99,999 RPM | High-speed laser beam, Instantaneous value recording | Battery-powered / Large digital LCD |
| ATO-DT-6234P | Non-Contact (Photoelectric) | 2.5-99,999 RPM | Target Distance: 50-500 mm Automatic memory (Max, Min, Last value) | Battery-powered / Compact digital display |
| ATO-DT-6236C | Contact / Non-Contact Dual Mode | 2.5-99,999 RPM | Accuracy:±0.05% Multi-parameter data saving | Battery-powered / High-visibility LCD |
| ATO-DT-GM8905 | Non-Contact (Laser) | 2.5-99,999 RPM | Sampling Rate: 0.5s Built-in memory data logging | Battery-powered / Handheld LCD screen |
| ATO-TM-LS | LED Stroboscopic | 60-99,999 FPM | Flash Duration Control, Strobe rate, frequency storage | Rechargeable battery / LED digital display |
| ATO-TM-SP | Non-Contact (Photoelectric) | 2.5-99,999 RPM | Micro MCU Chip Anti-interference data storage | Battery-powered / Parallax-free LCD |
| ATO-TM-MMG | Mechanical / Analog | 0-13,000 RPM Chrome-plated casing |
Chrome-plated casing, Real-time tracking (No internal storage) | 12V DC vehicle power / Backlit analog needle |
| ATO-TM-HES | Hall Effect Sensor | 30-9,999 RPM | 4-Digit Resolution Continuous monitoring data feed | Dual Input: AC 110–230V or DC 8–24V / LCD |
| ATO-TM-OSM | Analog Panel Mount | 0-7,000 RPM IP67 Waterproof Rating |
Real-time tracking (No internal storage) | 9–32V DC / Analog needle with multicolor backlight |
| ATO-TM-WD | Digital Panel Mount | IP67 / 316L Stainless Steel Temp Range: -30 to 75°C |
Continuous monitoring system data | 9–32V DC / Clear LCD screen with backlight |
| ATO-TM-HM | Inductive Wrap-Around | 0-30,000 RPM IP65 Weatherproof |
Integrated engine hour meter for total runtime | High-capacity internal battery / Backlit display |
| ATO-TM-HUB | Piezoelectric Vibration / Multi-Mode | 0-99,990 RPM Piezoelectric accelerometer |
AC signal, USB, and optional RS-232C data output | Battery-powered / Advanced digital display |
| ATO-TM-IL | Non-Contact (Laser) | 10-99,999 RPM Photoelectric sensing |
Automatic value hold functionality | Battery-powered / Large-format LCD |
Frequently Asked Questions about Digital Tachometer
Q1: Why is regular digital tachometer calibration necessary?
A: Digital tachometers must undergo periodic calibration to verify measurement accuracy, ensure compliance with national or international standards, and guarantee the safety and operational efficiency of rotating machinery.
Q2: What certifications should a third-party tachometer testing agency hold?
A: Tachometer calibration and verification services should be performed by authorized third-party testing laboratories holding recognized credentials such as CMA or CNAS.
Q3: What is the main difference between contact and non-contact digital tachometers?
A: Contact models measure lower speed ranges through direct physical connection and calculate linear speed, while non-contact models utilize high-speed lasers or photoelectric sensing to measure up to 99,999 RPM from a safe distance.
Q4: How can motorcycle owners prevent battery drain caused by an electronic tachometer?
A: Because an electronic tachometer clock operates continuously and draws approximately 17mA of current, it can drain a standard 7AH motorcycle battery in roughly 17 days during long-term storage. Owners should remove the main fuse to preserve battery life when the vehicle is left idle.
Q5: How do different digital tachometer SKUs store and manage measurement data?
A: Data logging capabilities vary across individual digital tachometer SKUs: select models feature automatic memory recall (Max, Min, Last values), others support continuous internal data logging or provide advanced AC/USB data output, while analog panel meters operate entirely in real-time without internal storage.
Digital Tachometer
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