10 Best 4 Rpm Meter In The Us - Black Friday 2024
Tachometer Contact & Non-contact Digital Tachometer 4 Test Mode Laser Photo Tachometer 1.0～99999RPM High Accuracy RPM Tachometer with 4 Contact Probes, Backlit Display, Data Memory/Hold,Auto Power Off
Main highlights- 【Wide Measuring Range & High Accuracy & Long Measuring Distance & Multiple Units Options】Photoelectric speed measuring range of our tachometer is up to 9.0~99999RPM, contact rotating speed measuring range is up to 1.0~19999RPM. The tachometer is accurate to +/ -0.5% and can measure effective distances up to 2 ~ 20 inches under the photoelectric laser measurement mode. Digital tachometer provides a variety of units for you to choose from: RPM, m/min, ft/min, Hz.
- 【Photoelectric Laser Non-contact Measurement】Our digital tachometer adopts a advanced photo sensor. Without contact, laser tachometer can be used for photoelectric speed measurement and light source flicker frequency measurement. Laser tachometer is suitable for measuring fast rotating objects such as fans, motors, and propellers.
- 【HD Backlit Display & Data Memory & Data Hold】Tachometer has a high-definition backlit display, allowing you to read clearly even in dark conditions. Digital tachometer can automatically save the maximum value, the minimum value and hold the last value, so you don't need to worry about the shutdown due to low power or unexpected power failure.
- 【Contact Measurement & 4 Contact Probe Options】Tachometer is equipped with 4 different contact probes, you can choose the appropriate probe according to different scenarios to achieve close contact with the measured object. RPM tachometer is suitable for measuring speed of conveyor belts, gears, pulleys, etc.
- 【Auto Power Off & Low Battery Prompt & Portable Carrying Bag】After about 15 seconds of power on, if the tachometer gauge is in a state of no operation, it will automatically shut down to help you save power and prolong the service life of the battery. Digital tachometer also has low battery prompt function. Tachometer comes with a carrying bag for easy carrying and storage.
- 【2-in-1 Contact & Non-contact Photoelectric Laser Tachometer】Our digital tachometer integrates 2 measurement methods, contact type and photoelectric laser non-contact type. Tachometer can perform photoelectric speed measurement,light source flicker frequency measurement, contact RPM measurement, and contact line speed measurement. Tachometer can be widely used in motor, fan, paper, plastic, chemical fiber, washing machine, automobile, aircraft, ship and other manufacturing industries.
9.8Exceptional
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Value for Money2
NORXIMotorcycle 4-in-1 Multifunction Gauge Mini 4 Meter (RPM Tachometer+Cylinder Head Temp+Voltmeter+Clock) 4in1 Multi-Functional Gauge Digital Multimeter Engine Temperature Meter (10mm, Left)
Main highlights- 【Small body】Super slim square design, small and convenient. Compact design which does not get in the way even if it is installed around the meter. Paste the multimeter around dashboard with double-sided tape or use brackets to mount it around the rearview mirror.
- 【Measuring range】RPM Display range: 0~20000 RPM; Voltmeter: 8~50V; Clock: 24H; Cylinder Head Temperature: 0~120°C/32~248°F (Quickly press the button 7 times to freely switch between Celsius and Fahrenheit).
- 【Function】Multifunctional digital LCD instrument, can accurately indicate the various performance parameters of the motorcycle and increase road traffic safety.
- 【Easy Installation】Simple connection, easy to use, universally applicable to all motorcycles with 12V power supply.
- 【Alarm function】With low voltage (Below 11.5V) and high Cylinder Head temperature (exceed 120 °C) flash alarm function.
9.6Exceptional
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3
DIGITENDIGITEN 4 Digital Green LED Tachometer RPM Speed Meter + Hall Proximity Switch Magnet Sensor NPN for Lathe Conveyor Belt
Main highlights- Power requirement:DC 8-15V
- Measure range: 5-9999RPM.
- Display: Green 0.56" LED
- Come with hall sensor and magnet
- Application: Lathe, CNC, Mower, Spring, etc.Measure varied motor RPM.
9.5Excellent
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4
Landtek2-in-1 Digital RPM Tachometer | Non-Contact Photo Sensor Tachometer 3~99,999RPM | Contact RPM Gauge Tester 3~99,999RPM Tach Speed RPM Meter with 4 Contact Probes, Data Hold, Max/Min, Backlight
Main highlights- 【Wide Range & Long Distance Measurement】Contact type: 3.0 to 19,999 RPM (Need to cooperate with reflective strip measurement) , Non-contact type: 3.0 to 99,999 RPM. With a high accuracy margin of error of +/- 0.05 % , The No-Contact tachometer can measure effective distances up to 2 to 20 inches under the photoelectric measurement mode
- 【Photo Tachometer Non-contact Measurement】Our rpm tachometer adopts an advanced photo sensor that can be used for photoelectric speed measurement and light source flicker frequency measurement with non-touch. Photo tachometer is suitable for measuring fast rotating objects such as fans, motors, and propellers
- 【Multiple Functions】Digital tachometer rpm meter provides a variety of units for you to choose from: RPM, m, min, ft , min. With a high-definition backlit display, allowing you to read clearly even in dark conditions. Automatically save the maximum value, the minimum value and hold the last value. Low battery indicator function. Tachometer will auto shut down to help you save power of battery if it's in a state of no operation after 15 seconds of power on
- 【Handheld Tachometer VS. Speedometer】A digital speedometer is to read the current speed of a vehicle, while our Tachometer is used for measuring the line speed and also the rpm of a revolving shaft
- 【Contact Measurement with 4 Contact Probes Options 】Equipped with 4 different touch probes allowing you to choose the appropriate probe to close contact with the measured object according to versatile scenarios. The digital contact tachometer is suitable for measuring speed of conveyor belts, gears, pulleys, etc
- 【2-in-1 Tachometer 】LANDTEK digital tachometer seamlessly integrates 2 measurement methods, contact-type and photoelectric sensor non-contact type, which can measure rmp rotational speed with or without contact, dual modes meet your various testing needs
9.4Excellent
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5
DIGITENDIGITEN 4 Digital LED Tachometer RPM Speed Meter+Hall Proximity Switch Sensor NPN Blue
Main highlights- Power requirement:DC 8-15V
- Measure varied motor RPM
- Measure range: 5-9999RPM.
- Display:BLUE 0.56" LED
- Come with hall sensor and magnet
9.3Excellent
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6
LinkstyleLinkstyle Digital Tachometer, 2 Stroke 4 Stroke Small Engine Tachometer, Chainsaw Tachometer Tach Gauge Tach Meter, Inductive Pulse Tachometer for Lawnmower Weedwhacker Cropper Car Boat
Main highlights- Zero & Reset Function: Press "MODE" and "SET" together until the screen fills to clear data. Hold "SET" until the screen shows "04" and stops flashing to reset
- Widely Used: Suitable for all strokes (cylinders 1-8) gasoline engines, such as chainsaws, lawnmowers, weed whackers, snowmobiles, ATVs, motorcycles, etc
- Universal: Measures all strokes (cylinders 1-8) for 2-stroke or 4-stroke gasoline engines. Range: 100-30000 RPM. Accuracy: 1%. Resolution: 100%. Timing range: 1-99999 min
- Energy Saving: turns off display when engine is stopped; automatically starts test when engine is running. Powered by CR2450 battery with a life of 3 years
- 2 Measurement Methods: Inductive design: 1. Use a metal clip to clamp the tachometer on the spark plug for measurement. 2. Measure within 3-5 cm of the spark plug
9.0Excellent
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7
JuviPerpricJuviPerpric Digital Tachometer, 2-in-1 RPM Tachometer Handheld Contact 3~19999RPM & Non-Contact 3~99999RPM RPM Meter with 4 Contact Probes,Backlight RPM Tachometer for Small Engines
Main highlights- 【WIDE APPLICATIONS】RPM tachometer is equipped with 4 different sizes of contact probes to ensure adaptability to various measurement scenarios. Suitable for measuring the speed of motors, fans, pumps, turbines, gears and other rotating objects
- 【MULTI-FUNCTION】RPM meter features a high-definition backlit display to ensure clear visibility in any environment, as well as data hold function and max/min function max/min measurement, real-time measurement for comprehensive data analysis
- 【HIGH-PERFORMANCE DESIGN】Low battery alert ensures worry-free use, automatic shutdown after 15 minutes to extend battery life (this feature can be turned off).Contact & non-contact digital tachometer has a wide measuring distance and is easy to operate
- 【HIGH PRECISION PERFORMANCE】Tachometer handheld high precision. Non-contact accuracy: ± (0.05%FS+1RPM); Contact accuracy: ± (0.1%FS+1RPM). Easily switch units between meters, meters/minute and feet/minute. Ensure accurate data
- 【2-IN-1 TACHOMETER】Digital tachometer rpm meter can measure contact or non-contact speed, dual mode can meet your testing needs. Non-contact speed range: 0~99999RPM; Contact speed range: 3~19999RPM
8.9Very Good
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8
EEEKitEEEkit 4 Digital Blue LED Tachometer, RPM Speed Meter Digital Motor with Hall Proximity Switch Sensor NPN for Conveyor Belts
Main highlights- Settable Parameters: Parameters are memorized when powered off. Ideal for detecting motor speeds
- High Stability: Uses the latest A/D conversion chip, high stability reference IC, and stick chip components. Stable and fast response. Overrange display shows "1" or "-1" for thousands of units, with the last three digits not displayed
- High Accuracy: The measurement range is 10-9999rpm with 0.1% accuracy. Clear zero time in about 10 seconds. Response frequency: > 3 times/second. Voltage: DC 12-24V, Current: 40mA
- Extensive Applications: The digital rpm gauge tachometer is suitable for measuring voltage and current, and can be an external sensor to measure temperature, pressure, displacement, and other physical quantities
- Clear & Easy Reading: Features a blue 4-digit LED display for clear and easy to read. The digital LED tachometer size is about 80*25*40mm(L*W*H)
8.8Very Good
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9
RunleaderRunleader Digital Tach Hour Meter,Engine Temperature Gauge,Alert RPM & Temp,Backlights Display for Lawn Tractor Compressor Generator Snowmobile Marine Jet Ski Pit Bike
9.7 Precision9.3 Easy installation8.0 Battery DurationWhy we love it
Accurate readings for RPM, temperature, and runtime.
Easy to mount and install on various machines.
Replaceable battery for extended product life.
8.7Very Good
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10
DIGITENDIGITEN 4 Digital Green LED Tachometer RPM Speed Meter + Hall Proximity Switch Magnet Sensor NPN + Sensor Mounting Holder for Lathe Conveyor Belt
Main highlights- Power requirement:DC 8-15V
- Measure varied motor RPM
- Measure range: 5-9999RPM.
- Display:red 0.56" LED
- Come with hall sensor, magnet and L-shaped bracket, which could be easy for installation
8.5Good
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