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This tachometer is a high quality instrument to measure the Rotational Speed (RPM) with wide measuring range and high resolution. It is featured with high accuracy measurement, quick measuring time and long detecting distance up to 500 mm (20 inch) with Laser.
This tachometer is very easy to use by applying a reflective mark (included in package) on target object, then aim at the mark by Laser beam. This tachometer has wide range of applications include measuring rotating speed of machine, motors, model cars, wheels, lathe for metal or wood cutting work etc.
Specifications:
Display: 5 digits, 18 mm (0.7¡± inch) LCD with Function Annunciation.
Testing Range: 2.5 ~ 99,999 RPM (rate / min).
Resolution:
0.1 RPM (2.5 ~ 999.9 RPM) .
1 RPM (over 1,000 RPM).
Accuracy: (0.05 % + 1 digit).
Sampling Time: 0.8 seconds (over 60 RPM).
Test Range Selection: Automatic.
Memory: Maximum value, Minimum value and Last Measured value.
Detecting Distance: 50 ~ 500 mm (2 ~ 20 inch) (Laser).
Time base: Quartz Crystal.
Circuit: Exclusive one-chip of microcomputer LSI circuit.
Power: 9V PP3 Battery.
Operating Temperature: 0 ~ 50 ¡ãC (32 ~ 122 ¡ãF).
Dimension: approx. 131 (L) x 70 (W) x 29 (D) mm (5.16¡¯ x 2.76¡¯ x 1.14¡¯ inch).
Weight: approx. 160g
Package Content:
1 x New Digital Laser Photo Tachometer Non Contact RPM Tach
1 x English Manual
1 x Carrying Bag
3 x approx. 20cm of reflective stripes
frank
2025-09-01 20:30:16
Excellent tool to have In the shop Knowing the speed of machinery Is important
Tommy Taylor
2025-08-22 16:23:04
I love this tool. I know the rpm of everything i ever wanted to know. And I write the rpm on the motor, or what ever i measure. Plus you always know if you've measured it because of the little metallic sticker.
Pearl Dragoness
2025-08-18 18:05:26
The first one of these I got could not measure RPM. I would press the Test button and see a very faint red laser dot on the target and the display would show 0 RPM with the low battery icon lit but the display was so dim it had to be viewed at an extreme angle or a flashlight had to be shone on it. Pressing the Mem button would show the display at normal brightness. I tried 3 different batteries measuring up to 9.67V and I also tried a 9.37V wall power supply. I even kicked the wall power supply to 12V for a few seconds but it made no difference (probably not a safe thing to do even for a few seconds, but curiosity got the best of me). A few of the other one star reviews reported similar problems.They shipped me a replacement for free before I returned the broken one and it arrived in two days and functions fine. I used it to measure the speed of an AC blower motor as 1130 to 1132rpm, and the readings were the same when I double checked the next day. The fan motor is supposed to run at 1075rpm so the tachometer may be reading fast, but it's close enough to prove the motor isn't failing and you can't expect high accuracy for $15.Be careful when inserting a 9V battery because it can be pressed in with the wrong polarity far enough to touch the contacts. I did that on the broken unit and it makes me wonder if that's what caused it to fail. It should have protection circuitry but that circuitry may be of low quality and it may have failed. Then again, no other reviewers I could find reported it working until they put a battery in backwards, so it's probably not related. Of course, if you're prone to putting batteries in backward, it may be a good idea to do it on purpose to test the protection circuit while you're still in the return window.The case is a nice touch and has a pocket for the instruction manual plus a holder for a length of reflective tape. Only thing missing is a scissors. Other reviewers say the tachometer burns through batteries even when not in use so I suggest storing it without a battery.
Barry
2025-08-04 17:56:35
Works well, worth the money. Used it on my outboard motor to calibrate the tach in the dash.
Andy M
2025-07-18 16:23:32
Used this exactly twice. New battery and the first use it seemed to work well and accurately. Minutes later, and just then second time of use, it won’t turn on at all. This is just junk.
NJSC Coquis
2025-07-13 16:50:34
I was skeptical, but the reviews won me over.I am using this to test small brushed motors.A simple trigger wheel, using the supplied reflective tape, works perfectly.The unit gives measurements in real time, repeats the same measurements, and is accurate enough for my needs.I am looking for differences of about 100RPM and this does better than that.It might read a little high - less than 100rpm(compared it to the RPM readout on my brushless motor analyzed) but I am not looking for dead accuracy, just mild changes motor to motor.It is surprising large - fits nicely in the hand
Ordinary Average Guy
2025-07-11 18:04:46
I went back and read the description, no where does it say you have to use a reflective tape to it to work, but they do provide the tape, only problem is I bought it to measure dc motor RPMs and the gear on them doesn't really lend itself to having tape stuck to it and spun up so in that application it appears useless unless I can figure something else out
andreas h.
2025-06-23 17:38:46
The tool works well. The numbers are easy to read on the display. The red dot of the laser makes it super easy to point.The reflective tape has a really strange backing. It hardly separates from the tape. Other reviews point out the same issue. With some patience and using a utility knife, the backing will come off.Clean the surface and this tape will stick well.I use this tool to read engine rpm (placed a 1" strip of tape on the harmonic balancer)
Sany176
2025-06-12 09:43:21
Unit come with reflective stickers but will also pick up and reflective stripe such as paint stripe. Worked very well and was easy to use. Allows me to more accurately set my small engines when servicing.
Walter Pootz
2025-04-18 13:56:48
Das Gerät ist einfach zu Bedienen, ich benutze es um die Drehzahl an meinem E-Scooter zu messen.
RR
2025-03-10 14:22:55
Solved my problem. Though not top quality, you cant ask for more at this price
Thomas H.
2025-02-14 13:13:34
Det är bra om man känner till ungefär hur stort varvtalet är på det man mäter. Gjorde en mätning på en 3-ekrig hållare för knivar till en gräsklippare. Ekrarna var ca. 30mm breda och helt vita. Fäste en bit av det medföljande reflekterande materialet på en av ekrarna. Trots det visade varvräknaren 3 ggr för stort varvtal. Har inte haft möjlighet att kontrollera denna varvräknare mot något känt varvtalsvärde, men min mätning verkade vara inom rätt härad./T
Cliente
2025-01-17 15:58:51
Ottimo. Prodotto più usato da chi esercita la professione di YouTuber e devo dire che funziona benissimo. La consegna e la serietà di Amazon sono sempre eccezionali. Molto soddisfatto. Lo consiglio.
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