Photos of buyers
Specifications
- Brand Name: SMART SENSOR
- Origin: CN(Origin)
- Model Number: AR925
- Type: Tachometer
- Measuring Range: R otate : 0.5~19999RPM Linear : 0.05~19999.9m/min 0.2~6560 ft/min
- Rotating Speed Resolution: 0.1RPM (2.5~999.9RPM) 1RPM (Over 1000RPM)
- Accuracy: ±(0.05%+1 digits )
- Linear Rolling Speed Resolution 1: 0.01 m/min (0.05~99.99m/min) 0.1 m/min (Over 100 m/min)
- Linear Rolling Speed Resolution 2: 0.1 ft (0.1~999.9 ft/min) 1 ft/min (Over 100 ft/min)
- Sampling Time: 0.8 sec(Over 60RPM)
- Power: 3*1.5V AAA Battery(not include)
- Rotational Speed Meter: Laser Tachometer
- Tachometer: Tachometer RPM
- digital tachometer: Motor Tachometer
Digital Tachometer Contact Motor Tachometer RPM Meter digital Tach speedometer 0.05~19999.9m/min 0.5~19999RPM Smart Sensor AR925
Price history
- for 3 month
- for half a year
- Requires Alitools extension
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Customer Reviews
It does not count below their limit 15 RPM/Sec. why? I bought the product to measure only very low speeds. 2-5 RPM/min. As soon as it passes 15 rpm then the display shows. Below 15 rpm it always shows 0.00. To me it is a defective and useless product..
I received a product after 49 long days of shipping. Properly wrapped in bubble wrap enough to withstand long haul. Batteries are not included, being normal at such a price. After the optical inspection, the product seems to be of good quality, after I put batteries in it and subject it to various tests, I can clearly decide on the quality. Until then, thanks to the seller.
I tested a tachometer on the two lathes I have, the one for wood and the one for metal, measuring the speed of the electric motor and on the shaft. In the pictures you can see the results. I am very satisfied with the accuracy of the device.