Digital Stroboscope DT2239B Non-Contact Photo Tachometer 60-20000RPM Speedometer New

Features:
1.Adopt advanced technologies such as microcomputer technology (CPU), photoelectric technology, anti-interference technology to realize non-contact rotational speed measurement, and detect the state and surface defects of moving objects.
2.The large-screen LCD display with backlighting ensures clear readings and no parallax.
3.With data storage function, 10 commonly used flash data can be stored at any time, which is convenient and quick.
4.There are special backlight control backlight and flash control switches, which is convenient for saving battery. When the power supply voltage is lower than the specified value, it will automatically prompt.
5.The structure is sturdy and exquisite. The whole machine adopts durable and best electronic components, and the shell is made of light and hard ABS plastic. The appearance is beautiful and generous, easy to carry, and simple to operate.
Specifications:
Measuring range: 60-20000RPM/FPM (RPM: revolutions/minute; FPM: flashes/minute)
Coarse adjustment/fine adjustment range: Coarse adjustment: ±10RPM/FPM
Fine adjustment: ±0.1RPM/FPM When ≥1000RPM
Coarse adjustment: 100RPM/FPM
Fine tuning: 1RPM/FPM
Accuracy: 0.05%
Resolution: Time base: quartz crystal oscillator
Display: five-digit LCD, maximum display 40000
Power supply: 4X1.5V (AAA battery) (NOT included)
Power consumption: about 60mA
Size: 200x70x50 (mm)
Notice:
Due to the different monitor and light effect, the actual color maybe a slight different from the picture color.
Please allow 5-30mm differs due to manual measurement.

Package List:
1 x Digital Stroboscope
1 x User manual