Mengshen® 2 in 1 Contact 19,999 RPM& Non-contact 99,999RPM Measuring LCD Digital Laser Tachometer Rotation Tachometer Speed Tester Electrical Machine Rotate Speed Meter Wide Measuring Range MS-M522

Features:
Dual use for non-contact & contact testing on your needs.
Have 4 different connecting head used for contact measuring.
Wide measuring type: can test rotational speed(RPM), counter rotating(REV),frequency(Hz),surface speed(m/minute; inch/min; feet/min; yard/min and length(meter, inch, feet, yard).
High resolution ratio and 5-digit backlight LCD display.
Latest laser targeting technology.
All 30 data storage: 10 maximum/ minimum/instantaneous measuring data.
Wide measuring range: non-contact way--2 to 99999RPM; contact way--2 to 20000.
Sampling time is just 0.5 sec.
Extensive usage: usually can be used in the field of motor, electrical fan, paper making, plastic industry, chemical fiber, washing machines, car making etc.

Specifications:
1.Power Supply: 9V Battery(Included)
2.Display: 5-digit Backlight LCD Display
3.Accuracy: 0.02% +/- 2 digits
4.Contact Measuring Range: 2-20000RPM
5.Non-contact Measuring Range: 2-99999RPM
6.REV Measuring Range: 1-99999
7.Resolution Ratio: 0.1 or 1
8.Sampling Time: 0.5sec.
9.Measuring Distance: 50mm-600mm
10.Power Consumption: 45mA
11.Working Temperature: 0℃-50℃(32℉-122℉)

Package Includes:
1 * Tachometer
4 * Connecting Head
1 * Protection Cover
1 * Englsih User's Manual