Operation is very simple， just apply a reflective mark (included in package) onto the target object，then aim the beam at the mark and RPM will be seen on its 5-digit clear LCD. Wide range applications include measuring rotating speed machine， motors， model cars， automotive， trucks， aircraft， light rail vehicles， wheels， lathe， for metal or wood cutting work， for HVAC applications to measure fan speed and other application that needed rotational speed measurements.

Features:

• Tested according to European international guidelines and standards (CEMarking)

• Wide measuring range of 2.5~99，999RPM

• High accuracy up to ±0.05%

• High Resolution

• Long detecting distance up to 500mm(20 inch) with Laser

• Large 5 digits LCD Display

• Auto testrange select

• Use Microcomputer LSI circuit and crystal time base offering high accuracy and quick measurement time

• Highly accurate， displays exact RPM with no guessing errors

• With fraction of minute sampling time(0.8 sec)

• Maximum， Minimum and Last Measuredvalue

• Low battery indication

• Durable & Reliable

• LCD Display :  5 digits， 18mm (0.7")LCD with Function Annunciation

• Test Range :  2.5 to 99，999 RPM(r/min)

• Resolution :  0.1 RPM (2.5 to 999.9RPM)

• 1 RPM (over 1，000 RPM)

• Accuracy :  ±(0.05% + 1 digit)

• Sampling Time :  0.8 sec. (over60 RPM)

• Test range selection :   Automatic

• Memory : Max. value， Min. valueand Last value

• Detecting Distance:

• 50~200mm / 2~10 inches (LED)

• 50~500mm / 2~20 inches (Laser)

• Time Base :  Quartz Crystal

• Circuit :  Exclusive one-chip of microcomputerLSI Circuit

• Power Supply :  9V Battery (included)

• Power Consumption:

• Approx. 35mA (LED)

• Approx. 30mA (LED)

• Operating Temperature:  0~50°C (32~122°F)

• Size :  131 x 70 x 29 mm

• Weight :  160g (including batteries)

Set Includes:

• 1 x DigitalTachometer

• 2 x 600mm Reflective Tape Mark

• 1 x 9V Battery (FREE)

• 1 x Protective Carrying Case

• English Quick Start Guide

• Standard Factory Package