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Teacher Developed Classroom Tested

• Accurate contact or non-contact RPM measurements
• Narrow laser light for long distance, non-contact tests
• Memory stores minimum and maximum readings
• Unique display reverses direction based on selected measurement type
The ExTech Combination Laser Photo/Contact Tachometer combines both contact and non-contact models for use in all applications. Contact applications include surface speed measurements for conveyor belts, flywheels and elevators. Non-contact applications include RPM measurements for fans, motors, and gears. The built-in laser allows for non-contact measurements from up to 6.5 feet from the target for improved safety and accessibility. This exceptional device is microprocessor based with quartz crystal oscillator to maintain high accuracy.
Characters on display reverse direction depending on contact or photo mode. Uses a laser for greater distance non-contact measurements up to 6.5ft(2m). Memory/readings button holds last reading for 5 min and recalls min/max readings. Low battery indicator. Features a large 0.4" (5 Digit) LCD display. Complete with wheels for linear surface speed or RPM measurements, four 1.5V AA batteries, 24" (600 mm) reflective tape and carrying case.
Specifications
Photo: 10-99,999 rpm
Contact: 0.5-19,999 rpm
Surface Speed: 0.2-6560 ft/min / 0.05-1999.9 m/min
Basic Accuracy: +-(0.05%rdg+1d)
Max rpm resolution: 0.1rpm
Laser: <1mW; Class 2 red laser diode (645nm approx.)
Measurement: 8.5" x 2.6" x 1.5" (210 x 67 x 38 mm)
Weight: 10.6 oz. (300g)
Warranty: 1 year

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