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For sale is a USED,Extech 461895 Combination Photo/Contact Tachometer. Some wheel may be missing.
Unique display where characters reverse direction depending on measurement
mode you are in
Large 0.4" 5 digit LCD digital display
Microprocessor based with quartz crystal oscillator to maintain high
accuracy
Tachometer memory stores last, max and min readings
Provides wide RPM (photo) and Linear Surface Speed (contact) measurements
Microprocessor precision, Accurate to 0.05%
Permits readings to a resolution of 0.1 RPM in either photo or contact mode
RETAILS FOR OVER $250.00
Included Accessories
Wheels for linear surface speed or RPM measurements
4 - 1.5 volt AA batteries
Reflective tape
Carrying case
