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Measuring Range 1.00 - 99,999 rpm
Resolution .01 from 0 - 100
.1 from 100 - 1,000
1 from 1000 - 99,999
Accuracy ± 0.02% of reading or 0.01 digit (under 50)
Display 5 - Digit LCD, 10mm high
Decimal Point Automatic
Memory System Maximum, minimum, and last reading (retained in memory for the life of the batteries)
Measurement System Visible LED light beam
Sensing Distance Up to 24 inches (60 cm)
Display Update Time 0.5 seconds or one measuring
Auto Power Off After 30 seconds of non-use (minimum, maximum and last reading retained in memory)
Battery Life 40 hours continuous use
Battery 2 AA (1.5 V) or rechargeable
Weight 6 ounces (170 grams)
Housing Material ABS Plastic housing with removable protective rubber shell
Operating Temperature 32 to 122° F (0 to 50° C)
Storage Temperature -4 to 150° F (-20 to 70° C)
Accessories included 10 Strips of 1/2 x 4 inch reflective tape