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The CDT-2000HD Combination Hand-Held Digital Tachometer combines the best features of both contact and non-contact models to accurately measure RPM, surface speed and length.
When using the non-contact mode, rotational speed (RPM) is measured using a visible beam of light. The CDT-2000HD can be up to 24 inches away from the small piece of reflective tape that is affixed to the rotating element. In the contact operating mode, the speed is sensed by directly contacting the rotating device using the cone tip or surface speed wheel supplied with the instrument.
The CDT-2000HD's rugged construction, portability and outstanding features make It an ideal choice for maintenance personnel, machine operators or others in a wide variety of machinery and material handling applications.
Features:
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Measures speeds from 1.00 up to 99,999 rpm
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Accuracy of 0.02% with a resolution up to 0.01 rpm
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Built-in memory stores maximum, minimum, average and last reading for recall to the display
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Take accurate measurements from up to 24 inches away from rotating equipment
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NIST Certification included at no additional cost
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Molded Rubber Shell provides additional physical and environmental protection
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Now includes larger 6 inch circumference Surface Speed Wheel standard
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Can be set for use with 2 optional-sized surface speed wheels (12 in. or 10 cm circumference
The CDT-2000HD is supplied as a complete kit including:
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Gauge,
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Contact adapter,
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Cone tip adapter,
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6" circumference universal surface speed wheel,
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Reflective tape,
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NIST-traceable calibration certificate,
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Operating instructions and
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Foam-fitted, hard plastic carrying case.
Display and Controls: 
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Units of Measure Indicators show the user-selected units of measure.
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Contact Indicator shows if contact or non-contact operation is selected.
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Low Battery Indicator alerts the operator if the batteries are low.
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On-Target Indicator confirms that the measurements are reliable.
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Memory Indicators are illuminated when the maximum, minimum, average and last readings are recalled to the display for viewing.
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Measuring Ranges: RPM 1.00 – 99,999 rpm
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Resolution:
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.01 from 0 –100
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.1 from 100 – 1,000
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1 from 1000 – 99,999
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Accuracy: ± 0.02% of reading or ±1 digit
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Display: 5-Digit LCD, 10mm high
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Decimal Point: Automatic
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Memory System: Maximum, minimum, last and average reading (retained in memory for the life of batteries)
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Measurement System: Visible LED light beam, or contact adapter
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Engineering units:
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RPM
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Feet/min,
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inches/min and
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meters/min
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Feet,
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inches,
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meters
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Sensing Distance: Up to 24 inches (60 cm)
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Display Update Time: 0.5 seconds
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Auto Power Off: After 30 seconds of non-use (minimum, maximum, last and average reading retained in memory)
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Battery Life: 40 hours continuous use, approx.
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Battery Type: 2 AA (1.5V) or rechargeable
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Weight: 6 ounces (170 grams)
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Housing Material: ABS Plastic
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Operating Temperature: 32 to 122° F (0 to 50° C)
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Storage Temperature: – 4 to 150° F (–20 to 70° C)
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Accessories Included:
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Measuring Ranges
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RPM
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Speed
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6" Wheel
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0.10–1524 m/min
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0.40–5000 ft/min
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4.0–60.00 in/min
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0.10–25.40 m/sec
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0.10–83.33 ft/sec
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12" Wheel
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0.40–609.6 m/min
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0.40–2000 ft/min
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4.00–24.000 in/min
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0.10–10.16 m/sec
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0.10–33.33 ft/sec
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0.1 m Wheel
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0.10–1999 m/min
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0.40–6550 ft/min
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4.00–78.700 in/min
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0.10–33.30 m/sec
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0.10–109 ft/sec
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Length
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0 – 99,999 m
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0 – 99,999 ft
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0 – 99,999 in
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