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LCD Display vs LED Display
Dimensions
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Complete Kit
Specifications


 
CHE.DT-105A - CHE.DT-107A
Contact Tachometer

CHE.DT-105A (LCD MODEL)
CHE.DT-107A (LED MODEL)
CHE.DT-107A-12 (LED MODEL with 12" Circumf. Wheel)
0.10 - 25,000 RPM

Accurately measure rotational and surface speed, as well as length. Built-in selector switch permits the user to display readings in a wide variety of engineering units. The CHE.DT-107A-12 includes a 12" circumference measuring wheel which is offered for safer and easier surface speed measurement by keeping the users hand farther from the moving surface and slowing down the rotational speed. 

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reddot Features
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bluedot Built-in memory for last, maximum, minimum and 10 separate readings
bluedot Rugged cast aluminum housing
bluedot Includes Traceable calibration Certificate

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CHE.DT-209X with accessories

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reddot LCD Display vs LED Display
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Optional 12" Wheel for Large Diameter Cables, Tapes & Bands



Tachometer Accessories



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reddot Dimensions
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reddot Related Products
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CHE.DT-205L - CHE.DT-207L
Contact & Non-Contact Tachometer
related

bluedot High-precision laser measures from distances up to 14 feet

  
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CHE.DT-TRI-HD
Tripod for Tachometers and Stroboscopes
related

bluedot Expands from 10 1/2" to 40"

 

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reddot Complete Kit
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All models are supplied as a complete kit including 6" circumference surface speed wheel, two cone tip adapters, funnel tip adapter, shaft extension, two AA batteries and and an operating instruction manual - all supplied in a foam-fitted carrying case.
complete kit

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reddot Specifications
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Display Range 0.10 to 25,000 rpm with floating decimal 
Accuracy 0.10 to 999.99 rpm: ±0.06 rpm
1,000.0 to 9,999.9 rpm: ±0.6 rpm
10,000 to 25,000 rpm: ±0.006% rpm 
Measurement Units  
per Minute Revolutions, Meters, Yards, Feet, Inches 
per Hour Feet, Yards, Miles, Meters, Revolutions 
Total Revolutions, Centimeters, Meters, Yards, Feet, Inches 
per Second Revolutions, Inches, Feet, Yards, Centimeters (optional, inquire) 
Memory System 13 readings are stored in memory and retained for 5 minutes
(last, max., min., and 10 measurements) 
Over-Range Indicator Flashing numerals 
Detection Optical coupler, 60 pulses/rev 
Update Time 1 second (typical) 
Batteries Size: 2 1.5 V AA
Life: Approx. 65 hrs. (CHE.DT-105A)
Life: Approx. 40 hrs. (CHE.DT-107A) 
Low Voltage Indicator Flashing "LO BAT" display (CHE.DT-105A)
"B" display (CHE.DT-107A) 
Operating Temp 32° to 113° F (0 to 45° C) 
Weight 0.9 pounds (400 grams) 
Dimensions 7.3" L x 2.4" W x 1.8" H 
Warranty 1 year 
Accessories Included 2 cone adapters, 1 funnel adapter, 3-1/2" extension shaft, 1 surface speed wheel (6" circumference), carrying case, operating instructions 






 



 

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