DT105A (LCD) & DT107A (LED) Tachometers

Clark Solutions
DT105A (LCD) & DT107A (LED) Tachometers
Rotational & Surface Speed

DESCRIPTION
The DT series microprocessor technology has heralded a superior standard in tachometer accuracy and capabilities for measuring and recording rotational/linear/surface speeds and total length.

Offering unprecedented confidence via new improvements, the legendary DT-105A and DT-107A battery-operated tachometers still feature the same rugged, high quality components that have made them the benchmark in the industry. These user-friendly, value-packed units feature expanded memory storage, added length functions, free N.I.S.T. certificate and many standard accessories.

DT-107A

Features	Benefits
Multi-mode speed selection	Features 16 selections for optimum versatility
Outstanding accuracy (±0.006% of reading)	Provides reliable measurement results
Rugged aluminum construction	Built to stand the test of time and rugged usage
Direct length measurement	Offers value/versatility via added applications
Extensive speed range (0.10 - 25,000 RPM)	Maximizes usage in almost limitless applications
Large 5 digit display	Allows easy reading of numbers
Lengthy battery life (40 - 60 hours)	Advanced power management enables longer operating times
Large 10 test memory capacity (selectable to 5 minutes or more)	Stores last/min/max and 10 additional readings for thorough equipment and process inspection
Total revolution display	Enables rotation counting during process analysis
Free N.I.S.T. certificate	Permits easy compliance with regulations
CE mark	Compliant with applicable EU directives
Minimum shaft loading overspeed protection	Prevents potential instrument damage

FOR YOUR CONVENIENCE, THESE ITEMS ARE AVAILABLE ONLINE, OR PLEASE CALL 1-800-253-2497 TO ORDER
Model	DT-105A	DT-107A
Measuring Range	0.10 - 25,000 RPM with floating decimal
Accuracy	±0.06 RPM : 0.10 - 999.99 RPM; ±0.6 RPM : 1,000.0 - 9,999.9 RPM
	±0.006 % of reading ±1 digit (or 3 RPM max.) : 10,000 - 25,000 RPM
Display	5 digit 0.47" (12 mm) high LCD	5 digit 0.4" (10 mm) high LED
Measuring Units	Revolutions : RPH,RPM Feet : FPH,FPM Miles : MPH
	Yards : YPH,YPM Inches : IPM Meters : mPH, mPM
	Length : m, cm, inches, feet, yards Total Revolutions : REV
Memory	13 readings are stored in memory and retained for 5 minutes (last, max., min. and 10 extra measurements)
Display Update Time	1 second (typical)
Detection	Optical coupler, 60 pulses/rev.
System Control	Single-chip C-MOS microprocessor
Over Range Indicator	Flashing numerals
Voltage Requirement	2 AA 1.5 V batteries
Low Battery Indicator	Flashing "LO BAT" display	"B" display
Auto Power Shut-Off	Yes
Battery Life	65 hrs approx.	40 hrs approx.
Operating Temperature Range	32° - 113° F (0 - 45° C)
Decimal Point	Floating
Construction	Die-cast aluminum housing
Weight	0.9 lb (400 g )
Dimensions	7.2" L x 2.4" W x 1.8" H (182.5 mm x 60 mm x 46 mm)
Warranty	1 year
Standard Accessories
2 cone adapters, 1 funnel adapter, 1 3-1/2" extension shaft, NIST certificate, carrying case, 1 master wheel (6" cir.)
Optional Accessories
Wire/yarn fixture, 6" circumference grooved wheel
Note: For models calibrated for use with a 12" circumference wheel (for measuring surface speeds) instead of 6", add suffix S12 to part number. Use a 12" wheel for high surface speed applications. Example: DT-105A-S12

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For assistance call 978-568-3400