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Model DT-105A |
SHIMPO INSTRUMENTS |
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Handheld Contact |
Instruction Manual |
LCD Digital Tachometer |
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Features
The Shimpo DT-105A is a battery operated, handheld, microprocessor-controlled contact type tachometer. It incorporates the latest micro-circuit technology and offers:
!Multi-mode capability – measures RPM, FPM, YPM, mPM and other units without special accessories
!Large memory capacity
!Wide speed range with automatic floating decimal point
!C-MOS single chip microprocessor for high reliability and low maintenance
!Rugged construction - die-cast aluminum housing
Specifications
MODEL |
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DT-105A |
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Display Range |
0.10 to 25,000 rpm with floating decimal |
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Accuracy |
±0.06 rpm: 0.10 to 999.99 rpm |
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± 0.6 rpm: |
1,000.0 to 9,999.9 rpm |
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±0.006% of reading ±1 digit (or ±2rpm max.): 10,000 to 25,000 rpm |
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Display |
5 digit 0.47" (12mm) high LCD |
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Measuring Units |
Revolutions: RPH, RPM Feet: FPH, FPM Miles: MPH |
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Yards: YPH, YPM |
Inches: IPM |
Meters: mPH, mPM |
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Length: m, cm, inches, feet, yards |
Total revolutions: REV |
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Memory System |
13 readings are stored in memory and retained for |
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5 minutes (last, max., min. and 10 extra measurements) |
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Detection |
Optical coupler , 60 pulses/rev |
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System Control |
Single chip C-MOS microprocessor |
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Over Range Indicator |
Flashing numerals |
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Update Time |
1 second (typical) |
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Batteries Included |
Size: 2 AA 1.5V |
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Life: Approx. 65 hrs |
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Low Voltage Indicator |
Flashing “LO BAT” display |
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Operating Temperature |
32° to 113°F (0° to 45°C) |
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Construction |
Die-cast aluminum housing |
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Weight |
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0.9 lbs (400g) |
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Dimensions |
7.3"L x 2.4"W x 1.8"H (185mm x 60mm x 45.7mm) |
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Warranty |
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1 year |
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STANDARD ACCESSORIES |
2 cone adapters, 1 funnel adapter, 3-1/2" extension shaft, |
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carrying case and 1 master wheel (6" cir.) |
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Range and Accuracy
Using the 6" master wheel and proper mode selector switch, the following industrial units of measurement are achieved.
MODEL |
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DT-105A |
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R: REVOLUTIONS |
SINGLE RANGE |
ACCURACY |
RESOLUTION |
Contact RPM (rev./min.) |
0.10 - 999.99 |
± 0.06 |
0.01 |
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1,000.0 - 9,999.9 |
± 0.6 |
0.1 |
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10,000 - 25,000 |
±0.006% of reading ±1digit |
1 |
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(or ±2 rpm max.) |
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Contact RPH (rev./hour) |
6 - 99,999 |
±0.006% of reading ±1digit |
1 |
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(or ±6 rpm max.) |
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REV (total revolution) |
0.1 - 9,999.9 |
± 0.1 |
0.1 |
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10,000 - 99,999 |
± 1 |
1 |
F: FEET |
SINGLE RANGE |
ACCURACY |
RESOLUTION |
F/M (feet/min) |
0.05 - 999.99 |
± 0.06 |
0.01 |
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1,000.0 - 9,999.9 |
± 0.6 |
0.1 |
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10,000 - 12,500 |
± 1 |
1 |
F/H (feet/hour) |
3 - 99,999 |
±0.006% of reading ±1digit |
1 |
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(or ±6 FPH max.) |
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FT (length) |
0.01 - 999.99 |
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0.01 |
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1,000.0 - 9,999.9 |
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0.1 |
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10,000 - 99,999 |
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1 |
Y: YARDS |
SINGLE RANGE |
ACCURACY |
RESOLUTION |
Y/M (yards/min.) |
0.02 - 999.99 |
± 0.06 |
0.01 |
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1,000.0 - 4,167.0 |
± 0.3 |
0.1 |
Y/H (yards/hour) |
1.0 - 9,999.9 |
±0.6 |
0.1 |
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10,000 - 99,999 |
±0.006% of reading ±1digit |
1 |
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(or ±6 YPH max.) |
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YRd (length) |
0.005 - 99.995 |
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0.005 |
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100.00 - 999.99 |
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0.01 |
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1,000.0 - 9,999.9 |
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0.1 |
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10,000 - 99,999 |
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1 |
I: INCHES |
SINGLE RANGE |
ACCURACY |
RESOLUTION |
I/M (inches/min.) |
0.6 - 9,999.9 |
±0.6 |
0.1 |
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10,000 - 99,999 |
±0.006% of reading ±1digit |
1 |
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(or ±6 IPM max.) |
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IN (length) |
0.1 - 9,999.9 |
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0.1 |
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10,000 - 99,999 |
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1 |
m: METERS |
SINGLE RANGE |
ACCURACY |
RESOLUTION |
m/M (meters/min.) |
0.02 - 999.99 |
± 0.06 |
0.01 |
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1,000.0 - 3,810.0 |
± 0.3 |
0.1 |
m/H (meters/hour) |
0.9 - 9,999.9 |
± 0.6 |
0.1 |
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10,000 - 99,999 |
±0.006% of reading ±1digit |
1 |
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(or ±6 mPH max.) |
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m (length) |
0.005 - 99.995 |
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0.005 |
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100.00 - 999.99 |
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0.01 |
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1,000.0 - 9,999.9 |
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0.1 |
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10,000 - 99,999 |
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1 |
cm (length) |
0.5 - 9,999.5 |
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0.5 |
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10,000 - 99,999 |
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1 |
M: MILES |
SINGLE RANGE |
ACCURACY |
RESOLUTION |
M/H (miles/hour) |
0.0006 - 9.9999 |
± 0. 0006 |
0.0001 |
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10.000 - 99.999 |
± 0.006 |
0.001 |
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100.00 - 142.05 |
± 0.01 |
0.01 |
NOTE: When using master wheel, accuracy can be affected as much as 0.3% of reading
CAUTION: Although tachometer alone is able to achieve above ranges, the master wheel has a maximum speed limitation of 5,000 FPM (for safety reasons).
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