Photo contact tachometer DT-2858
Used to measure rotative velocity, surface speed, frequency of motor. Applicable to the product departments of motor, fan, paper-product, chemical fiber, washing-machine, automobile, airplane, steamer etc.
Features:
* Multifunctional, one instrument combines PHOTO TACH.(RPM) & CONTACT TACH. (RPM , m / min, ft / min ).
* Digital display with no guessing errors.
* Wide measuring range and high resolution.
* The last value / max. value / min. value will be automatically stored in memory.
* The use of durable, long-lasting components, including a strong, light weight ABS-plastic housing assures elegant shape and ease of use.
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Measuring Range |
Laser |
2.5 ~ 99,999 r / min |
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Contact |
0.5 ~ 19,999 r / min |
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Surface Speed |
0.05 ~1999.9 m/ min 0.2 ~6560 ft/ min |
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Resolution |
Rotative Velocity |
0.1 r / min (0.5 ~ 999.9 r / min) 1 r / min (Over 1000 r / min ) |
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Surface Speed |
0.01 m/ min (0.05 ~99.9 m/ min) 1 m/ min (Over100 m/ min ) Or0.1 ft/ min (0.1 ~999.9 ft/ min) 1 ft/ min (Over1000 ft/ min ) |
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Accuracy |
± (0.05% n + 1 d) |
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Sampling Time |
1.0 s （Over 60 r / min ） |
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TestRangeSelect |
Automation |
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Memory |
Max / Min / Last Value |
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Time Base |
Quartz Crystal |
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Laser Tach Detecting Distance |
50 ~150 mm/ 2 ~ 6 inch (Typical), Max.300 mm/ 12 inch |
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Power Consumption |
90 mA （Testing） |
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Operating Temperature |
0 ~50 °C |
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Power Supply |
4 x 1.5 V AA size (UM-3) battery |
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Dimensions |
215 x 74 x32 mm |
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Weight |
200 g（Including Batteries） |
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Standard Accessories :
1. Main Unit
2. Carrying Case(B01)
3. Operation manual
4. Reflective tape350mm
5. Cone Adapter(AS35A)
6. Funnel Adapter(AS35B)
7. Surface speed test Wheel(AS35C)