Photo tachometer DT-2857
Used to measure rotative velocity, frequency of motor. Applicable to the product departments of motor, fan, paper-product, chemical fiber, washing-machine, automobile, airplane, steamer etc.
Features:
* Measuring RPM is safe & accurate
without attachment to object.
* 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.
|
Measuring Range |
2.5 ~ 99,999 r / min |
|
Resolution |
0.1 r / min (2.5 ~ 999.9 r / min) 1 r / min (Over 1000 r / min ) |
|
Accuracy |
± (0.05% n + 1 d) |
|
Sampling Time |
1.0 s （Over 60 r / min ） |
|
TestRangeSelect |
Automation |
|
Memory |
Max / Min / Last Value |
|
Time Base |
Quartz Crystal |
|
Laser Tach Detecting Distance |
50 ~250 mm/ 2 ~ 10 inch (Typical), Max.600 mm/ 14 inch |
|
Power Consumption |
80 mA （Testing） |
|
Operating Temperature |
0 ~50 °C |
|
Power Supply |
4 x 1.5 V AA size (UM-3) battery |
|
Dimensions |
145 x 74 x32 mm |
|
Weight |
260 g（Including Batteries） |
Standard Accessories :
1. Main Unit
2. Carrying Case(B01)
3. Operation manual
4. Reflective tape350mm