* Multifunctional, one instrument combines PHOTO TACH.(RPM) & CONTACT TACH. (RPM , m / min, ft / min ). It can also be applied to the measurement of Frequency, Cycle, Pulse Times, Pulse Distance, User-defined Pulse Distance, etc.
* 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.
* Use USB data out put and RS- 232 data out put to connect with PC.
* Provide Bluetooth data out put choice.

* Measuring Range:
Laser: 2.5 ~ 99,999 r / min
Contact: 0.5 ~ 19,999 r / min
Surface Speed: 0.05 ~ 1999.9 m / min 0.2 ~ 6560 ft / min
Frequency: 0.04~1666.65 Hz
* Resolution:
Rotative Velocity: 0.1 r / min (0.5 ~ 999.9 r / min);  1 r / min (Over 1000 r / min )
Surface Speed:   0.01 m / min (0.05 ~ 99.9 m / min);  1 m / min (Over 100 m / min );  Or 0.1 ft / min (0.1 ~ 999.9 ft / min);  1 ft / min (Over 1000 ft /min )
* Accuracy : ± (0.05% n + 1 d)
* Sampling Time: 1.0 s （Over 60 r / min ）
* Test Range Select: Automation
* Memory: Max / Min / Last Value
* Time Base: Quartz Crystal
* Laser Tach Detecting Distance: 50 ~ 250 mm / 2 ~ 10 inch (Typical), Max. 600 mm / 24 inch
* Power Consumption: 80 mA （Testing）
* Operating Temperature: 0 ~ 50 °C (32 ~ 122°F)
* Power Supply: 4 x 1.5 V AAA size (UM-4) battery
* Dimensions: Main Unit: 140 x 72 x 34 mm  ( 5.5 x 2.8 x 1.3 inch);Sensor: Φ 45 x 195 mm ( Φ1.8 x 7.7 inch)
* Weight: 245 g / 0.540 lb （Not Including Batteries）

Standard Accessories :

 1. Main Unit
 2. Sensor
 3. Carrying Case
 4. Operation manual
 5. Reflective tape 350mm
 6. Cone Adapter(AS35A)
 7. Funnel Adapter(AS35B)
 8. Surface speed test Wheel(AS35C)

Optional Accessories:

 1. USB, RS-232C data cable with software
 2. Bluetooth data out put with software