DT-2859 Digital Photo Contact Tachometer Laser RPM Surface Speed Meter Speedometer

Applications:
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:
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.

General Specifications:
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 ~ 50C (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:45 x 195 mm (1.8 x 7.7 inch)
Weight:245 g / 0.540 lb(Not Including Batteries)

Package includes:
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