DT-2859 Tachometer PHOTO CONTACT 2 in 1 Surface speed Frequency 2.5-99999 r/min
Used to measure rotative velocity, surface speed, frequency of motor. Applicable to the product departments of motor, fan, chemical fiber, washing-machine, automobile, airplane, steamer etc.
Features
* 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 output to connect with PC.
* Provide Bluetooth data output choice.
Model & Applications
|
Model
|
Photo
|
Contact
|
Surface Speed
|
Frequency
|
Cycle
|
Pulse Times
|
Pulse Distance
|
|
DT-2859
|
√
|
√
|
√
|
√
|
√
|
√
|
√
|
|
DT-2236
|
√
|
√
|
√
|
—
|
—
|
—
|
—
|
|
DT-2858
|
√
|
√
|
√
|
—
|
—
|
—
|
—
|
|
DT-2857
|
√
|
—
|
—
|
—
|
—
|
—
|
—
|
|
DT-2856
|
√
|
√
|
—
|
—
|
—
|
—
|
—
|
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 100 m/min)
|
|
Surface
Speed
|
0.01 m/min (0.05~99.9 m/min)
1 m/min (Over 1000 r/min)
|
|
0.1 ft/min (0.1~999.9 ft/min)
1 ft/min (Over 1000 ft/min)
|
|
Accuracy
|
±(0.05%n+1d)
|
|
Sampling Time
|
1.0s(Over 60 r/min)
|
|
Test Range Select
|
Automation
|
|
Memory
|
Max Value /Min Value /Last Value
|
|
Time Base
|
Quartz Crystal
|
|
Laser Tach
|
50~250 mm/2~10 inch(Typical)
|
|
Detecting Distance
|
Max 600 mm/24 inch
|
|
Power Consumption
|
80 mA (Testing)
|
|
Operating Temperature
|
0~50ºC(32~122ºF)
|
|
Power Supply
|
4x1.5V AAA Size (UM-4) Battery
|
|
Dimensions
|
Main Unit
|
140x72x34 mm(5.5x2.8x1.3 inch)
|
|
Sensor
|
Φ45x195 mm(Φ1.8x7.7 inch)
|
|
Weight
|
245g/0.540 lb(Not Including Batteries)
|
