DT-2859 Tachometer
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 | Photo | Contact | Surface Speed | Frequency | Cycle | Pulse Times | Pulse Distance |
| DT-2859 | √ | √ | √ | √ | √ | √ | √ |
| DT-2236 | √ | √ | √ | — | — | — | — |
| DT-2858 | √ | √ | √ | — | — | — | — |
| DT-2857 | √ | — | — | — | — | — | — |
| DT-2856 | √ | √ | — | — | — | — | — |
| 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 | 4×1.5V AAA Size (UM-4) Battery | |
| Dimensions | Main Unit | 140x72x34 mm(5.5×2.8×1.3 inch) |
| Sensor | Φ45×195 mm(Φ1.8×7.7 inch) | |
| Weight | 245g/0.540 lb(Not Including Batteries) | |
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