Shaanxi Sibeier(Sbe) Electronic Technology Co., Ltd.
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DT-6235B Portable Speed Indicator Digital Tachometer
Precautions:
1. As this digital tachometer belongs to hand-held instrument, the measured value may exist inevitable human error due caused by shaking of the operator's arm. Therefore, the operator’s hands should be steady and the force should be appropriate when measuring. It is necessary not only to avoid the top is too loose, resulting in the error of sliding and throwing, but also to avoid too tight top, damaging the tachometer; ensure there’s no relative sliding between the tachometer shaft and the measured shaft shall prevail. For some special measured objects, it is recommended that users fix the meter when necessary before measuring.
2. During the test, the center of the test shaft of the tachometer and the shaft under test should be on the same horizontal line, and the head of the meter should bear the shaft.
3. Before using, we can put some lubricating oil (clock oil) the tachometer, can inject from the oil filling hole of the housing and range switch.
4. After the instrument is used, it should be wiped clean and placed in a place where it cannot be directly exposed to sunlight, away from heat sources, and pay attention to moisture and corrosion protection.
5. If the meter will not be used for a long time, please remove the battery to prevent battery leakage and damage to the meter.
Features of DT-6235B Portable Speed Indicator Digital Tachometer
It is used the microcomputer (CPU) technique and junction laser technique.
Wide measuring range and high resolution.
Low battery voltage indication.
The tachometer can be connected 6V direct current stable voltage power in favor of using for long time.
The last displayed value/max. Value/min. Value can be automatically stored in memory and 96s of measured value continuously.
The instrument is delicate and rugged. It uses the durable, long-lasting components and a strong, light weight ABC plastic housing.
Specifications of DT-6235B Portable Speed Indicator Digital Tachometer
| Special function | DT-6235B |
| Measuring way | Contacted |
| Resolution | Rotation speed: 0.1RPM(r/min)(0.5~999.9RPM) 1RPM(r/min)( over 1000RPM) Surface speed: 0.01m/min(0.05~99.99m/min) 0.1m/min(over 100m/min) 0.1ft/min (0.1~999.9ft/min) 1ft/min (over 1000ft/min) |
| Sampling time | 0.8(over 60RPM ) |
| Range selection | Auto switch |
| Power Consumption: | Max. 45mA |
| Memory | Auto memory Max./Min. last value and auto store 96teams data |
| Time Base | 6MHz Quartz crystal |
| Accuracy of time base | 10×10-6 (0℃~50℃) |
| Battery | 4X1.5V AA Size Battery or to external DC 6V |
| Max. display | 99999 |
| LCD size | 5digits, 18mm high |
Technical parament of DT-6235B Portable Speed Indicator Digital Tachometer
| Basic function | Range | Basic accuracy |
| Contact rotation speed | 0.5~19,999RPM (r/min) | ±(0.05%+1 digit) |
| Contact surface speed(Metric ) | 0.05~1999.9m/min (m/Min) | ±(0.05%+1 digit) |
| Contact surface speed(Imperial) | 0.2~6560ft/min (inch/min) | ±(0.05%+1 digit) |
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