China Contact Tachometer, Surface Speed Meter (DT2235A), Find details about China Tachometer, Digital Tachometer from Contact Tachometer, Surface Speed Meter (DT2235A)
| Display | 18mm (0.6" ) White backlight LCD, 5 digits |
| Range | Contact Tach.: 0.5 to 19.999RPM( r/min. ) |
| Surface Speed: 0.05 to 1999.9m/min. | |
| Resolution | Contact Tach.: 0.1RPM(0.5 to 999.9RPM); 1RPM(over 1, 000RPM) |
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Surface Speed: 0.01m/min. (0.05 to 99.99m/min. ) 0.1m/min. (over 100m/min. ) |
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| Accuracy | ± (0.05%+1 digit) |
| Sampling Time | 0.5sec. (over 120 RPM) |
| Test Range select | Automatic |
| Battery | 4x1.5v AA size batteries ( included) |
| Power consumption | Approx. 45mA |
| Time base | 6MHz Quartz crystal |
| Time base accuracy | 10x10 -6 (0-50C) |
| Size | 160x72x37mm |
| Memory | Max. Value; Min. Value; Last Value, Can store 96s data |