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| Optical Tachometer (Laser ) DT2234C |
| 5 large LCD display, character height 18mm Measuring range : 2.5-99999RPM Resolution : 0.1RPM (2.5 ~ 999.9RPM) 1RPM (1000RPM above ) Accuracy : ± (0.05% + 1 words) Sampling time : 0.5 seconds (120RPM more) Range selection : automatic switching Effective distance : 50mm ~ 500mm Working Current: 40mA max Memory : automatic memory maximum, minimum, last measured value Time Base : 6MHz quartz crystal Time Base Accuracy : 10X10-6 (0℃~50℃) Power : 3x1.5V AA batteries (DT2234A) 3x1.5V AAA batteries (DT2234C) Size : 160x72x37mm (DT2234A) 184x76x30mm (DT2234C) |