Features: 5 digits 18mm (0.6") LCD Accuracy: ±(0.05%+1 digit) Sampling Time: 0.8sec(over 60RPM) Range Select: Auto-Ranging Test Base: Quartz crystal Operation TEM: 0 to 50°C Detecting Distance: 50 to 500mm (Laser)&50 to 250mm (LED) Measuring Range: Photo Tach: 2.5 to 99,999RPM Contact Tach: 0.5 to 19,999RPM Surface Speed: 0.05 to 1,999.9(m/min) Resolution: Photo Tach: 0.1RPM(2.5 to 999.99RPM)&1RPM(over 1,000RPM) Contact Tach: 0.1RPM(0.5~999.99RPM)&1RPM(over 10,000RPM) Surface Speed: 0.01m/min(0.05 to 99.99m/min)&0.1m/min(over 100m/min) Battery: 4x1.5V AAA battery Power Consumption: Approx 35mA(Laser)&Approx 45mA(LED) Color: black Length: 21.00cm Width: 7.50cm Height: 3.50cm Included: 1 x carrying case 1 x reflecting tape marks 1 x operation manual 1 x contact speed measurement fitting 3 x contact rotational speed measurement fitting
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