SCHMIDT DT-2100 Tachometer (0.8 - 25000 rpm or 6 - 99999 rpm)

Measuring range (floating decimal point): 

+ Revolution (non-contact): 6 – 99999 rpm;

+ Revolution (contact): 0.8 – 25000 rpm;

+ Revolution (contact – low speed adapter): 0.10 – 10.00 rpm

+ Speed: e. g. 0.0 – 3810 m/min; 0.0 – 228.6 km/h; 0.6 – 150000 in/min; 0.0 – 12500 ft/min; 0.0 – 4166.6 yd/min; 0.0006 – 142.045 mil/h

+ Length: 0.0 – 99999 cm; 0.0 – 99999 m; 0.0 – 99999 in; 0.0 – 99999 ft, 0.0 – 99999 yd

Accuracy: 

+ Standard adapter: ± 0.006 % of reading, ±1 digit

+ Low speed adapter: 0.10 – 1.00 rpm: ± 0.06 rpm; 1.01 – 6.00 rpm: ± 0.60 rpm; 6.01 – 10.00 rpm: ± 1.00 rpm

Measuring units:

+ Revolution: rpm

+ Total rotations (counter): rev

+ Speed: km/h; m/min; ft/min; cm/min; yd/min; in/min; mil/h, rev/sec, m/sec, cm/s, in/sec

+ Length: cm; m; km; in; ft; yd

Laser, class 2: Output<1 mW, wavelength 650 nm, max. measuring distance 4 m

Memory: Internal memory for max. 1000 readings

Resolution: Length: 0.01905 m/impulse (with adapter), Revolution: 8 impulse/revolution (with adapter)

Output signal: USB

Display: OLED

Display update: 100 msec, 500 msec, 1 sec or 5 sec

Over range indicator: Display is flashing

Auto power off: After 1, 10 or 30 min of non-use

Power supply: 2 x 1.5 V type AA, battery life approx. 20 h at 20 % brightness or USB

Temperature range: 0 – 40 °C

Housing material: Polycarbonate

Tripod fixing: 1/4-20 UNC thread

Dimensions: 155 x 55 x 35 mm (LxWxH)

Weight, net (gross): Approx. 169 g (567 g)