the measurement is carried out, as long as the measuring key is pressed

Contact measurement of revolutions, surface speed and length


Hand-held tachometer for accurate contact measurement of revolution of engines or shafts as well as surface speed and length e.g. belts and conveyer belts
Tachometer with LED display and many selectable units
High quality hand-held tachometer for professional use

Contact measurement of revolutions, surface speed and length
| Model | Application | Display | |
| DT-107A | contact measuring | LED | |
| alternative | |||
| DT-105A | contact measuring | LCD | more |
| DT-205L | contact measuring and non-contact | LCD | more |
| DT-207L | contact measuring and non-contact | LED | more |
| DT-2100 | contact measuring and non-contact | OLED | more |
All models are available with 12 inch (circumference) measuring wheels:
Grooved measuring wheel: e. g. Tachometer DT-107A-12C
Rubber measuring wheel: e. g. Tachometer DT-107AS (12″ circumference measuring wheel which is offered for safer and easier surface speed measurement by keeping the users hand farther from the moving surface and slowing down the rotational speed)
| Measuring range: (Floating decimal point) | Revolution: 0.10 – 25000 rpm; 6 – 99999 rph Speed: 0.02 – 3810.0 m/min; 0.9 – 99999 m/h; 0.6 – 99999 in/min; 0.05 – 12500 ft/min; 3 – 99999 ft/h; 0.02 – 4167.0 yd/min; 1.0 – 99999 yd/h; 0.0006 – 142.05 mil/h Length: 0.5 – 9999.5 cm; 0.005 – 99999 m; 0.1 – 9999.9 in; 0.01 – 99999 ft, 0.005 – 99999 yd |
| Accuracy: | Revolution: 0 – 999.99 rpm (±0.06 rpm) 1000 – 9999.9 rpm (±0.6 rpm) 10000 – 25000 rpm (±0.006 % of readings ± 1 digit) 6 – 99999 rph (±0.006 % of readings ± 1 digit) |
| Measuring unit: | Revolution: rpm; rph Total revolutions (counter): rev Speed: m/min; m/h; ft/min; ft/h; yd/min; yd/h; in/min; in/h; mil/h Length: cm; m; in; ft; yd |
| Memory: | 13 readings (incl. MIN + Max + last) for 5 minutes after last use |
| Resolution: | Length: 0.00254 m/impulse with 6 inch Measuring wheel revolution: 60 impulse/revolution |
| Display: | 5 digit, LED 10 mm |
| Display update: | 1 sec |
| Over range indicator: | Display is flashing |
| Auto power off: | After 10 s of non-use |
| Power supply: | 2 x 1.5 V type AA; approx. 40 h continuous use |
| Low battery indicator: | ”B” flashes in the display |
| Temperature range: | 5 – 45 °C |
| Air humidity: | 85 % RH, max. |
| Housing material: | Die-cast aluminium |
| Tripod fixing: | 1/4-20 UNC thread |
| Dimensions: | 182 x 60 x 46 mm (LxWxH) |
| Weight, net (gross): | Approx. 350 g (800 g) |
Specifications subject to change without notice!
Tip for contact measurement of revolutions (rpm)
Order number: 10006S
Tip for contact measurement of revolutions (rpm)
Order number: 10007S
Wheel with 6 inch circumference for measuring line speeds
Order number: 10002S
Extension shaft 75 mm long,
Order number: 10008S
Measuring Wheel (6 inch circumference) with special groove for measuring yarn and wire speeds
Order number: 10005S
Tachometer DT-107A with 2 batteries, carrying case, 2 rubber tips, 1 funnel, 1 rubber measuring wheel (6 inch circumference), 1 extension 75 mm, Certificate of Compliance with the order 2.1 according EN 10204 free of charge and operating instructions in German and English