the measurtement 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 LCD 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-105AS | contact measuring | LCD | |
alternative | |||
DT-107AS | contact measuring | LED | more |
DT-205LS | contact measuring, non-contact | LCD | more |
DT-207LS | contact measuring, non-contact | LED | more |
The Tachometer is also available as DT-105A-12C with 12 inch (circumference) grooved measuring wheel or as DT-105A with 6 inch (circumference) rubber measuring wheel.
Measuring range: (floating decimal point) | Revolution: 0.1 – 25000 rpm; 6 – 9999.9 rph Speed: e. g. 0.02 – 3810 m/min; 0.9 – 99999 m/h; 0.6 – 99999 in/min; 0.05 – 12500 ft/min; 3 – 99999 ft/h; 0.02 – 4167 yd/min; 1.0 – 9999 yd/h; 0.0006 – 142.5 mil/h Length: 0.5 – 99999 cm; 0.005 – 99999 m; 0.1 – 9999.9 in; 0.01 – 99999 ft; 0.005 – 9999.9 yd |
Accuracy: | Revolution: 0 – 999.9 rpm (±0.1 rpm) ±1 digit 1000 – 9999.9 rpm (±1 rpm) ±1 digit 10000 – 25000 rpm (±0.01% of reading) ±1 digit Speed and length: ±0.4 % of reading, ±1 digit |
Measuring units: | Revolution: rpm; rph Total revolutions (counter): rev Speed: m/min; m/h; ft/min; ft/h; yd/min;yd/h; inch/min; in/h; mil/h Length: cm; m; inch; ft; yd |
Memory: | 13 readings (incl. MIN + MAX + Last reading) for 5 min after last use |
Resolution: | Length: 0.00508 m/Impulse (with 12 inch measuring wheel) Revolution: 60 Impulse/revolution |
Display: | 5 digit, LCD 12 mm |
Display update: | 1 sec |
Over range indicator: | Display is flashing |
Auto power off: | After 5 min of non-use |
Power supply: | 2 x 1.5 V Type AA; approx. 65 h continuous use |
Low battery indicator: | ”LO BAT” flashes at 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: | 183 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 12 inch circumference for measuring line speeds
Order number: 10003S
Shaft 75 mm long
Order number: 10008S