model

DT-105A

DT-107A

measurement range

0.10-25,000rpm, Floating display after decimal point

Precision

±0.06rpm: 0.01--999.9rpm
±0.06rpm: 1,000.0-9.999.9rpm
Reading ± 0.006% ± 1 digit (maximum ± 2rpm): 10000-25000rpm

display

5-digit, 12mm high, LCD

5-digit, 10mm high, LED

unit of measurement

Speed: revolutions per hour, revolutions per minute,

Feet: feet per hour, feet per minute,

Miles: miles per hour,

Code: code/hour, code/minute,

Inches: inches/minute

Meter: meter/hour, meter/minute

Length, meters, centimeters, inches, feet, yards, all revolutions REV

storage system

13 readings are stored in the memory and retained for 5 minutes, including the last, maximum, minimum, and 10 special measurement values

Display update time

1 second (typical and commonly used)

identification

Optical coupling, 60 pulses per revolution

System Control

Single chip CMOS microprocessor

Out of range display

Flashing numbers

Power supply

Battery No. 5 (1.5V) x 2 cells

Insufficient voltage

The word 'LOBAT' flashes and appears

Display the word 'B'

Automatic power cut-off function

have

Battery usage time

About 65 hours

About 40 hours

Operating Temperature

0-45℃

decimal place

Floating display

construction

Die cast aluminum alloy casing

weight

400g

Overall dimensions mm

182×60×46

Warranty Period

a year

Standard Accessories

Cone shaped contact head, funnel shaped joint, extended shaft, 6-inch main wheel and contact joint

Portable case, certificate, user manual