This tachometer is used the microcomputer (CPU) technique, photoelectrical technique and LCD for one instrument combine PHOTO
TACH & MOTION & SURFACE MAR.
Large LCD display with backlight
Digital control adjust flash frequence
Low power consumption
Measure range: 60~39,999RPM
Coarse/Fine adjust amplitude:<1,000RPM Coarse adjust: ±10RPM
Fine adjust: ±0.1RPM
≥1,000RPM Coarse adjust:±100RPM
Fine adjust: ±1RPM
Resolution: <1,000RPM: 0.1RPM
10 commonly functions for rotational speed storage,
improves the efficiency of measurement. The intensity
of flashlight is increased 100% than DT2239B.
Battery: 4×1.5V AA battery