Detail STROBOSCOPE DT2239B
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~ 19, 999RPM
Coarse/ Fine adjust amplitude: < 1, 000RPM Coarse adjust: ± 10RPM
Fine adjust: ± 0.1RPM
e1, 000RPM Coarse adjust: ± 100RPM
Fine adjust: ± 1RPM
Accuracy: ± 0.05%
Resolution: < 1, 000RPM: 0.1RPM
e1, 000RPM: 1RPM
Battery: 4x1.5V AA battery
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