DT2240B STROBOSCOPE

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
Accuracy:  ±0.05%
Resolution:  <1,000RPM:  0.1RPM
　　　　　　≥1,000RPM:  1RPM
10 commonly functions for rotational speed storage,
improves the efficiency of measurement. The intensity
of flashlight is increased 100% than DT2239B.
Battery:  4x1.5V AA battery

DT2239B STROBOSCOPE

1. Function
Measuring TACH and vibratilite frequency by noncontact, digital controlling adjust the flash frequency and low power consumption.
Display:  4 digits LCD display with backlight
Measuring range:  60~9,999RPM
Accuracy:  ±0.05%
Coarse/ Fine adjust amplitude:
＜1000RPM  Coarse adjust:  ±10RPM
　　　　　　Fine adjust:   ±0.1RPM
≥1000RPM  Coarse adjust:  ±100RPM
　　　　　　Fine adjust:   ±1RPM
Resolution:      ＜1000RPM:  0.1RPM
　　　　　　≥1000RPM:  1RPM
Power:  4×1.5V AA battery
Power consumption:  approx. 60mA
2. Packing
Dimension:  195×73×38mm
Wight:  Approx.200g