Tachometer DT2240B

Features:
* 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

Specifications:
1. Measure range: 60~39, 999RPM
2. Coarse/Fine adjust amplitude: <1, 000RPM
Coarse adjust: ± 10RPM
Fine adjust: ± 0.1RPM ≥ 1, 000RPM
Coarse adjust: ± 100RPM
Fine adjust: ± 1RPM
3. Accuracy: ± 0.05%
4. Resolution: <1, 000RPM: 0.1RPM
≥ 1, 000RPM: 1RPM
10 commonly functions for rotational speed storage, improres the effiiciency of measurement, The inetnsity of flashlight is increased100%
Than DT2239B.
5. Battery: 4x1.5V AA battery