Diesella Digital Laser Tachometer with data logging and non-contact measurement

Digital tachometer, non-contact with data logging up to 100 groups. With MAX/MIN/AVG function and automatic power off after 30 sec. Non-contact meas.: 50 ~ 99999RPM ±(0.03%+2). Meas. distance: 50 ~ 250 mm. Size: 193 x 60 x 29 mm. Weight: 120 g. Battery: 4xAAA included.