เครื่องวัดความเร็วรอบ รุ่น TC811B 

TC811B Digital Tachometer

Description

Laser + Contact type TC811B

Advantage:

* Enlarged LCD display with character height: 40mm

* Out power-supply input socket

* MAX / MIN / LAST value display

* 20 testing values storing

* Auto range

Specifications:

Laser: 2.5 ~ 99, 999 rpm

Contact: 0.5 ~ 19, 999 rpm

Surface speed: 0.05 ~ 19, 999 m/min

Resolution: 2.5 ~ 999.9 rpm: 0.1 rpm

1, 000 ~ 99, 999 rpm: 1 rpm

Surface speed: 0.01m/min (0.05 ~ 99.99m/min)

0.1 m/min (over 100m/min)

Accuracy: ± (0.05% + 1 digit)

Sampling time: 0.8 second

Measuring Distance: 2M