Tachometer CEM AT-8

Tachometer CEM AT-8 AT-8 High Accuracy Tachometers AT-8 Digital Tachometer provides fast and accurate contact and Non-contact RPM and surface speed measurements of rotating objects. Features: 1.Wide measurement range and high resolution 2.40 readings memories 3.Built-in laser pointer 4.5 digits LCD display Specifications: Contact test range 2 to 20, 000 RPM Non-contact test range 2 to 99, 999 RPM Tot test range 1 to 99, 999 RPM Accuracy ± ( 0.05% + 1digit) Resolution 0.1RPM( 2 to 9999.9RPM) 1RPM ( over 10000 RPM) Sampling time 0.5 sec.( over 120 RPM) Detecting distance 50mm to500mm Time base Quartz crystal Power consumption Approx.45mA Battery 9V