TACHO METER CONTACT TYPE

With male, female and surface rubber centre. Male and Female rubber centres are useful for RPM measurements. Range of measurements from 60 to 10,000 RPM in x 1 position with resolution of 1 RPM and 600 to 100,000 RPM in x 10 position with resolution of 10 RPM.

Surface rubber centre is useful for measurement of surface speeds from 6.0 to 999.9 meters/minutes in x1 and 60 to 9999 meters/minute in x 10 position. Accuracy ± 1 RPM. Operates on 6 V D.C., 4 internal dry cell batteries 1.5 V. Dimensions 235 x 60 x 50 mm. Mass 350 gms.