PM-893 PVG 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 x1 position with
resolution of 1 RPM and 600 to 100,000 RPM in x10 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 x10 position. Accuracy ± 1
RPM. Operates on 6 V D.C., 4 internal dry cell batteries 1.5 V.
Dimensions 235x60x50 mm. Mass 350 gms.