4430GB  

Instantaneous reading of revolutions per minute and of surface speed.
Rounded dial diameter 70mm. Scale graduation 40 ÷ 500.
For left or right revolution, the marker always moves to the same direction.
Precision ±5%.
Measuring capacity: revolutions 40 ÷ 50000 and metres 4 ÷ 5000 of surface speed.
Knurled ring for subdividing into 3 measuring fields:
1st Revolutions 40 ÷ 500 / m 4 ÷ 50 | 2nd revolutions 400 ÷ 5000 / m 40 ÷ 500 | 3rd revolutions 4000 ÷ 50000 / m 400 ÷ 5000
Provided with roller for finding the number of metres by dividing the surface speed by 10. Anti-magnetic, handy and easy to use.
Do not lubricate.

Supplied with the following accessories:
1 rubber pointer, taper pointed, with coupling support.
1 rubber pointer, big funnel.
1 roller with flat strip and throat for cord, for surface speed and no. of revolutions for shaft without hub.
4 soft rubber pointers, taper pointed, interchangeable.
Holding case.