Precision instruments for inspecting components of fuel equipment:
Model PR7

The model PR7 instrument is intended to be used for measuring the diameter of the opening in the plunger’s bushing. Measurements are taken along the entire length of the opening.

The instrument is furnished with a few set-ups for specific standard sizes of plunger’s bushings.

Main Technical Data:

Diameter range of measurable openings, mm.: from 8 up to 16
Maximum length of a normalized part of the opening being measured, mm.: 80
Principle of operation: Inductive, contacting
Measurement method: Comparison with a Standard
Reading discreteness, mm.: 0,0001
Indication range, mm.: from -0,2 up to +0,2
Number of sorting groups: 99
Main measurement error permissible limit, mm.: 0,0002