Meggitt VM600 Hardware Manual

VM600 MPS hardware manual (standard version) MAMPS-HW/E 7 - 21
Edition 17 - February 2018
Shaft relative expansion
PROCESSING MODES AND APPLICATIONS
7.9.4 Pendulum method
(1) Description
With this configuration a magnet on a lever arm is used to follow the movement of the shaft
collar (see Figure 7-17). The lever arm ratio (L1 / L2) enables the measuring range to be
extended well beyond that of a transducer used on its own.
ΔL = GAP
 GAP
i
where GAPi is the initial gap.
Figure 7-17: A measuring system using a pendulum with magnetic
head installed near a shaft collar
Proximity transducer
Short arm of lever
Shaft collar
Head of pendulum
(magnetic)
Vertical arm of pendulum
(long arm of lever)
Shaft
Pivot point

Meggitt VM600 Specifications

General

Brand	Meggitt
Model	VM600
Category	Measuring Instruments
Language	English