Rion VM-55, Instruction Manual, Page: 3 / 204

i
Organization of this manual
This manual describes the features, operation and other aspects of the vibration
level meter VM-55. If the unit is used together with other equipment to confi gure
a measurement system, consult the documentation of all other components as well.
Pages iii and following contain important information about safety. Be sure to read
and observe these in full.
This manual contains the following sections.
Outline
Gives basic information on the confi guration and features of the unit, and
contains a block diagram.
Controls and features
Briefl y identifi es and explains all parts of the unit.
Preparations
Describes power supply and pre-use checks, installation, connections, key
settings, and other steps.
Reading the display
Explains symbols and other information shown on the display of the unit.
Measurement
Describes the steps for measurement.
This manual describes about the Vibration Level Meter VM-55 in which
the optional Extended Function Program VX-55EX was installed.
When the VX-55EX is installed, the following function is added to the
VM-55.
- Comparator output
- Auto / Timer Auto store
- Continuous data output by serial interface
- Installation of various optional program