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VP-420/421 Specifications Rev5.0
Introduction
Thank you for purchasing
Direct Output Vibration Pickup “VP-420” or “VP-421”.
Read this instruction manuals carefully to ensure the best performance and longest product
life of the device. In addition, pay attention to the cautions described below to use the
product safety.
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Caution
(1) Direct Output Vibration Pickup (hereinafter referred to as "pickup") is a device that
diagnoses various vibration for industrial equipment such as electric motors and pumps,
and consumer equipment. Do not use it for any other purpose.
(2) When wiring pickup, make sure that power supply source is "off" before performing the work.
(3) Signal line from pickup should not be bundled with the power line or the signal line that
generates noise but should be laid in a separate system.
Safety Precautions
It describes the items that you should follow in order to prevent harm to customers and
other people and damage to property, and to use this product safely. Please be sure to read
this instruction manuals and attached documents before use, and fully understand the
contents for use.
After reading this manual, be sure to place it in a location so that you can always refer to it.
Expressions of Safety Instructions
Indication
Meaning of Indication
Warning
Indicates the contents that may cause a dangerous situation of death
or serious injury if mishandled.
Caution
Indicates the contents that may cause serious injury or property
damage if mishandled.
Note
Describes cases where there is no risk of injury to the operator, but it
is expected to cause damage or failure to this product or other
equipment or devices.
* "Serious injuries" are those with residual aftereffects such as blindness, injury, burns, electric shock,
fractures, poisoning etc., and those requiring hospitalization or long-term hospital visits for treatment.
* "Minor injuries" are those that do not require hospitalization or long-term hospital visits for treatment
(other than the "serious injuries" above).
In addition to the danger level classification, this document also uses the following notation:
Memo: "Memo" describes supplementary explanations that could not be explained in the
text and information that is useful to know.
