MR8740T_Quick guide_eng_20191016H.pdf - 第8页
2 Introduction Symbols afxed to the instrument Indicates cautions and hazards. When the symbol appears on the instrument, read the corresponding topic in the Instruction Manual. Indicates the power button that switches …
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Introduction
Introduction
Thank you for choosing the Hioki MR8740T Memory HiCorder (Model MR8740-50). Preserve this
manual carefully and keep it handy to make full use of this instrument for a long time.
Following manuals are provided along with these models. Refer to manuals relevant to your
purpose.
Type Contents Printed PDF
Operating Precautions Information on the instrument for safe operation
–
Quick Start Manual
(This document)
Basic instructions and specications of the instrument
–
Instruction Manual Functions and instructions for the instrument –
Target audience
This manual has been written for use by individuals who use the product in question or who teach
others to do so.
It is assumed that the reader possesses basic electrical knowledge (equivalent to that of someone
who graduated from the electrical program at a technical high school).
Trademarks
• Microsoft and Internet Explorer are either registered trademarks or trademarks of Microsoft
Corporation in the United States and other countries.
• Any other products and company names are generally either trade names, registered trademarks
or trademarks of respective companies.
Safety notations
In this document, the risk seriousness and the hazard levels are classied as follows.
DANGER
Indicates an imminently hazardous situation that will result in death or serious
injury to the operator.
WARNING
Indicates a potentially hazardous situation that may result in death or serious
injury to the operator.
CAUTION
Indicates a potentially hazardous situation that may result in minor or moderate
injury to the operator or damage to the instrument or malfunction.
IMPORTANT
Indicates information related to the operation of the instrument or maintenance
tasks with which the operators must be fully familiar.
Indicates a high voltage hazard.
If a particular safety check is not performed or the instrument is mishandled,
this may give rise to a hazardous situation; the operator may receive an electric
shock, may get burnt or may even be fatally injured.
Indicates prohibited action.
Indicates the action which must be performed.
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Introduction
Symbols afxed to the instrument
Indicates cautions and hazards. When the symbol appears on the instrument, read the
corresponding topic in the Instruction Manual.
Indicates the power button that switches the instrument between on and off states.
Indicates a grounding terminal.
Indicates DC (direct current).
Indicates AC (alternating current).
Symbols for Standards
Indicates the Waste Electrical and Electronic Equipment Directive (WEEE Directive) in EU
member states.
Indicates that the product conforms to regulations set out by the EU Directive.
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Introduction
Others
*
Additional information is presented below.
Indicates the initial setting values of the items. Initializing the instrument restores
settings to each of these values.
(p. ) Indicates the location of reference information.
START
(Bold-faced)
Names and keys on the screen are indicated in boldface.
[ ]
Menus, dialog boxes, buttons in a dialog box, and other names on the screen are
indicated in brackets ([ ]).
Windows
Unless otherwise specied, “Windows” represents Windows 7, Windows 8, and
Windows 10.
Current sensor Sensors measuring current are referred to as “current sensor.”
S/s
The number of times per second the analog input signals are digitized by the
instrument is represented in “samples per second (S/s).”
Example: “20 MS/s” (20 megasamples per second) indicates that the signal is digitized
20 × 10
6
times per second.
Notations
We dene measurement tolerances in terms of f.s. (full scale) and rdg. (reading) values, with the
following meanings:
f.s.
(maximum display value or scale length)
The maximum displayable value or scale length.
rdg.
(displayed value)
The value currently being measured and displayed on the measuring instrument.
setting
(setting value)
Indicates the value set as the output voltage, current, or other quantity.