Hioki MR8740-50, Instruction Manual

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1
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
Basic instructions and specifications of the
instrument

–
Instruction Manual (this
document)
Functions and instructions for the instrument –

Notations
*
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 shown in boldface.
[ ]
Menus, dialog boxes, buttons in a dialog box, and other names on the screen are
indicated in brackets ( [ ] ).
Windows
Unless otherwise specified, “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.
Accuracy
We define 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.
Introduction