Hioki LR8400-20 User manual

MEMORY HiLOGGER
Measurement Guide
LR8401-20
April 2010 Edition 1 LR8400B981-00 10-04H
LR8402-20
LR8400-20

Introduction
1
Thank you for purchasing the Hioki Model LR8400-20, LR8401-20, LR8402-20
Memory HiLogger.
This Measurement Guide consists of some basic application examples.
Before using the HiLogger, be sure to read the Instruction Manual carefully.
The following documents are provided with the HiLogger. Refer to them as appropriate for your application.
Contents
Introduction
Document Description
1Measurement
Guide
(This document)
Read first.
Offers an introduction to the Memory HiLogger's basic measuring
method for first time users.
2Instruction
Manual Contains explanation and instructions regarding the HiLogger's oper-
ating method and functions.
Operating Outlines and
Screen Configurations Describes the screen types and an overview of
the operating keys. (p. 2)
Measurement Prepara-
tions Describes the preparations for measuring. (p. 7)
Measurement Proce-
dure Describes procedures from pre-measurement in-
spection to observation. (p. 8)
Measuring This is an example of simultaneously measuring
and automatically saving variations in voltage
(CH1) and temperature (CH2) of a 1.5 V battery.
(p. 10)
Viewing Waveforms or
Numerical Values DescribesusingtheHiLoggertoview waveforms
and numerical values. (p. 14)
Observing Data on a
Computer Describes how to observe data with a computer. (p. 18)

Operating Outlines and Screen Configurations
2
Operating Outlines and Screen
Configurations
External Control
Terminals
•Pulseinputs
• Alarm outputs
• External control
(input/output)
• 12-volt output
•AlarmLED
Operating Keys
(Rear) Battery
Compartment
Universal Unit∗Voltage/Temp Unit∗
∗: Input units are installed as specified upon factory shipping.
Display Screen
Front Panel
CHARGE LED
Lights while charg-
ingtheZ1000Bat-
tery Pack.
POWER LED
Lights when
powered on.
AC Adapter Socket POWER Switch
Right Side
USB Cable Port
CF Card Slot Ethernet LAN Cable Connector (RJ-45)
USB Port

Operating Outlines and Screen Configurations
3
Operation Keys
WAVE/DATA
Selects among waveform/nu-
merical screen displays (p. 4).
SET
Displays the Settings screens,
and switches among the screen
tabs with each press (p. 5).
FILE
Displays file information (p. 6).
Choose a screen
Use SCROLL/CURSOR tose-
lect waveform scrolling or A/B
cursormotion,andusethe arrow
keys to scroll or move A/B cur-
sors (p. 15).
Scroll waveforms and
read cursor values
Start and stop measurement.
The LED next to START lights green while
measuring (p. 9).
Start and stop measurement
Press to save data manually.
Saving operations
CH
Select channels.
UNIT
Switches input units.
MONIT
Shows the current input wave-
form and numerical values (data
not stored in internal memory,
CF card, and USB flash drive).
ESC
Cancels changes to settings.
Cursor Keys
Moves the position
of the cursor (blink-
ing selection) on
the screen.
ENTER
Accepts displayed
settings.
Setup and display
Select the item to
change.
Show available set-
ting options.
Select the desired
setting.
Changing screen contents
Apply the new set-
ting, or cancel it.
Disables keypad operations
(Key-Lock function)
Hold the left and right keys
simultaneously for three
seconds to lock and un-
lock other key operations.
Zero Adjust
With the Waveform/Value
or [CH] screen displayed,
press the up and down cur-
sor keys simultaneously.
Basic Key Operations

Operating Outlines and Screen Configurations
4
[Wave] Screen
Measurement data is dis-
played as waveforms.
[Value+Cmnt] Screen
Measurementdataisdisplayedas
numerical values with comments.
[Wave+Calc] Screen
Measurement data is dis-
played as waveforms with cal-
culation results.
[Gauge+Wave] Screen
Measurement data is displayed
as waveforms with gauges.
[Wave+Value] Screen
Measurement dataisdisplayedas
waveforms and numerical values.
[Value] Screen
Measurement data is dis-
played as numerical values.
[Wave+Crsr] Screen
Measurement data is dis-
played as waveforms with cur-
sor values.
Waveform/Numerical Screens
Switches among the
above screens.
Operational informa-
tion is displayedalong
the bottom of the
screen.
The screen switch-
es each time you
press the key. (sev-
en display types)
[Gauge+Wave]
[Wave]
[Wave+Value]
[Value+Cmnt]
[Value]
[Wave+Calc]
[Wave+Crsr]

Operating Outlines and Screen Configurations
5
[CH] Screen
Make input channel settings
while viewing the monitor dis-
play.
[Conv/Calc] Screen
[Comment] Screen
Enter channel comments.
[Setting] Screen
Make settings for recording.
Set numerical calculation,
auto-saving and timers.
[Range] Screen
Make settings while viewing all
channel set.
[Trig & Alm] Screen
Recording criteria (triggering)
and warning sounds can be
set for each channel.
[System] Screen
Configure the system environ-
ment.
Settings Screens
Operationalinformation
is displayed along the
bottom of the screen.
Make these settings to convert
measured values to arbitrary
units for display.
Selects a measurement in-
put unit and its settings.
The screen switch-
es each time you
press the key. (sev-
en display types)
Press the left/right
keys to select be-
tween the Settings
screens.
When a tab is se-
lected with the cur-
sor, the left-right
cursor keys switch
among the setting
screens.

Operating Outlines and Screen Configurations
6
File Screen
View and manage files on the
CF card/USB flash drive.
File Screen
Operational information
is displayed along the
bottom of the screen.

Measurement Preparations
7
Follow these steps to prepare before measuring.
Measurement Preparations
Make the necessary connections to the HiLogger, and turn the power
switch on.
Install the battery pack (option) (as needed)
Rear panel When the battery pack is installed, operation switches to
batterypower during power outages so that measurements
can continue uninterrupted.
2
Connect the measure-
ment input cables
1InputExpansionUnits
(as needed)
If auto-saving to CF card or USB flash drive is disabled, data
is only recorded in internal memory, and is lost when measure-
ment starts again, or about 30 minutes after the HiLogger is
turned off. We recommend keeping auto-saving to CF card en-
abled.
7Insert an optional CF card or
USB flash drive (when saving
data)
5
Connecteachpairofinput
and output terminals
(as needed)
Connect the AC adapter
3
6
Turn the power on.
4
Front
Right
side
Right side
Right side

Measurement Procedure
8
Before measuring, be sure to read the "Operating Precautions" in the
Instruction Manual.
Measurement Procedure
Pre-measurement inspection Read "Pre-Connection Inspection"
in the Instruction Manual.
Connect to the measurement object
Configure settings for measurement
Configure recording settings
on the [Setting] screen.
• Recording interval
• Recording time
• Auto-saving (if used)
Make other settings as neces-
sary.
Configure input channel set-
tings on the [CH] screen.
• Channel selection
• Input type
• Measurement range
Make other settings as neces-
sary.
(continues on next page)