Hioki 8420-51 Instruction manual

MEMORY HiLOGGER
QUICK START MANUAL
8420-51
8421-51
8422-51

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Contents
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APPX
IDX
Contents
Introduction .................................................................. 1
Safety Notes ................................................................ 2
1 Identification of Controls and Indicators 3
1.1 Identification of Controls and Indicators ............. 4
2 Display Screen and Setting Items 9
2.1 Status Screen ..................................................... 9
2.2 Channel Screen ................................................ 10
2.3 Waveform Screen ............................................. 11
3 Measurement Examples 13
3.1 Voltage Measurement ...................................... 13
3.2 Temperature Measurement Using a
Thermocouple (K) ............................................. 25
3.3 Integrating the Pulse Output from a Power Meter
.......................................................................... 34

ii Quick Start Manual
Contents

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Introduction
• This manual is a quick reference source with examples for the
8420-51, 8421-51, 8422-51 MEMORY HiLOGGER for measure-
ment purposes.
For more detailed description of operations, refer to the Instruc-
tion Manual. In particular, before operating the instrument, be
sure to read carefully and understand the Safety Notes and
Chapter 2 "Measurement Preparations" (page 21) in the Instruc-
tion Manual.
• Refer to the Instruction Manual and the Communications/ Wave
Viewer Instruction Manual provided with this instrument.

2Quick Start Manual
Safety Notes
The following symbols in this manual indicate the relative impor-
tance of cautions and warnings.
Other Symbols
Indicates that incorrect operation presents an
extreme hazard that could result in serious injury or
death to the user.
Indicates that incorrect operation presents an
extreme hazard that could result in serious injury or
death to the user.
Indicates that incorrect operation presents a possi-
bility of injury to the user or damage to the instru-
ment.
Indicates advisory items related to performance or correct operation
of the instrument.
Indicates the prohibited action.
❖Indicates the reference.

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Identification of Controls
and Indicators 1

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1.1 Identification of Controls and Indicators
Quick Start Manual
1.1 Identification of Controls and Indicators
Front Panel
This is the 8420-51.

1.1 Identification of Controls and Indicators
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Buttons Operations
Displays the Status Screen.
Displays the Channel Screen.
Displays the Waveform Screen, and selects the dis-
play format of the Waveform Screen.
Prints measurement data stored in memory; while
measuring, starts and stops real-time printing.
Prints the screen (or creates a screen image file);
while measuring, prints the most recently logged data
value.
Feeds recording paper while pressed.
Displays the Monitor Screen.
Displays the File Screen (for loading and saving mea-
surement data).
Select and accept settings.
Move the blinking cursor up, down, left and right.
Scroll waveforms, move A-B cursors and search for
event markers.
Switches between scrolling waveforms, moving A-B
cursors and searching for event markers.
Displays the Channel Setup Window on the Waveform
Screen, for entering settings.
Changes the setting channel to the previous channel.
Changes the setting channel to the next channel.
Selects the range for each channel.
Selects the zero position for each channel.
Sets the time per division on the horizontal axis.
Starts measurement; while measuring, the LED above
the button is lit.
Pressing this button twice stops measurement.

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1.1 Identification of Controls and Indicators
Quick Start Manual
Upper
Eject button
Pressing this button
ejects the PC Card.
Pulse Probe Connector
(PULSE)
These are the pulse input ter-
minals, for connecting the
9641CONNECTION CABLE.
PC Card Slot
A PC Card can be
inserted here.
10BASE-T Ethernet Connector
The 9642 LAN CABLE can be
connected here.
RS-232C Connector
The 9612 RS-232C CABLE or 9721 RS-232C
CABLE can be connected here.
Upper Panel
Lower Panel
AC Adapter Connector
The AC adapter can be
connected here.
Power Switch (POWER)
Turns the power on and
off.
Contrast Adjustment Knob
(CONTRAST)
Adjusts display contrast.
External Trigger
Terminal (EXT TRIG)
External trigger source
input.
Trigger Output
Terminal (TRIG OUT)
Trigger signals are out-
put at these terminals.
GND Terminal
This is the signal ground
for use with the trigger
terminal.