Hioki LR8450, Instruction Manual

Page: 140 / 310

137
Checking Alarms
Unit Measure Channel Trigger Alarm Calculation System
4.2 Checking Alarms
This section describes how to check whether any alarms have occurred on the [Alarm] screen.
1
Press the WAVE key several times to display the [Alarm] screen.
22 33 44 55 66 77
2 2
4 4
1 1
3 3
1 1
ALM1 to ALM8 Red: Alarm output; Green: No alarm output
22
No. Alarm memory number (assigned in order that alarms occur, starting with 1)
33
ALM Alarm number (ALM1 to ALM8)
44
UNIT-CH Module and channel number
55
Error Type of error (thermocouple wire break, wireless communications error, low
battery)
66
Time of occurrence Time at which the alarm occurred
77
Time of cancellation Time at which the alarm was cleared
• The alarm memory stores up to 100 alarms.
• The communication interruption log (event record) is maintained regardless of alarm settings.
• Alarms occurring after the start of measurement are recorded in the log.
2
Under [Display alarm] , select the alarm number for which you wish to display an alarm
history.
The history for the selected alarm number ( [ALM1] to [ALM8] ) will be displayed.
ALL

, ALM1 , ALM2 , ALM3 , ALM4 , ALM5 , ALM6 , ALM7 , ALM8
To display all alarms, select [ALL] .
Scroll through the alarm history using the SCROLL/CURSOR keys.
3
(When you wish to review the waveform from when the alarm occurred)
Specify the alarm memory number and press the
ENTER key while [Jump] is selected.
The waveform starting at the time the specified alarm occurred will be displayed.
4
Alarm (Alarm Output)