horiba OPSA-150, Instruction Manual

Page: 81 / 119

5 Functions
69
5.9 Alarm
An alarm is triggered when a malfunction occurs in the unit or the measurement value
exceeds the upper or lower limit.
Reference
"8.1 Table of Status and Operation" (page 95)
Items regarding alarm are as follows.
Note
As this unit calculates values using one digit under the least significant digit indicated as readings or
setting values, an alarm may not be triggered even if the displayed value is the same value set for
alarm.
5.9.1 Alarm Check
The instant alarm can be checked here.
1.
Press the [ALARM] on the MEAS. screen (main screen).
The ALARM screen appears.
The alarm information is displayed.
Tip
[RESET]: Stops the alarm.
If an instant alarm is not triggered, the ALARM button is not displayed.
Items of alarm Description
Alarm Check
（
5.9.1 page 69
）
Performs a check during the alarm.
Alarm Stop
（
5.9.2 page 70
）
Stops all alarms during the alarm.
Alarm History Check
（ 5.9.3 page 71 ）
Checks the alarm history of up to 511 records.
Alarm History Deletion
（
5.9.4 page 69
）
Deletes all of the alarm history.
[ALARM]