3 setting alarms (alarm) – Omega RD260A User Manual
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6.3 Setting Alarms (ALARM)
Alarms can be set on the measured data of any channel.
Up to four alarms (i.e. four levels) can be set on one channel.
After setting an alarm, and the measured value reaches the setpoint, the ALM LED will be
illuminated and an alarm printout will be made on the chart. (see subsection 4.5.3)
: High alarm
Occurs when a measuring value is over the alarm setpoint.
: Low alarm
Occurs when a measuring value is under the alarm setpoint.
: Difference high-limit alarm
Alarm is geneated when the difference between the measured
values of two channels is more than the alarm setting. (This
type of arlam can only be set when the corresponding channel
is of the DELT-type.)
: Difference low-limit alarm
Alarm is generated when the difference between the measured
values of two channels is less than the alarm setting. (This type
of alarm can only be set when the corresponding channel is of
the DELT-type.)
Key operation
Indication
Description
Enter the SET mode by pressing the [DISP] key for three
seconds. Select [
] by pressing the [
] key, and
press the [ENT] key.
Select a channel by the [
] key, and press the [ENT] key.
Select an alarm level by the [
] key, and press the [ENT]
key. Up to four levels can be set.
Select ON/OFF of the alarm settings by the [
] key, and press
the [ENT] key. Setting [
] shows [
] and ends
this setting.
NOTE Alarm settings are automatically canceled on the affected channel, when any of
the following changes occur:
• the input type (VOLT, TC, etc.) or input range (2 V, etc.) is changed.
• decimal point for scalling and square root setting is changed.
• minimum or maximum value of the recording span is changed (in case of
scaling and square root setting).
• minimum or maximum value of the scale is changed (in case of scaling and
square root setting).
Difference alarm setting (
,
)are canceled when any of the following changes
occur:
• the reference channel is changed.
• the input type or range of the reference channel is changed.
CH UP
Select a type of alarms by the [
] key, and press the [ENT]
key.
DISP
ESC
3 sec
CH UP
CH UP
CH UP
CH UP