Alarms - Hanna Instruments PCA 311 Instruction Manual

Bromine, ph, temperature, orp analyzers
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ALARMS

Two alarm setpoints are available for ORP: Alarm high and
Alarm low.
The ALARM LED and relay are activated when the ORP value
is higher than Alarm high or lower than Alarm low.
To modify the alarms
setpoints, enter the
"ORP Menu"-"Alarms
ORP" menu and edit
Alarm Hi value or
Alarm Lo value.
The alarms could be separately activated or inactivated.
To modify the alarms status, enter "ORP Menu" - "Alarms
ORP" menu and edit "Alarm Hi" status or "Alarm Lo" status.
When the status is set to "Inactive", the alarm is ignored.
Note:
The Alarm high value must be greater than Alarm low value.
The analyzer display a warning if the settings are incorrect.
The Alarm high setpoint and Alarm low setpoint could be
quickly consulted on one ORP measuring panel. When an
alarm is disabled, the —— is displayed instead of alarm value.
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Pca 321Pca 331

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