Hanna Instruments PCA 310 - Manual (Page 49)

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“Min. Rec” will set the
recorder lower limit
and “Max. Rec” will
set the recorder
higher limit. The Max.
Rec. value must be
greater than Min.
Rec. value.
The output will be proportional with temperature value if the
read value is between those limits.
The analog output limits could be quickly consulted in one of
the Temperature measuring panel.
ALARMS
Two alarm setpoints are available for temperature: Alarm high
and Alarm low.
The ALARM LED and relay are activated when the temperature
value is higher than Alarm high or lower than Alarm low.
To modify the alarms
setpoints, enter the
“Temperature Menu”
- “Alarms Tempera-
ture” and edit “Alarm
Hi” or “Alarm Lo”
value.
The alarms could be separately activated or inactivated.
To modify the alarms status, enter the “Temperature Menu” -
“Alarms Temperature” menu and edit “Alarm Hi” or “Alarm
Lo” status.
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 temperature measuring panel. When
an alarm is disabled, the —.— is displayed instead of alarm
value.