Sub-Menu » Instrument - Dräger Polytron 7500 Instructions For Use Manual

The menu » Settings «
Sub-menu » Instrument «
The sub-menu » Instrument « can be used to make various instrument settings.
Pump
This function group contains the setting functions for the pump in the measurement
branch.
– Flow fault on/off
— This flow fault setting is not possible for the Polytron 7500.
– Pump output
— This function is used to set the pump output.
Select the menu items » Settings «, » Instrument «, » Pump « and » Pump output «
in this order, pressing the »
— The message: » Flow alarm will be switched off; please use a flowmeter « is dis-
played.
Connect a flowmeter.
Select » Next « and press the »
Use the » « and »
M
the flowmeter.
Select » Next « and press the »
— The flow thresholds are displayed –
Flow threshold for fault: e.g. 0.3 L/min
Flow threshold for warning: 0.4 L/min (example)
The flow thresholds cannot be changed for the Polytron 7500. If this setting is
attempted, on the value 0.3 L/min is accepted.
– Operating time
— This function is used to display the operating time of the pump.
Select the menu items » Settings «, » Instrument «, » Pump « and
» Operating time « in this order, pressing the »
— The actual operating time of the pump is displayed in hours.
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« key after each selection.
OK
« key.
OK
« keys to set the pump output, monitoring the change on
« key.
OK
« key after each selection.
OK
L/min
9023927 - 2nd edition - May 2007