Submenu " Instrument - Dräger Polytron 7000 Instructions For Use Manual

Submenu » Instrument «
The submenu » Instrument « can be used to make various instrument settings.
Pump
This group contains the setting functions for the pump.
– Flow fault on/off
— This function is used to activate and deactivate the generation of a fault if the
pump output is too low (flow fault).
Select the menu items » Settings «, » Instrument « and » Flow fault on/off « in this
order, pressing the »
OK
Select » Enable « or » Disable « and press the »
— If » Enable « is selected, a flow alarm is generated if the pump flow is insufficient.
The mass flow controller is factory-preset to 'ON'. We recommend changing this
setting only in exceptional cases.
Attention:
The mass flow controller of the pump must be switched on during safety-
relevant measurements!
— If » Disable « is selected, no flow alarm is generated if the pump output is too low.
– 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 maintenance signal is transmitted on the analogue interface, and the display
reads: » Flow alarm will be de-energised. Please use a flow meter «.
Connect a pump adapter and a flowmeter.
Select » Next « and press the »
Use the » « and »
M
flowmeter.
Note:
Choose the response time as low as possible and the pump output as high
as possible.
Select » Next « and press the »
— The flow thresholds are displayed –
Flow threshold for fault: 0.3 L/min (example)
Flow threshold for warning: 0.4 L/min (example)
If necessary, these flow thresholds can be changed:
Use the » « key to select the desired threshold and press the »
« key after each selection.
OK
« key after each selection.
OK
« key.
OK
« keys to set the pump output. Monitor the change on the
« key.
OK
« key to activate.
« key.
OK
The menu » Settings «
L/min
+
OK
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