The Menu " Calibration; Overview; Submenu " Zero Calibration - Dräger Polytron 7000 Instructions For Use Manual

The menu » Calibration «
The menu » Calibration «
The menu » Calibration « contains all functions needed for the calibration and adjust-
ment of the installed sensor.
Notes on handling the calibration gas and calibration accessories can be found in
the section "Maintenance" on page 42.

Overview

Information
Calibration
Settings
1)
The sensor shown in the overview serves only as an example and may differ from the sensor actually installed in the unit.
Submenu » Zero calibration «
The submenu » Zero calibration « contains the functions for calibrating / adjusting
the zero point of the installed sensor.
Zero-point calibration / adjustment
Calibration procedure (using an EC–H
Select the menu items » Calibration «, » Zero calibration « and » EC–H
order, pressing the »
OK
— The maintenance signal is transmitted on the analogue interface.
— The message » Supply zero gas with flow rate 500 mL/min" is displayed
Connect zero gas to the sensor (for some sensors, N
mation in the section "Maintenance" on page 42).
Select » Next « and press the »
— The current value and the expired time are now displayed.
When the displayed value has stabilised:
Select » Accept value « and press the »
— The message » Zero calibration running « is displayed
— The required value and the actual value are now displayed.
If these are correct as displayed:
56
Calibration
Zero calibration
Span calibration
Auto calibration
S sensor as an example):
2
« key after each selection.
« key.
OK
« key.
OK
Zero cal.
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EC–H
page 57
page 58
Span calibration
EC–H
S « in this
2
must be used – see infor-
2
page 56
1)
S
2 page 56
1)
S
2 page 57