Cosmos PS-7 - Chapter 2 - Changing Settings; 2.1 Span Adjustment

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DC-ITD-PS7MAN01.A www.dodtec.com
JAN 2019 815-788-5200
PS-7 Manual
Chapter 2 – Changing Settings
2.1 Span Adjustment
Toxic Gas Sensor Unit: CDS-7
Combustible Gas Sensor Unit: CHS-7
1. Set to maintenance mode
(MNT1 or MNT2)
Left: Maintenance 1 (MNT 1)
Center: Normal Mode
Right: Maintenance 2 (MNT 2)
2. Release the password Lock (Refer to 1.2 Releasing the Password Lock
3. Press the SPAN switch.
4. Let the calibration gas through
5. Use the UP/DOWN switch
to adjust the
concentration indication
on the screen to that of
the calibration gas
concentration
6. Once adjustments have been done, press the SPAN switch again. The SPAN indication in the
bottom right of the LCD screen will go off, and the span adjustment will be completed.