Pressure Safety; Connection Of Gas Supplies - Michell Instruments QMA401 User Manual

QMA401 User's Manual
2.5

Pressure Safety

!
!
DO NOT permit pressures greater than the specified safe working pressure to be applied
directly to the instrument.
!
2.6

Connection of Gas Supplies

Sample gas connections are made via the gas inlet and outlet 1/4" VCR ports located on
the rear panel of the instrument as shown in Figure 5 . All connections should be made
with high quality stainless steel tubing.
NOTE: No external gas couplings are supplied with the analyzer but can
be ordered as an accessory by contacting Michell Instruments - see www.
michell.com for contact details.
Michell Instruments
This product is used in conjunction with pressurized gases.
Observe pressurized gas handling precautions.
Pressurized gas is dangerous and should only handled by
suitably trained personnel.
For the calibration to remain valid the QMA401 must be
operated at the pressures specified on the calibration
certificate (typically a sample pressure of 1 barg (14.5
psig), with the outlet at atmospheric pressure). When using
the pressure control option, the cell pressure should never
exceed the maximum stipulated operating pressure of 1
WARNING:
WARNING:
barg (14.5 psig).
INSTALLATION
9