Teledyne Mixchek - Helium / Oxygen mixture analyzer - Manual (Page 15)

MIXCHEK Setup
Teledyne Analytical Instruments 15
Setup
Installation of the analyzer includes:
• Unpack unit
• Mount unit
• Install sensor
• Install batteries (portable unit only)
• Make gas and power connections
• Calibrate and test the installation
Also covered in this section are battery issues, replacing the battery
and replacing micro-fuel cells.
2.1 Unpacking the Analyzer
The
MIXCHEK is shipped fully functional and ready to install
except for installing the oxygen sensor and batteries (portable unit only).
Carefully unpack the analyzer and inspect it for damage. Check that the
sensor is not leaking and that there is no sign of physical damage.
2.2 Mounting the Analyzer (Wall-Mount Unit)
The
MIXCHEK is designed to mount and operate in a general-
purpose area only. The instrument is not designed to accept or handle
hazardous gases.
CAUTION: USING OR MONITORING OXYGEN LEVELS ABOVE
ATMOSPHERIC COMPOSITION (20.9%) CAN BE
HAZARDOUS. WHILE OXYGEN IS NOT
COMBUSTIBLE OR EXPLOSIVE, ITS PRESENCE
ACCELERATES AND PROMOTES COMBUSTION.
HIGH LEVELS OF OXYGEN WILL MAKE MOST
MATERIALS COMBUSTIBLE INCLUDING METALS.
DO NOT USE OXYGEN LEVELS ABOVE 20.9% IN
THE PRESENCE OF ANY FLAME OR IGNITION
SOURCE.
Refer to Figure 2-1 and the Outline Drawing in the Appendix for
mounting dimensions. The location should be close to the process line to