MSA Ultima X Series Installation & Maintenance Instructions Manual page 5

General Warnings and Cautions
1. The Ultima X Series Gas Monitors described in this manual must
be installed, operated and maintained in strict accordance with
their labels, cautions, warnings, instructions, and within limitations
stated. Verify that the class, group, and temperature ratings of the
equipment agree with the actual classification of the location.
2. The Ultima X Series Gas Monitor is designed to detect gases or
vapors in air. It cannot measure the concentration of gases or
vapors in steam or inert or oxygen-deficient atmospheres. The
oxygen sensor can measure oxygen-deficient atmospheres.
3. Electrochemical sensors are sealed units which contain a corrosive
electrolyte. Should a sensor develop leakage, it must be
immediately removed from service; then, remove it from the
sensing head and discard it properly. Caution must be exercised so
that the electrolyte does not contact skin, eyes, clothing or circuitry;
otherwise, serious personal injury (burns) and/or equipment
damage may result.
4. Use only genuine MSA replacement parts when performing any
maintenance procedures provided in this manual. Failure to do so
may seriously impair instrument performance. Repair or alteration
of the Ultima X Series Gas Monitor, beyond the scope of these
maintenance instructions or by anyone other than an authorized
MSA service personnel, could cause the product to fail to perform
as designed and persons who rely on this product for their safety
could sustain serious personal injury or loss of life.
5. Do not locate the general-purpose enclosure models in an area
which may contain a flammable mixture of gas and air; otherwise,
an explosion may occur. The general-purpose Ultima X Series Gas
Monitors can be a source of ignition and must not be mounted in
an area where a flammable mixture of combustible gas and air
may become present; otherwise, an explosion may occur. If such a
location must be monitored, use an explosion-proof Ultima X
Series Gas Monitor model.
6. The Ultima XIR Infrared combustible gas monitor detects the
presence of most combustible gases by identifying the difference in
the amount of infrared light energy absorbed during the presence
of these gases. This monitor, however, does NOT detect the
presence of hydrogen gas and must never be used to monitor for
hydrogen gas.
7. The standard Ultima XIR Infrared Combustible Gas Monitor does
" WARNING
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