4-6
Electrochemical sensors are sealed units which contain a
corrosive electrolyte. If electrolyte is leaking from the sen-
sor, exercise CAUTION to ensure the electrolyte does not
contact skin, eyes or clothing, thus avoiding burns. If con-
tact occurs, rinse the area immediately with a large quantity
of water. In case of contact with eyes, immediately flush
eyes with plenty of water for at least 15 minutes. Call a
physician.
Do not install a leaking sensor in the sensing head assem-
bly. The leaking sensor must be disposed of in accordance
with local, state and federal laws. To obtain a replacement
sensor, contact MSA at the address given under "Obtaining
Replacement Parts."
1. There is no need to open the main enclosure; simply unscrew the
sensor assembly located on the bottom of the Ultima X Series Gas
Monitor main assembly (FIGURE 4-2).
For Ultima XE sensors marked Class I, Groups A, B, C and D
and not used in Class II areas, unscrew sensor cap at least
three full turns (but no more than four full turns from its
tightly-closed position), wait 10 seconds, and then remove
cap completely. Failure to follow this warning can result in
the ignition of a hazardous atmosphere.
"
WARNING
"
CAUTION
"
WARNING
Figure 4-1. "Change Sensor" Scrolls Across the Display
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