"!
WARNING
Handle the sensor carefully; the electrochemical version is a sealed
unit which contains a corrosive electrolyte. If electrolyte is leaking
from the sensor, exercise CAUTION to ensure the electrolyte does
not contact skin, eyes or clothing, thus avoiding burns. If contact
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.
"!
CAUTION
Do not install a leaking sensor in the sensing head assembly. 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).
"
WARNING
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.
For the Ultima XE Sensor Dust, UL marked Class II Groups F and
G, atmosphere must be free of dust and the power removed from
the unit before the sensor cap can be removed from the housing.
Failure to follow this warning can result in the ignition of a hazardous
atmosphere.
Figure 4-2.
Sensor Assembly and Sensor Guard for General Purpose Model
Chapter 4, Maintenance
4-3
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