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7.7.2.2 Sintered Stainless Steel Dust Guard (P/N 1800822-1-1)
The construction of this accessory is similar to the Dust Guard assembly, abov e, but it
has a 1/8” (3mm) thick sintered stainless steel disc at one end. The body material is
stainless steel. It has an internal thread for installation on the sensor b ody. This Dust
Guard provides protection from fine particulates and windy environments . It should be
used only in dry locations because of the tendency of the sintered disc to absorb water,
which would then act as a gas diffusion barrier until the disc dried-out again. This Dust
Guard reduces sensor response, so it must never be removed for calibration.
7.7.2.3 Splash Guard (P/N 10395-1)
The Splash Guard is a rugged VALOX plastic cylinder, which screws into place over the
sensor body. It contains a series of internal baffles and a stainless steel mesh, which are
designed to deflect water away from the sensor flame arres tor. The S p las h Guard is
recommended for areas where heavy rain or frequent equipment hose downs occur.
NOTE: Sensor covers are not included in the Factory Mutual approval f or this
equipment.
7.7.2.4 Sensor Flow Chamber (P/N 10066)
The General Monitors’ Sensor Flow Chamber is constructed of aluminum (optional
stainless steel construction available). The chamber has an internal thread int o whi ch a
sensor may be screwed, and two threaded ports, which accept ¼ inch tube fittings. The
chamber is designed for insertion into a sampling system.
7.8 Recommended Spare Parts
ITEM DESCRIPTION
QTY.
Table 12: Recommended Spare Parts
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