Emerson Rosemount 928 Reference Manual page 11

Reference Manual
00809-0100-4928
Figure 2-2: IP Filter Latching Tabs Locations
A. Transmitter housing
B. Gas sensor module
C. Latching tabs
The seal between the transmitter housing and the sensor assembly is designed so that a
snug, airtight fit is achieved between the two assemblies when properly installed.
Procedure
1. Remove the sensor from its packaging.
2. If installing a sensor on the transmitter for the first time, remove the protective
3. The sensor contains a keying feature that ensures that the module cannot be forced
4. Slide the sensor assembly up into the main transmitter housing until it is completely
5. To ensure a firm latch and seal, push the sensor upward until the two latching tabs
6. Allow the transmitter to warm up before continuing.
Rosemount 928
plastic cap from the sensor module housing.
into the transmitter housing incorrectly. Confirm that the keying feature is aligned
by rotating it into position before installing the sensor into the transmitter.
seated.
are fully engaged. Push up on the bottoms of the tabs after they are seated.
Refer to Table 2-1 for maximum warm-up times based on gas type. During the
warm-up period, the displayed values, alerts, and gas concentrations do not reflect
actual measurements; readings are not transmitted.
Table 2-1: Maximum Warm-up Periods
Gas type
Hydrogen sulfide (H S)
2
Oxygen (O )
2
Maximum warm-up period
One minute
Seven minutes
Configuration
February 2023
11