Chapter 2 Install; Mechanical Installation - Emerson Rosemount Oxymitter 4000 Reference Manual

Reference Manual
00809-0100-4340
2 Install
WARNING
The instrument is heavy.
Use proper lifting and carrying procedures to avoid personal injury.
WARNING
Electrical shock
Failure to install covers and ground leads could result in serious injury or death.
Install all protective equipment covers and safety ground leads after installation.
WARNING
Hazardous areas
For Rosemount
arrestor), the non-process side of the transmitter can be placed in a hazardous rated
area according to the product label. The flue gas side of the Rosemount OXT4CNF shall
not be installed in the processes that are rated as hazardous.
For Rosemount Hazardous Area Oxymitter 4000 OXT4C (with process side flame
arrestor), both the non-process and process sides of the transmitter can be installed in
hazardous areas according to the product label. The process side of the probe should
be considered a potential source if an explosive gas mixture is present.
All cable entry devices and blanking elements for unused apertures must be certified
flameproof and suitable for conditions of use. They must also be properly installed.
Do not open when an explosive atmosphere may be present.
Do not open while energized.
Process temperature at mounting flange location shall not exceed 239 °F (115 °C).
Only use supply cables and Ex d certified cable glands rated for ≥ 230 °F (110 °C).
Non-flame arrestor probe versions "NF" must have the probe tube mounted in a Safe
Area.
2.1

Mechanical installation

2.1.1 Select location
The location of the transmitter in the stack or flue is most important for maximum
accuracy in the oxygen analyzing process.
Procedure
1. Position the transmitter so that the gas it measures is representative of the process.
Rosemount Oxymitter 4000
™
Hazardous Area Oxymitter OXT4CNF (without process side flame
You will obtain best results by positioning the transmitter near the center of the
duct (40 to 60 percent insertion). Longer ducts may require several transmitter
Install
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