Instruction Manual
Appendix AX Rev. 2.1
February 1998
A-2 Appendices Rosemount Analytical Inc. A Division of Emerson Process Management
World Class 3000
Table A-1. Specifications for Oxygen Analyzing Equipment
1, 2
Probe lengths, nominal ................................................... 457 mm (18 in.), 0,91 m (3 ft), 1,83 m (6 ft),
depending on duct dimensions.
Temperature limits in process measurement area ......... 10-704°C (50-1300°F)
Standard/current output .................................................. 4-20 mA dc signal (factory set)
O
2
indication (Digital display and analog output) ............ 0.1% O
2
or ±3% of reading, whichever is
greater using Rosemount test gases.
Cell speed of response ................................................... 1 millisecond
System speed of response ............................................. less than 3 seconds (amplifier output)
Resolution sensitivity ...................................................... 0.01% O
2
transmitted signal
Probe reference air flow.................................................. 56,6 L/hr (2 scfh) clean, dry, instrument quality
air (20.95% O
2
)
Calibration gas mixtures ................................................. Rosemount Hagan Test Gas Kit Part No.
6296A27G01 contains 0.4% O
2
N
2
Nominal and 8% O
2
N
2
Nominal
Calibration gas flow......................................................... 141,6 L/hr (5 scfh)
Probe heater power supply............................................. 44 Vac from HPS 3000
HPS 3000 power requirement ........................................ 225 VA
Ambient operating temperature of probe junction box.... 0°-150°C (32°-302°F)
HPS 3000 ambient operating temperature ..................... 0°-50°C (32°-120°F)
Approximate shipping weights:
457 mm (18 in.) package...................................... 30 kg (66 lbs)
0,91 m (3 ft) package............................................ 40 kg (88 lbs)
1,83 m (6 ft) package............................................ 55 kg (121 lbs)
1
All static performance characteristics are with operating variables constant.
2
Temperatures over 537°C (1000°F) may affect the ease of field cell replaceability.
The tube assembly includes a flange which
mates with a stack-mounted flange. Studs
on the stack flange make installation easy.
There is also a tube to carry calibration gas
from the probe head to the process side of
the cell during calibration.
c. Flame Arrestor Diffuser
The flame arrestor diffuser, Figure A-4,
protects the cell from heavy particles and
isolates the cell from changes in tempera-
ture. The assembly consists of a flame arre-
stor and a snubber diffuser. The flame
arrestor and diffuser thread onto the probe
tube. Pin spanner wrenches (probe disas-
sembly kit 1L03825G01) are applied to
holes in the diffusion element hub to re-
move or install the diffuser assembly.
The Flame Arrestor and Flame Arre-
stor Hub are among the critical com-
ponents in this type of protection
(Flameproof Enclosure Type ‘D'). See
Safety Data Sheet 1M03226.
Systems that use an abrasive shield require
a special flame arrestor and diffuser as-
sembly with a hub that is grooved to accept
two dust seal gaskets.
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