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Environmental specifications
(continued)
Table 1-4:
General purpose certifications
Xi ambient temperature limits
-20 to 50 °C (-4 to 122 °F)
Xi temperature limits as measured inside the electronics
housing
-20 to 70 °C (-4 to 158 °F)
(1) Reduced cell life can be expected if operated continously at temperatures above 705 °C (1300 °F). Optional bypass and jacket
accessories permit operation to 1050 °C (1922 °F).
Installation specifications - probe
Table 1-5:
Probe mounting flange
Vertical or horizontal - 2 in. 150# (121 m (4.75 in.) bolt cir-
cle)
Note
Flanges are flat-faced and for mounting only. Flanges are
not pressure-rated. A 2.5-in. diameter hole in the process
is required.
Spool piece PN 3D39761G02 is available to offset probe
electronics housing from hot duct work.
Many adapter flanges are available to mate to existing
flanges.
Probe lengths and approximate shipping weights
457 mm (18 in.) package
7.3 kg (16 lb)
0.91 m (3 ft) package
9.5 kg (21 lb)
1.83 m (6 ft) package
12.2 kg (27 lb)
2.74 m (9 ft) package
15.0 kg (33 lb)
3.66 m (12 ft) package
17.7 kg (39 lb)
Reference air (optional)
2 scfh (1 L/min), clean, dry, instrument-quality air (20.95%
O
2
), regulated to 5 psi (34 kPa)
Calibration
Semi-automatic or automatic
Calibration gases
0.4% O
2
and 8% O
2
, balance N
2
recommended. Instrument
air may be used as a high cal gas but is not recommended.
100% nitrogen cannot be used as the low cal gas.
Calibration gas line
91 m (300 ft) maximum length
Calibration gas flow
5 scfh (2.5 L/min)
Heater electrical power
120/140 Vac ± 10%, 50/60 Hz, 260/1020 VA max, 1/2-in. -
14 NPT conduit ports
Traditional architecture cable
61 m (200 ft) maximum length
Power consumption of probe heater
776 VA maximum during warm-up
Description and specifications
Reference Manual
15
Содержание Rosemount 6888A
Страница 1: ...Reference Manual 00809 0100 4890 Rev AA July 2018 Rosemount 6888A O2 Combustion Flue Gas Transmitter ...
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Страница 8: ...Contents iv Rosemount 6888A ...
Страница 61: ...Calibration Defaults Figure 3 1 Configuration startup and operation Reference Manual 53 ...
Страница 62: ...HART Menu Trees Rosemount 6888Xi Figure 3 2 Configuration startup and operation 54 Rosemount 6888A ...
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Страница 69: ...HART Menu Trees 375 475 Field Communicator Figure 3 3 Configuration startup and operation Reference Manual 61 ...
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Страница 93: ...D A Trim Method Simplified Figure 3 7 Configuration startup and operation Reference Manual 85 ...
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Страница 104: ...Troubleshooting 96 Rosemount 6888A ...
Страница 120: ...Maintenance and service 112 Rosemount 6888A ...
Страница 128: ...Optional accessories 120 Rosemount 6888A ...
Страница 132: ...Rosemount 6888 product certifications 124 Rosemount 6888A ...
Страница 135: ...Safety data Reference Manual 127 ...