Emerson ROSEMOUNT OCX 8800 - Manual (Page 35)

Instruction Manual
IM-106-880, Rev 1.0
January 2007
2-15
OCX 8800
Figure 2-8. Pneumatic
Installation, OCX with Reference
Air Set (without Autocalibration)
37390011
Electronics
Housing
Eductor
Air In
Sensor
Housing
Dilution Air In
Reference Air In
CAL Gas In
CAL Gas
Flow Meter
7 scfh, 20-30 psig
Recommended
Dilution Air
Flow Meter
0.1 scfh
Instrument
Air Supply
Pressure Reguator/Filter
35 psig - General Purpose
45 psig - Hazardous Area
(
(
2-Stage
Regulators
CO
HI O
2
LO O
2
Instrument
Air Out