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Instruction Manual
IB-106-300NH Rev. 4.3
May 2005
P-4 Rosemount Analytical Inc. A Division of Emerson Process Management
World Class 3000
Reference Air
Provides a known oxygen concentration to the reference side of the oxygen sensing cell.
Semiautomatic Calibration
Semiautomatic calibration is performed when the system does not include an MPS 3000 Multi-
probe Calibration Gas Sequencer. The IFT 3000 provides prompts to direct the user to switch
calibration gases when performing the calibration.
Thermocouple
An electrical device made of two dissimilar metals. A thermocouple develops a millivolt signal
proportional to its temperature.
Vee Deflector
Protects the optional ceramic diffusor from the process gases. The vee deflector must be posi-
tioned so it points toward the direction of the process gas flow. See Figure 2-2 for an illustration of
the vee deflector.