Mlt 3 (Gas Purity Measurement); Fig. 1-30A: Mlt 3 (Gas Purity Measurement), Gas Path Layout - Emerson ROSEMOUNT Analytical NGA 2000 Instruction Manual

NGA 2000 MLT Hardware
TECHNICAL DESCRIPTION
INTERNAL GAS PATHS MLT 3 (GAS PURITY MEASUREMENT)
1.9.3

MLT 3 (gas purity measurement)

The necessary gas connections are marked analyzer specific (see section 5.3.and 5.4.3.1).
Different possibilities of internal layout and external tubing are shown in Fig. 1-30, depending on
instrument specific features.
Up to the internal pressure regulator the gas paths are designed as stainless steel tubings. Behind
the flow meter the gas paths are viton tubings.
All external fittings are swagelok
gas outlet
span gas
sample gas
zero gas
1 - 34
®
, stainless steel, 6/4 mm, 1/8 " or 1/4 ".
tube piece
6 mm
6 mm
6 mm
6 mm

Fig. 1-30a: MLT 3 (gas purity measurement), gas path layout

(3 measuring channels with solenoid valve block option)
Viton tubing
Viton tubing
analysis cell
Viton tubing
analysis cell
safety dust filter
threated plug 1/8"
1/8"
1/8" 1/8"
SS tubing
Instruction Manual
pressure
sensor
Viton tubing
PO2
Viton tubing
Viton tubing
1/16"
1/16"
SS capillary
Emerson Process Management GmbH & Co. OHG
90002929
07/2006