Sample Inlet Systems; Sample Flow Control Device; Ozone Flow Control Module; Ozone Generator - GE MOA 280i Operation And Maintenance Manual

The Model 280i NOA is used for measurement of NO in exhaled breath and
measurement of nitrite, nitrate/nitrite and nitrosothiols in biological fluids, cell
culture media, and other liquid samples. A schematic of the 280i NOA is shown in
Figure 1-1 and consists of the following major components:
•
Sampling Inlet Systems
•

Sample Flow Control Device

•

Ozone Flow Control Module

•

Ozone Generator

•
Chemiluminescence Reaction Chamber and Optical Filter
•
Photomultiplier Tube and Cooled Housing
•
Vacuum Pump and Chemical Trap
•
Front Panel Display
•
Four Button Keypad
•
PMT Amplifier
•
Power Supply
•
Analog to Digital Converter
•
Microprocessor and Output Electronics
•
Analog, Printer, and RS-232 Outputs
•
Exhalation Pressure Transducer
•
Optional Thermal Mass Flowmeter

Sample Inlet Systems

The NOA 280i
complete range of sample
inlet systems
measurement of NO and its
reaction products including:
• Gas Sampling Kit for
measurement
phase NO. The
includes a Nafion
0.45 µm particle filter,
PVC sampling lines with
®
Luer adapters and a
calibration tee.
GE Analytical Instruments ©2006
has a
for
of gas-
kit
®
drier,
Figure 1-1: Schematic of Model 280i Nitric
1-5
Oxide Analyzer
DLM 14291 Rev. A