GE Analytical Instruments ©2006 DLM 14291 Rev. A
viii
Step 1 – Add Oil to the pump...............................................................................................................
4-4
Step 2 - Install Pump Inlet Fitting ...................................................................................................... 4-4
Step 3- Install the Chemical Trap Mounting Bracket....................................................................... 4-5
Step 4 - Install the Pump Outlet Fitting............................................................................................ 4-6
Step 5 - Install the Chemical Trap and Vacuum Hoses.................................................................... 4-6
Step 6 - Connect Power Cord to Vacuum Pump and Turn On Pump Power Switch .................... 4-9
CONNECTIONS TO NOA..................................................................................................................................... 4-9
Vacuum Pump Power Cord and Vacuum Hose................................................................................... 4-9
Vacuum Test............................................................................................................................................ 4-9
Gas for Ozone Generator.................................................................................................................... 4-11
Frit Restrictor....................................................................................................................................... 4-12
Computer, Printer and Analog Signal Connections........................................................................ 4-12
Setting the Clock.................................................................................................................................. 4-13
CONFIGURATION MENU OPTIONS...................................................................................................................... 4-14
Com Port................................................................................................................................................ 4-14
Pressure Units....................................................................................................................................... 4-15
SETTING THE CONSUMABLES INSTALLATION DATA.............................................................................................. 4-16
START-UP....................................................................................................................................................... 4-16
5. INSTALLATION AND SETUP: GAS-PHASE MEASUREMENTS............................................................5-1
INSTALLATION OF GAS SAMPLING PACKAGE .........................................................................................................5-1
INSTALLATION OF THERMAL MASS FLOWMETER....................................................................................................5-2
NOA SETUP FOR GAS-PHASE MEASUREMENTS..................................................................................................... 5-4
Exhalation Mode.....................................................................................................................................5-4
Nitric Oxide Mode.................................................................................................................................. 5-7
6. CALIBRATION..........................................................................................................................................6-1
ZERO GAS CALIBRATION .................................................................................................................................... 6-1
Calibration with Zero Air Filter.......................................................................................................... 6-2
Calibrating with Zero Air Cylinder..................................................................................................... 6-2
Zero Gas Calibration Warnings............................................................................................................ 6-4
NO CALIBRATION GAS....................................................................................................................................... 6-4
Calibration Gas Warnings..................................................................................................................... 6-6
Calculation of Gas Concentration....................................................................................................... 6-8
INDEPENDENT CALIBRATION OF PPB AND PPM RANGES ..........................................................................................6-8
ACCURACY OF PPB LEVEL MEASUREMENTS USING PPM LEVEL CALIBRATION ............................................................. 6-9
FLOW/RESPONSE CHARACTERISTICS OF NOA 280I ........................................................................................... 6-10
CALIBRATION AT LOWER FLOW RATES ..............................................................................................................6-11
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