SAIC Motor UK Emission Faclity - Quality
This page is centred around the equipment we use to measure the gaseeous emissions, vehicle velocity & load.

Periodic checks of the dyno and emission analysers are carried out the table below.

WeeklyMonthly6 MonthlyYearly (AVL)
CFO CheckLinearity ChecksMid spanLFE Check
Dyno wamup02 Interference CheckHC ResponseAPC Wick Change
Coastdown Without VehicleCO NDIR CO2/H20 Interference (Cross Check)Varify APC wickANR Drift check
NOx converter checkCO2 Interference CheckFID response check
CO cross checkDyno Parasitic LossesCH4 Cutter check
PM Reference Filter ChangeQuench Check
Check gas levels & update sheetCheck Dyno Filters
Bikat Filter Check


Please use the dropdown links to view analyser information. All of the documents download in Excel and have the data plotted against limits from legislation or as recommended by the supplier.

HC CH4 NOx CO2 CO Vacuum Check
NO NOx CO2 CO Vacuum Check
HC CH4 Pressure Check R1 Span Leak R2 Span Leak
CFO Line Leak Check Bag Leak Check Pressure ABS Temp Nozzle
Cabinet Leak Check MFC Cal Pressure Filter Pressure Filter Cabinet Temp Filter Temp MFC Temp Tunnel System Leak Check


Below are links to the periodic checks that are carried out on the dynamometer



Quality Procedures
Below are links to the procedures used to carry out the perodic checks, they are all automated however the operator still needs to know how to get to the functions and how understand the results of each test.