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RYE INTERNATIONAL
VAD(VOLTAGE ADJUSTING DEVICE)
Test results for VAD fitted to “2.5L VAUXHALL” estate vehicle
with petrol engine
1.0 Engine Idling
Before Fitting VAD. After Fitting VAD. Reduction
CO Level. 0.05% 0.02% 60%
HC Level. 110ppm. 55ppm 50%
CO2 Level. 13.45% 13.09% 2.6%
O2 Level. 2.23% 1.99% 23%
2.0 AT 3000 RPM
CO Level. 0.03% 0.017%(#) 43%
HC Level. 50ppm. 22ppm(#) 56%
CO2 Level. 13.44% 9.84%(#) 27%
O2 Level. 2.26% 1.66%(#) 26%
(#) : denotes average of two or three readings.
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