_ O > 2 , CO, CO > 2 , CO/CO > 2 ratio and efficiency readings _ Multi fuel _ Professional quality sensors (CO readings to 1ppm) _ Detachable flue probe _ Real time clock _ Infra-red output to optional printer _ Rubber sleeve with integral magnet _ Designed to meet BS7927 >

ParameterResolutionAccuracyRangeTemp Measurement Flue Temperature1C/Fб2C (5аF) 0 - 600C б0.3% reading32 - 1112FInlet Temperature1аC/F1ѰC/F 0 - 100C(Internal Sensor)б0.3% reading32 - 212FTemp (Nett) * > 2 1аC/F2ѰC (5F) 0 - 600аC 0.3% reading32 - 1112ѰF Gas Measurement Oxygen0.1%0.2%* > 1 - 21%Carbon Monoxide1ppm ѱ10ppm <100ppm* > 1 - 1,000ppm5% of reading 4000 ppm max for 15 minutesCarbon Dioxide* > 2 0.1%ѱ0.3% reading0 - 30%Efficiency* > 2 0.1%1.0% reading0 - 99.9%Excess Air* > 2 0.1%ѱ0.2%0 - 250%CO/CO > 2 ratio* > 2 0.00015% reading 0 - 0.9999 Pre-programmed Fuels Natural gas, Light Oil(28/35...