TPI 716 Flue Gas Analyser Kit 5 Rotary Tool Steel Wire Brush Set 3pce then the Swab test is

then the Swab test is very likely to detect it from the biofilm

TPI 621 Dual Input Manometer Measure pressure values from two sources simultaneously using this dual-input manometer

Accuracy: (+/-10% of reading + 10 digits)

5% accuracy DMM

High resolution readings for every parameter provide excellent precision and the meter is also highly accurate thanks to True RMS correction

TPI 716 Flue Gas Analyser Kit 5 Rotary Tool Steel Wire Brush Set 3pce then the Swab test isTPI 716 Flue Gas Combustion Analyser Kit 5 The most comprehensive TPI 716 kit available, this bundle comes with all standard accessories plus an infrared printer, 2 x pipe clamp probes, a CPA1 probe kit and a gas sniffer! In other words, it comes with absolutely everything you'll need for flue analysis. The TPI 716 is a fast response, professional grade flue gas analysis tool compatible with boilers powered by natural gas, LPG, light oil, heavy oil,