Figure 1From: A new portable monitor for measuring odorous compounds in oral, exhaled and nasal air A new portable malodor monitor, the B/B Checker ®. (A) The size of the B/B Checker is W 210 mm × D 230 mm × H 80 mm. The output value is indicated automatically and printed using a built-in printer. (B) Measurement of oral gas and exhaled gas. (C) Measurement of nasal gas.Back to article page