. 2022 Feb 2;22(3):1148. doi: 10.3390/s22031148

Table 1.

The characteristics of semiconductor gas sensors, which were used in the multi-sensor array ([12], https://www.figaro.co.jp/en (accessed on 4 December 2021)).

Sensor	Substances Detected	Detection Range
TGS823	$O r g a n i c s o l v e n t v a p o r s$	50∼ $5000 ppm, e t h a n o l, n - h e x a n e, b e n z e n e, a c e t o n e$
$T G S 826$	$A m m o n i a$	30∼ $300 ppm, e t h a n o l, a m m o n i a, i s o b u t a n e$
$T G S 832$	$C h l o r o f l u o r o c a r b o n s$	100∼ $3000 ppm, R - 407 c, R - 134 a, R - 410 a, R - 404 a, R - 22$
$T G S 2600$	$G a s e o u s a i r c o n t a m i n a n t s$	1∼ $100 ppm$
$T G S 2602$	$V O C s a n d o d o r o u s g a s e s$	1∼ $30 ppm, e t h a n o l, a m m o n i a, t o l u e n e$
$T G S 2603$	$A m i n e - s e r i e s a n d s u l f u r o u s o d o r g a s e s$	$1 - 30 ppm, e t h a n o l, 0.1 - 3 ppm t r i m e t h y l a m i n e$
		$0.3 - 2 ppm m e t h y l m e r c a p t a n$