Table 11.

Gas concentration and moisture measurements range, accuracy and repeatability of the fault diagnosis monitors (as indicated by the manufacturers).

Equipment	H${}_2$ Range (ppm)	CO Range (ppm),	CH${}_4$ Range (ppm),	C${}_2$H${}_2$Range (ppm),	C${}_2$H${}_4$Range (ppm),	C${}_2$H${}_6$Range (ppm),	CO${}_2$Range (ppm),	O${}_2$ Range (ppm)	N${}_2$ Range (ppm),	C${}_3$H${}_6$Range (ppm),	C${}_3$H${}_8$Range (ppm),	Moisture Range,
	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability	Accuracy and Repeatability
Calisto 5	0–20.000 $\pm 0.5$ ppm or $\pm 5$% $\pm 0.5$ ppm or $\pm 3$%	0–30.000 $\pm 10$ ppm or $\pm 5$% $\pm 10$ ppm or $\pm 3$%	0–100.000 $\pm 0.2$ ppm or $\pm 5$% $\pm 0.2$ ppm or $\pm 3$%	0–100.000 $\pm 0.2$ ppm or $\pm 5$% $\pm 0.2$ ppm or $\pm 3$%	0–200.000 $\pm 0.2$ ppm or $\pm 5$% $\pm 0.2$ ppm or $\pm 3$%							2–100% $\pm 3$ ppm or $\pm 3$% $\pm 2$ ppm or $\pm 2$%
Calisto 9	0–20.000 $\pm 0.5$ ppm or $\pm 5$% $\pm 0.5$ ppm or $\pm 3$%	0–30.000 $\pm 10$ ppm or $\pm 5$% $\pm 10$ ppm or $\pm 3$%	0–100.000 $\pm 0.2$ ppm or $\pm 5$% $\pm 0.5$ ppm or $\pm 3$%	0–100.000 $\pm 0.2$ ppm or $\pm 5$% $\pm 0.5$ ppm or $\pm 3$%	0–200.000 $\pm 0.2$ ppm or $\pm 5$% $\pm 0.5$ ppm or $\pm 3$%	0–200.000 $\pm 0.2$ ppm or $\pm 6$% $\pm 0.5$ ppm or $\pm 4$%	0–100.000 $\pm 15$ ppm or $\pm 5$% $\pm 15$ ppm or $\pm 3$%	0–100.000 $\pm 500$ ppm or $\pm 15$% $\pm 500$ ppm or $\pm 10$%	0–150.000 $\pm 2.000$ ppm or $\pm 15$% $\pm 2.000$ ppm or $\pm 10$%			2–100% $\pm 3$ ppm or $\pm 3$% $\pm 2$ ppm or $\pm 2$%
SmartDGA Guide	5–10.000 $\pm 5$ ppm or $\pm 5$% –	10–10.000 $\pm 10$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	0.5–10.000 $\pm 0.5$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	2–20.000 $\pm 2$ ppm or $\pm 5$% –	10–20.000 $\pm 10$ ppm or $\pm 5$% –	500–50.000 $\pm 500$ ppm or $\pm 5$% –	5.000–100.000 $\pm 5.000$ ppm or $\pm 5$% –			1–99% $\pm 3$ ppm or $\pm 2$% –
Taptrans	5–5.000 $\pm 5$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	0.5–50.000 $\pm 0.5$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	20–50.000 $\pm 20$ ppm or $\pm 5$% –	100–50.000 $\pm 10$% –	10.000–100.000 $\pm 15$% –			0–100% $\pm 3$% –
Transfix	5–5.000 $\pm 5$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	0.5–50.000 $\pm 0.5$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	20–50.000 $\pm 20$ ppm or $\pm 5$% –	100–50.000 $\pm 10$% –	10.000–100.000 $\pm 15$% –			0–100% $\pm 3$% –
Multitrans	5–5.000 $\pm 5$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	2—50.000 $\pm 2$ ppm or $\pm 5$% –	0.5-50.000 $\pm 0.5$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	2–50.000 $\pm 2$ ppm or $\pm 5$% –	20–50.000 $\pm 20$ ppm or $\pm 5$% –	100–50.000 $\pm 10$% –	10.000–100.000 $\pm 15$% –			0–100% $\pm 3$% –
DGA 900	5–5.000 $\pm 5$ ppm or $\pm 5$% < 3%	1–50.000 $\pm 1$ ppm or $\pm 3$% < 2%	2–50.000 $\pm 2$ ppm or $\pm 3$% < 2%	0.5–50.000 $\pm 0.5$ ppm or $\pm 3$% < 2%	1–50.000 $\pm 1$ ppm or $\pm 3$% < 2%	1–50.000 $\pm 1$ ppm or $\pm 3$% < 2%	20–50.000 $\pm 20$ ppm or $\pm 3$% < 3%	100–50.000 $\pm 100$ ppm or $\pm 5$% < 2%	10.000–100.000 $\pm 15$% –			0–100% $\pm 3$% $<3\%$
OPT100	0–5.000 $\pm 25$ ppm or $\pm 20$% $\pm 15$ ppm or $\pm 10$%	0–10.000 $\pm 10$ ppm or $\pm 10$% $\pm 10$ ppm or $\pm 5$%	0–10.000 $\pm 10$ ppm or $\pm 5$% $\pm 10$ ppm or $\pm 5$%	0–5.000 $\pm 1$ ppm or $\pm 10$% $\pm 1$ ppm or $\pm 10$%	0–10.000 $\pm 10$ ppm or $\pm 10$% $\pm 10$ ppm or $\pm 5$%	0–10.000 $\pm 10$ ppm or $\pm 10$% $\pm 10$ ppm or $\pm 5$%	0–10.000 $\pm 10$ ppm or $\pm 10$% $\pm 10$ ppm or $\pm 5$%					0–100% $\pm 2$ ppm or $\pm 10$% –
CoreSense M10	25–5.000 $\pm 25$ ppm or $\pm 20$% –	2–5.000 $\pm 2$ ppm or $\pm 5$% –	1–10.000 $\pm 1$ ppm or $\pm 5$% –	0.5–10.000 $\pm 0.5$ ppm or $\pm 5$% –	2–10.000 $\pm 2$ ppm or $\pm 5$% –	2–10.000 $\pm 2$ ppm or $\pm 6$% –	5–20.000 $\pm 5$ ppm or $\pm 5$% –			10–10.000 $\pm 10$ ppm or $\pm 5$% –	10–10.000 $\pm 10$ ppm or $\pm 5$% –	0–100% $\pm 3$ ppm or $\pm 2$% –
Serveron TM3			5–7.000 $\pm 5$ ppm or $\pm 5$% < 1%	1–3.000 $\pm 1$ ppm or $\pm 5$% < 2%	3–5.000 $\pm 3$ ppm or $\pm 5$% < 1%							0–100% $\pm 3$% –
Serveron TM8	3–3.000 $\pm 3$ ppm or $\pm 5$% < 2%	5–10.000 $\pm 5$ ppm or $\pm 5$% < 2%	5–7.000 $\pm 5$ ppm or $\pm 5$% < 1%	1–3.000 $\pm 1$ ppm or $\pm 5$% < 2%	3–5.000 $\pm 3$ ppm or $\pm 5$% < 1%	5–5.000 $\pm 5$ ppm or $\pm 5$% < 1%	5–30.000 $\pm 5$ ppm or $\pm 5$% < 1%	30–25.000 $\pm 30$ ppm or $\pm 5$% < 1%	5.000–100.000 $\pm 5.000$ ppm or $\pm 5$% < 20%			0–100% $\pm 3$% –
Hydrocal 1008	0–2.000 $\pm 25$ ppm or $\pm 15$% –	0–5.000 $\pm 25$ ppm or $\pm 20$% –	0–2.000 $\pm 25$ ppm or $\pm 20$% –	0–2.000 $\pm 5$ ppm or $\pm 20$% –	0–2.000 $\pm 10$ ppm or $\pm 20$% –	0–2.000 $\pm 10$ ppm or $\pm 20$% –	0–20.000 $\pm 25$ ppm or $\pm 20$% –					0–100% $\pm 3$ ppm or $\pm 3$% –
Hydrocal 1009	0–10.000 $\pm 25$ ppm or $\pm 15$% –	0–10.000 $\pm 25$ ppm or $\pm 20$% –	0–5.000 $\pm 25$ ppm or $\pm 20$% –	0–10.000 $\pm 5$ ppm or $\pm 20$% –	0–10.000 $\pm 10$ ppm or $\pm 20$% –	0–10.000 $\pm 15$ ppm or $\pm 20$% –	0–20.000 $\pm 25$ ppm or $\pm 20$% –	0–50.000 $\pm 1.000$ ppm or $\pm 10$% –				0–100% $\pm 3$ ppm or $\pm 3$% –
Multisense 9	0–10.000 ±LDL or $\pm 5$% –	0–10.000 ±LDL or $\pm 5$% –	0–5.000 ±LDL or $\pm 5$% –	0–10.000 ±LDL or $\pm 5$% –	0–10.000 ±LDL or $\pm 5$% –	0–10.000 ±LDL or $\pm 5$% –	0–20.000 ±LDL or $\pm 5$% –	0–50.000 ±LDL or $\pm 10$% –				0–100% ±LDL or $\pm 3$% –
TOTUS G5	5–5.000 $\pm 5$ ppm or $\pm 15$% –	10–20.000 $\pm 10$ ppm or $\pm 10$% –	30–60.000 $\pm 20$ ppm or $\pm 10$% –	3–5.000 $\pm 3$ ppm or $\pm 5$% –	5–90.000 $\pm 5$ ppm or $\pm 5$% –							0–100% – –
TOTUS G9	0–5.000 $\pm 5$ ppm or $\pm 5$% –	1–50.000 $\pm 1$ ppm or $\pm 5$% –	1-50.000 $\pm 1$ ppm or $\pm 5$% –	0.1–50.000 $\pm 0.1$ ppm or $\pm 5$% –	1–50.000 $\pm 1$ ppm or $\pm 5$% –	1–50.000 $\pm 1$ ppm or $\pm 5$% –	3–50.000 $\pm 3$ ppm or $\pm 5$% –	100–505.000 $\pm 10$% –	10.000–150.000 $\pm 15$% –			0–100% – –

–: Not indicated by the manufacturer; Blank spaces indicate what the monitors do not measure.