Table 9.

Moisture measurement range and accuracy of fault detection monitors (as indicated by manufacturers).

Equipment	Measurement Range	Accuracy	Repeatability
Calisto 2	2–100%	$\pm 3$ ppm or $\pm 3$%	$\pm 2$ ppm or $\pm 2$%
SmartDGA Guard	1–99%	$\pm 3$ ppm or $\pm 2$%	–
Minitrans	0–100%	$\pm 2$%	–
Hydran 201Ti
Hydran M2-X	0–100%	$\pm 2$%	$\pm 2$%
MHT410	0–100%	$\pm 2$%	–
CoreSense	0–100%	$\pm 2$%	–
DGA 150
Serveron TM1	0–100%	$\pm 5$%	–
Hydrocal 1003	0–100%	$\pm 3$ ppm or $\pm 3$%	–
Hydrocal 1004 GenX	0–100%	$\pm 3$ ppm or $\pm 3$%	–
Hydrocal 1005	0–100%	$\pm 3$ ppm or $\pm 3$%	–
H2 Guard
Multisense 5	0–100%	±LDL ppm or $\pm 3$%	–

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