TABLE IV

HLVD Test Results for Pooled Negative Control Populations, at Lower and Upper Sensitivity Set Points

HVLD Test Method	1	2	3	4	5	6
High voltage set point (kV)	12.5	12.5	12.5	12.5	12.5	12.5
Sensitivity limit range	275–285	255–265	250–260	240–250	255–265	240–250
Mean (V)	2.95	2.96	2.76	2.84	2.82	2.85
Standard deviation (V)	0.16	0.18	0.14	0.14	0.17	0.15
Coefficient of variation	0.05	0.06	0.05	0.05	0.06	0.05
Count	180	300	168	168	168	196
Mean ± 3 standard deviations (V)	2.47–3.43	2.42–3.50	2.34–3.18	2.42–3.26	2.31–3.33	2.40–3.30