SPY 790 - Test Voltage Guide

22
Test voltag e Guide for 785 / 790
portable h o l i day detector
525* SQRT (MILS) MINIMUM TEST VOLTAGE FOR THIN FILM COATINGS
COATING THICKNESS MINIMUM TESTING VOLTAGE
KiloVolts
1.67
1.82
1.97
2.10
2.35
2.63
2.88
3.33
mil
10
12
14
16
20
25
30
40
mm
0.25
0.30
0.36
0.41
0.51
0.64
0.76
1.0
1250* SQRT (MILS) MINIMUM TEST VOLTAGE FOR THICK FILM COATINGS
COATING THICKNESS MINIMUM TESTING VOLTAGE
KiloVolts
5.6
6.9
9.7
11.9
13.7
15.4
16.8
28.0
31.3
34.3
mil
20
30
60
90
120
150
180
500
625
750
mm
0.51
0.76
1.5
2.3
3.0
3.8
4.6
12.7
15.9
19.1