Capacitive Voltage Dividers

Pearson high voltage coaxial capacitive voltage dividers permit measurements up to 500kV when used in high voltage insulating oil.
Customized division ratio and calibration for use in air are available. See the table below for model specifications.

Product Selection:
Model #
Max
Pulse
Voltage
(in oil)
Max
Pulse
Voltage
(in air)
Voltage
Division
Ratio
(in oil)
Freq
Range
(1MΩ Load)
Droop
Rate
(per µsec)
Usable
Rise
Time
Capacitance
(approx)
VD-301
400kV
75kV
5000:1
25Hz ~ 3MHz
0.15%
150ns
28pf
VD-305A
300kV
50kV
5000:1
30Hz ~ 4MHz
0.02%
150ns
18pf
VD-305A-10,000
300kV
50kV
10,000:1
30Hz ~ 4MHz
0.02%
100ns
18pf
VD-305A-AIR
-
50kV
5000:1
70Hz ~ 4MHz
0.05%
100ns
8pf
VD-500A
500kV
90kV
10,000:1
15Hz ~ 2MHz
0.01%
200ns
38pf