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.
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
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