Capacitive Voltage Dividers

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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 28pf
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