CT4028
39 kV High
Voltage Probe
Datasheet
Specifications
Operating Parameters
Maximum Input Voltage
(CAT I)
Maximum Loading
Current
Division Ratio
Bandwidth
Compensation Range
Temperature Coefficient
Input Resistance
Input Capacitance
Rise Time
Signal/Noise
39 kV (DC + ACpk)
27 kVrms AC
1000:1
45 µA
1000:1
DC to 220 MHz
10 pF to 35 pF
≤200 ppm/ºC
900 MΩ
2.0 pF
1.6 ns
> 60 dB @ 1 kHz
> 50 dB @ 1 MHz
Accuracy
DC Volts
AC Volts
≤3% (0 to 35 kV)
≤3% at 1 kHz
General
Overview:
The Cal Test Electronics CT4028 is a 39 kV high
voltage divider probe for use with both digital and
analog oscilloscopes.
Cable Length
Designed for Use in
Operating Temperature
Storage Temperature
Humidity
Dimensions
Weight
Warranty
6.6 ft (2 m)
Pollution Degree 2
14ºF to 131ºF
(-10ºC to 55ºC)
-4ºF to 158ºF
(-20ºC to 70ºC)
≤85% relative
humidity at 95ºF
(35ºC)
3.1 x 3.1 x 12.6 in
(8 x 8 x 32 cm)
1.0 lbs (460 g)
One-year warranty
Features:
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Input voltage of 39 kV (DC+ACpk)
220 MHz bandwidth
Voltage dividing of 1000:1
Frequency compensation
Technical data subject to change.
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