LeCroy PPE20KV High-Voltage Passive Probe

The LeCroy PPE20KV is a high-voltage passive probe engineered for precision measurement of signals up to 20 kV DC and 14 kV AC rms. It delivers 1000:1 system attenuation with 100 MΩ input resistance and sub-3 pF input capacitance, minimizing loading effects on circuits under test. A 100 MHz bandwidth supports fast transient capture across power electronics, automotive, and research applications.

Technical Specifications

• System Attenuation: 1000:1


• Input Resistance: 100 MΩ


• Input Capacitance: < 3 pF


• Compensation Range: 10 pF to 65 pF


• Bandwidth (−3 dB): 100 MHz typical


• Maximum Voltage: 20 kV DC including peak AC; 14 kV AC rms (50/60 Hz sine); pulse peak to 40 kV with derating


• Overvoltage Category: CAT I


• Pollution Degree: 1


• Cable Length: 3 meters


• Operating Temperature: 0 °C to 50 °C


• Relative Humidity: 80% @ ≤31 °C, decreasing linearly to 40% @ 50 °C


• Altitude: Up to 2000 m


• Weight: 495 grams


• Connector: Standard BNC

Key Features

• Hybrid circuitry reduces ringing and overshoot for accurate signal reproduction


• High input impedance minimizes circuit loading during high-voltage measurements


• Broad voltage rating accommodates DC, AC sine, and pulse measurements with appropriate derating


• Comprehensive accessory set includes trimming tool, multiple tip configurations, ground leads, and security adapter


• Auto-scaling on compatible LeCroy 9300C and LC series oscilloscopes

Typical Applications Power electronics testing, automotive high-voltage diagnostics, transient pulse characterization, and advanced research requiring safe, precise measurement above 1 kV.

Compatibility & Integration Works with LeCroy 9300C and LC series oscilloscopes with automatic attenuation correction. Compatible with standard oscilloscopes and measurement instruments via BNC connector. Indoor use with grounded oscilloscopes required.