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PMK | High Voltage Differential Probes

High-Voltage Differential Probes - BumbleBee® Series

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The BumbleBee® Series from PMK is a high-performance family of high-voltage differential probes with bandwidths up to 500 MHz, ideal for GaN/SiC devices, switching power supplies, and high-speed power electronics. Available in ±200 V to ±2000 V models with multiple attenuation ranges, BumbleBee® probes ensure precise, low-noise signal measurement even in harsh test environments..

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The PMK BumbleBee® Series is purpose-built for today’s demanding power electronics applications, offering unmatched differential and common-mode performance for signals up to ±2000 V. Each model is equipped with four user-selectable attenuation ranges, enabling users to adapt to varying voltage levels while minimizing noise and maximizing resolution.

With bandwidths up to 500 MHz, these probes are ideal for analyzing fast switching transients, such as those found in GaN, SiC, IGBT, and motor drive systems. The long 7-meter cable ensures signal acquisition from remote or enclosed test environments without compromising signal integrity.

Each probe features manual control via the probe head and optional remote control through a PMK power supply (USB or LAN-enabled). For portable and isolated use, the AP-01 battery pack delivers more than 8 hours of independent probe operation — perfect for mobile or field testing without software requirements.

  • Models rated for ±200 V, ±400 V, ±1000 V, and ±2000 V differential input

  • Wide bandwidths: 400 MHz or 500 MHz depending on model

  • Four selectable input attenuation ranges per probe

  • Up to 7 m cable length for flexible test point access

  • Built-in offset correction: ±4 V (output referred)

  • Compatible with any oscilloscope with 50 Ω input

  • Supports both manual and remote control operation

  • Power supply options include USB/LAN or portable battery (AP-01)

  • Optimized for high-performance SiC/GaN power device testing

  • Voltage Ranges: ±200 V, ±400 V, ±1000 V, ±2000 V (depending on model)

  • Bandwidth: 400 MHz or 500 MHz

  • Input Attenuation: 4 user-selectable settings per probe

  • Cable Length: Up to 7 m

  • Offset Adjustment: ±4 V DC (output referred)

  • Oscilloscope Compatibility: Any 50 Ω input scope

  • Power Options:

    • PMK power supply with USB/LAN & remote control

    • AP-01 battery pack (8h portable use, no remote control)

  • Control Options: Local (on probe head) or remote (via power supply)

  • Ideal For:

    • Switching power supplies

    • GaN/SiC designs

    • Motor drives & inverters

    • IGBT & frequency converters

    • High-voltage circuit debugging