DPB5150 Differential High Voltage Probe 70 MHz Bandwidth 1500 V Input 50X 500X Attenuation

The DPB5150 is a high-voltage differential probe from Siglent’s DPB5000 series, designed for precise floating voltage measurements in demanding applications. With a DC to 70 MHz bandwidth and fast rise time (~5 ns), it supports up to 1,500 V differential input (DC plus peak AC) when using the 500× attenuation setting, or 150 V at 50×. The probe offers selectable 50× or 500× attenuation, converting high differential voltages to safe ≤±8 V output. It achieves ±2% DC accuracy, features <4 pF input capacitance per side (total <2 pF differential), and comes with built‑in overload detection and LED signals. Powered by a standard USB 5 V / 1 A adapter, the probe body is compact and lightweight (~4 lb) and comes packaged in a 32 × 26 × 9 cm box. Ideal for lab and industrial waveform capture, power electronics testing, and inverter or drive circuit

Key Features

• 70 MHz bandwidth (–3 dB) with rise time ≤ 5 ns for accurate high-speed voltage measurements.
• Supports maximum differential voltage of 1,500 V at 500× attenuation, or 150 V at 50×.
• Dual selectable attenuation ratios (50× / 500×), converting input to safe ±8 V output.
• High DC accuracy of ±2% across attenuation settings.
• Ultra-low input capacitance (<4 pF per channel, <2 pF differential), ensuring minimal loading.
• Powered via USB 5 V/1 A adapter, with built-in overload indicator for safe operation.