Keysight 1146B AC/DC Current Probe

Overview

The Keysight 1146B is an AC/DC current probe that provides accurate measurement of currents up to 100 A DC or peak AC from DC to 100 kHz without breaking the circuit. The probe features Hall-effect sensor technology to measure both AC and DC signals. It is compatible with any Keysight oscilloscope with 0.2 to 0.5 V/div sensitivity and 1 MΩ BNC input, and is ideal for capturing transient current signals in motor controllers, switching power supplies, inverters, and current amplifiers driving inductive loads.

Key Features

• Frequency range: DC to 100 kHz (-3dB with current de-rating)
• Maximum peak current: 10 A DC or peak AC at 100 mV/A, or 100 A DC or peak AC at 10 mV/A
• AC current accuracy: 3% of reading at 100 mV/A, 4% at 10 mV/A (500 mA to 40 A), 15% maximum at 100 A
• Working voltage: 600 V maximum
• Battery: 9 V alkaline
• Hall-effect sensor technology
• Non-invasive measurement without breaking the circuit

Applications

• Motor controller current monitoring
• Switching power supply measurements
• Inverter circuit analysis
• Inductive load current measurement
• Power electronics troubleshooting