The Agilent/Keysight 1147A is a 50 MHz active current probe for DC and AC current measurements up to 15 A. It combines Hall Effect sensing for DC and current transformer technology for AC, eliminating the need for electrical circuit connection. The split-core design accommodates conductors up to 5 mm diameter, enabling quick attachment and removal without circuit interruption.
– Technical Specifications
• Bandwidth: DC to 50 MHz (–3 dB)
• Rise Time: 7 ns or less
• Continuous Current: 10 Arms
• DC Current: 15 ADC
• Peak Current (AC + DC): 15 A peak
• Peak Current (Non-continuous): 30 A, 45 A, 50 A peak at pulse width ≤10 µs
• DC Accuracy: ±1% of reading ±1 mV
• AC Accuracy (45–66 Hz): ±1.0% reading ±1 mV
• Noise: 2.5 mArms or less
• Output Voltage Rate: 0.1 V/A
• Power Supply: ±12 Vdc ±1 V
• Temperature Coefficient: ±2% or less (0°C to 40°C)
• External Magnetic Field Effect: Maximum 20 mA (DC to 60 Hz, 400 A/m field)
• Sensor Cable Length: 1.5 m
• Power Cable Length: 1 m
• Probe Dimensions: 175 mm × 18 mm × 40 mm
– Key Features
• Zero adjustment dial for offset and temperature drift correction
• Demagnetizing switch removes residual magnetism
• AutoProbe interface enables automatic oscilloscope configuration
• Snap-on BNC output connector
• Low circuit insertion loss
• Operating temperature: 23°C ±3°C, minimum 30 minutes after power-on
– Typical Applications
Motor controllers, switching power supplies, inverters, and transient current signal capture in high-frequency switching environments.
– Compatibility & Integration
AutoProbe-compatible with Agilent/Keysight 54800, 5000, 6000, 7000, 8000, and 9000 Series oscilloscopes (except 6000 Series 100 MHz models). For 80000/90000 Series use, N2779A power supply and E2697A high impedance adapter required.
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