1146B Keysight Current Probe - High Bandwidth Hall Sensor
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Measure High Currents Safely Without Breaking Circuits
The Keysight 1146B AC/DC current probe lets you measure up to 100A safely. See both AC and DC current waveforms on your oscilloscope. Perfect for troubleshooting power electronics and motor drives.
Why Choose This Current Probe?
- Wide frequency range from DC to 100 kHz
- Measure up to 100A without circuit interruption
- Advanced Hall-effect sensor technology
- Safe isolation for circuits up to 600V
- Easy battery operation with included 9V power
- Direct upgrade from older 1146A model
Complete Technical Specifications
Brand: Keysight
Model: 1146B AC/DC Current Probe
Current Range:
- High Sensitivity: 10A (100 mV/A output)
- Low Sensitivity: 100A (10 mV/A output)
Bandwidth: DC to 100 kHz (-3 dB)
Accuracy (Typical):
- 100 mV/A range: ±3% reading (50 mA to 10A)
- 10 mV/A range: ±4% reading (500 mA to 40A)
Maximum Voltage: 600V CAT II
Output Signal: 1V per 100A (10 mV/A setting)
Power Requirement: 9V Alkaline battery
Compatibility: Works with most oscilloscopes (1 MΩ BNC input)
Jaw Size: Approximately 13mm diameter
Expert Answers to Common Questions
What applications is the 1146B best suited for?
Ideal for measuring inrush currents in motor starters, switching currents in power supplies, and ripple currents in inverters and converters.
How do I get accurate measurements with this probe?
Always perform the zero adjustment before measuring. Ensure the jaw is fully closed around one conductor for minimal noise interference.
Can I measure DC offset in AC signals?
Yes, the hall-effect technology accurately captures DC components superimposed on AC waveforms, unlike current transformers.
What's the typical battery life?
The 9V battery typically lasts 20-30 hours of continuous use. The probe automatically powers down after several minutes of inactivity.
Is special calibration required?
For most applications, the factory calibration is sufficient. Critical measurements may benefit from periodic calibration every 1-2 years.
Shipping & Warranty Information
We ship worldwide via FedEx, UPS, and DHL. Your package includes the Keysight 1146B probe, 9V battery, and user guide. All products come with a 12-month warranty covering defects.
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