R&S®EZ-17 Current probe

For disturbance current and current injection measurements

R&S®EZ-17 Current probe
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R&S®EZ-17 Current probe, Side view

Key facts

  • Frequency range 20 Hz to 100 (245) MHz
  • Large inner diameter of 30 mm
  • Load capacity for DC and AC currents up to 300 A
  • Simple clamping thanks to spring-loaded mechanism
  • Calibrated in line with CISPR 16-1-2

For disturbance current and current injection measurements

RF currents carried on equipment and system supply and control lines can be measured with R&S®EZ-17 current probes on the conductors. The current probe acts as a transformer with the current-carrying conductor as its primary winding. A voltage proportional to the primary current is measured at the current probe RF output. The current probe is used to inject sine-wave or pulse-shaped RF current into lines or cable harnesses for immunity measurements. The probes are shielded against electrostatic effects.

Features & benefits

Emission measurements

Emission measurements and shielding effectiveness

The R&S®EZ-17 model 02 with its flat frequency response above 1 MHz and output impedance of 50 Ω is ideal for measuring emissions and shielding effectiveness. Model 02 complies with CISPR16-1-2.

Immunity and high sensitivity

Immunity and high sensitivity measurements

The R&S®EZ-17 model 03 is ideal for immunity measurements thanks to its high load capacity (bulk current injection tests). With its small transducer factor in the 1 MHz to 245 MHz range, the current probe is also recommended for emission measurements with strict sensitivity requirements.

Overload function

High magnetic overload capacity

R&S®EZ-17 current probes can be used on three-phase power lines with currents up to 300 A, without any negative effect on RF current measurements. The small dimensions – despite the large inner diameter – and simple clamping mechanism mean the current probes can be used even when space is at a premium.

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