R&S®EZ-17 Current probe

For disturbance current and current injection measurements

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

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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.

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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.