Advanced Test and Measurement
Instruments and Power Supplies

Rohde and Schwarz ESL Series

EMI Test Receiver with 3 and 6 GHz models

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The ESL EMI test receiver combines two instruments in one, measuring both EMC disturbances in accordance with the latest standards and also serving as a full-featured spectrum analyzer for diverse lab applications. The ESL is designed to meet the needs of cost-conscious users who want to perform diagnostic and precompliance EMI measurements up to 3 GHz or 6 GHz.

  • Frequency range from 9 kHz to 3 GHz or 9 kHz to 6 GHz covering almost all commercial EMC standards
  • Optional tracking generator
  • All major functions of an advanced EMI test receiver, including fully automated test sequences
  • Weighting detectors: max./min. peak, average, RMS, quasi-peak as well as average with meter time constant (CISPR-Average) and RMS-Average in line with the latest version of CISPR 16-1-1
  • Compact, lightweight instrument, can be battery-powered for mobile applications

Product Variants

Model Price


EMI Test Receiver 9kHz to 3GHz


EMI Test Receiver 9kHz to 3GHz with tracking generator


EMI Test Receiver 9kHz to 6GHz


EMI Test Receiver 9kHz to 6GHz with tracking generator
Model Description Price
GPIB interface for FSL
DC power supply 12 - 28 V for FSL
NiMH battery pack for FSL
OCXO reference frequency for FSL / ESL
Additional interfaces video/IF-output, power meter 28 V - DC for noise source
Gated Sweep function (software licence)
Application firmware for noise figure and gain measurements (for FSL and ZVL w. ZVL-K1) (software licence)
Analogue demodulation AM/FM/PM (software licence)
Power sensor measurements with NRP (software licence)
Series Model Price
Current probe, 9kHz to 600Mhz
Soft carrying bag for FSL
Additional charger unit for FSL-B31 battery. Allows charging the battery without FSL
19"-rack adapter for 3U 3/4 width unit
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