R&S® ESL is an EMI test receiver that complies with the latest standards and has various weighting detectors. It can also be used as a spectrum analyzer. It is an economical EMI test receiver designed for users with limited budget who need precise validation and diagnostic measurements in the 3 GHz to 6 GHz frequency range. The R&S ESL has excellent RF characteristics, powerful analysis capabilities, fast measurements, and automatic test sequences, making it the preferred equipment for EMC laboratories.
This manual describes the Rohde & Schwarz ESL series, an economical EMI test receiver that also functions as a full‑feature spectrum analyzer. It covers the instrument’s main features, such as a wide frequency range, multiple weighting detectors, and battery‑operated portability, making it suitable for on‑site EMC testing.
The document includes detailed technical specifications, interface options, ordering information, and guidance on using optional accessories like the power sensor and GPIB interface. It also explains measurement modes, detector settings, and data storage capabilities. This manual is written in Chinese.
| Frequency range | 9 kHz – 3 GHz (ESL3) or 9 kHz – 6 GHz (ESL6) |
|---|---|
| Frequency resolution | 1 Hz |
| Amplitude accuracy | 0.5 dB (≤ 3 GHz), 0.8 dB (≤ 6 GHz) |
| Maximum input level | 30 dBm (RF attenuation ≥ 10 dB) |
| Noise floor (average) | –152 dBm (1 Hz RBW) |
| Power consumption | Typical 45 W, maximum 60 W |
| Dimensions (W × H × D) | 342.3 mm × 158.1 mm × 367.0 mm |
| Weight | 7 kg (8 kg with battery) |
| Interfaces | IEC/IEEE bus, LAN 10/100Base‑T RJ‑45, optional GPIB, video out, IF out, power sensor |
The ESL3 covers 9 kHz to 3 GHz, while the ESL6 covers 9 kHz to 6 GHz.
Yes, a rechargeable battery pack is available as an optional accessory for portable operation.
It includes an IEC/IEEE remote‑control bus, a 10/100 Base‑T LAN port, and optional GPIB, video out, IF out, and power‑sensor connections.