描述
结合Rohde&Schwarz频谱分析仪，R&S®EMF测量系统检测环境中的高频电磁场（EMF）。各向同性天线允许在现场对发射进行简单而精确的评估。
根据国家和国际标准测量EMF辐射，为确保发射机系统符合适用限值以及向公众传达这一点提供了基础。关键标准是精确、易于现场测量。
R&S®FSH与R&S®TS-EMF支持FSH-K105选项，还支持自动EMF测量，以及相关选项，还可解码3G和4G信号。
简要规格
| Isotropic 天线 | R&S®TSEMF-B3 | R&S®TSEMF-B1 | R&S®TSEMF-B2 |
| Measurement principle | isotropic reception due to orthogonally arranged antenna elements that are electronically switched | ||
| 频率范围 | 9 kHz to 200 MHz | 30 MHz to 3 GHz | 700 MHz to 6 GHz |
| 灵敏度/最小场强 | approx. 1 mV/m | ||
| 最大场强 | ≥100 V/m | ≥230 V/m | ≥230 V/m |
| Isotropy 各向同性 | ≤ ±1.37 dB | ≤ ±2.1 dB, ±1.0 dB (f = 900 MHz), ±1.7 dB (f = 1800 MHz) |
≤ ±2.5 dB (0.6 GHz to 2 GHz), ≤ ±2.2 dB (2 GHz to 3.6 GHz), ≤ ±3.0 dB (3.6 GHz to 6 GHz) |
| Mechanical design | radome protection against mechanical damage and environmental hazards | ||
| Antenna factor | individual calibration data, saved on USB dongle and/or CD | ||
| Axis switching | RF solid state switch | ||
| Connecting cables | direct connection to spectrum analyzer (extension cable (length: 8 m) see accessories) | integrated cable (length: 2 m) ferritebeaded (extension cable (length: 8 m) see accessories) | integrated cable (length: 2 m, extension cable (length: 8 m) see accessories)) |
| RF connector | N male | ||
| Connector, control line | 7-pin connector (binder) for direct connection to R&S®FSH power sensor port, adapter cable for connection to notebook or spectrum analyzer with USB output | ||
| Tripod adapter | ¼-” thread, quick connector for antenna | ||
| Requirements for notebook (not supplied) | MS Windows7 or Windows8 operating system, free hard disk space: min. 5 Gbyte display resolution: min. 800 × 600 pixel, two USB interfaces interface to test instrument (depending on analyzer: GPIB, LAN, USB or FireWire) recommended application: Excel 2007, 2010, 2013 |
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| Equipment supplied | isotropic sensor with connecting cable operator’s guide for R&S®RFEX and R&S®RFEX-Fast measurement software (on CD), tripod adapter, USB adapter cable, transit case (R&S®TS-EMF with at least one isotropic antenna) | ||
| Expanded measurement uncertainty R&S®TS-EMF with R&S®FSH (95 % confidence level (k = 2)) | ≤ ±2.5 dB | ≤ ±3.3 dB, ±2.3 dB at 0.9 GHz, ±2.9 dB at 1.8 GHz |
≤ ±3.1 dB (0.7 GHz to 1 GHz), ≤ ±3.3 dB at (1 GHz to 3.6 GHz), ≤ ±3.7 dB at (3.6 GHz to 6 GHz) |
| Expanded measurement uncertainty R&S®TS-EMF with R&S®FSL (95 % confidence level (k = 2)) | ≤ ±2.4 dB | ≤ ±3.2 dB, ±2.2 dB at 0.9 GHz, ±2.9 dB at 1.8 GHz |
≤ ±2.9 dB (0.7 GHz to 1 GHz), ≤ ±3.2 dB at (1 GHz to 3.6 GHz), ≤ ±3.6 dB at (3.6 GHz to 6 GHz) |
| Power supply | via spectrum analyzer or laptop | ||
| Ambient conditions | –10 °C to +50 °C, safety class IP54 (see user manual for details) | ||
| Weight (incl. cable) | 0.85 kg 1.87 lb |
1.3 kg 2.87 lb |
0.95 kg 2.09 lb |
| Dimensions (L × ∅) | 550 mm × 146 mm 21.7 in. × 5.75 in. |
475 mm × 170 mm 18.7 in. × 6.69 in. |
415 mm × 87 mm 16.3 in. × 3.43 in. |
