描述
UCVEH2A 359B6160EA
根据仪器仪表应用的工程实践，仪器仪表受雷击可大致分为直击雷、感应雷和传导雷。但不论以哪一种形式到达设备都可归纳为从以下4个部位侵入的雷电浪涌，在此把这些部位称为防雷端口，并以仪器仪表举例说明。在控制系统中,为了实现信号或信息的传递总要有与外界连接的部位,如过程控制系统的信号交接端的总配线架、数据传输网的终端、微波设备到天线的馈线口等等，那么这些从外界接收信号或发射信号出去的接口都有可能受到雷电浪涌冲击。因为从楼外信号端口进来的浪涌往往通过长电缆，所以采用10/700μs波形，标准规定线到线间浪涌电压为0.5kV，线到地间浪涌电压为1kV。而楼内仪器仪表之间传递信号的端口受到浪涌冲击相当于电源线上的浪涌冲击，采用1.2/50（8/20）μs组合波，线到线、线到地浪涌电压限值不变。一旦超过限值，信号端口和端口后的设备有可能遭受损坏。尽管在标准中没有专门提到接地端口的指标，实际上信息技术设备地端口是非常重要的。在雷电发生时接地端口有可能受到地电位反击、地电位升高影响，或者由于接地不良、接地不当使地阻过大达不到参考电位要求使设备损坏。接地端口不仅对接地电阻/接地线极（长度、直径、材料）、接地方式、地网的设置等有要求，而且还与设备的电特性、工作频段、工作环境等有直接的关系。同时从接地端还有可能反击到直流电源端口损坏直流工作电压的设备。综上所述，信息技术设备的防雷可以考虑从四个关键的端口入手
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Tektronix SD-22 SD22 Sampling Head 12.5GHz
Tektronix SD-20 SD20 Loopthrough Sampling Head
Agilent HP 11612A Bias Network 45MHz – 26GHz
Agilent 16191A Side Electrode SMD Test Fixture COMPLETE
Agilent HP 11664D 26.5 – 40 GHz Scalar Coaxial Detector
Agilent / HP 4140B pA Meter / DC Voltage Source
Tektronix 3056 Real Time DC to 3 GHz Spectrum Analyzer
Agilent HP 85021B Directional Bridge10MHz to 26.5GHz
Agilent HP 85033D opt. 100 Calibration Kit, 3.5 mm
Fluke 5450A Resistance Calibrator with warranty
Racal-Dana 1992 Timer / Counter 1.3 GHz w/ warranty
Fluke / Philips PM6669 Timer / Counter 120MHz / 1.3 GHz
Rohde & Schwarz FSEM30 Spectrum Analyzer 26.5 GHz R&S
Tektronix TDS784D Digital Oscilloscope 1GHz 4GS/s 4CHs
HP Agilent 8447A Dual Channel Amplifier, Option 001
Hewlett Packard Agilent 8447A Amplifier, 100 kHz to 400
hewlett Packard Agilent 462A Pulse Amplifier 20 & 40db
ENI 601L RF Power Amplifier 0.8 to 1000 MHz, 1.2 W
Agilent / HP 11636B Power Divider, DC to 26.5 GHz
Gigatronics 8541B Power Meter with Warranty
Agilent / HP 85039A Type F Calibration Kit 75 Ohm
Agilent / HP E4420B Signal Generator 250 kHz – 2 GHz
Agilent 83732B Synthesized Signal Generator .01 – 20GHz
Keithley 775 Programmable Counter / Timer
Agilent HP 85050A 7mm Calibration Kit
Anristu 2000-768 Precision OSL Calibration Kit DC-8GHz
Anristu 2000-767 Precision OSL Calibration Kit DC-8GHz
Agilent / HP 70100A Power Meter Module with Warranty
Two Narda 378NM Type N Coaxial Fixed Termination 18GHz
Gigatronics 80701A Power Sensor 0.05-18GHz
HP 909A Coaxial Termination DC to 18 GHz Type N female
Agilent HP 16092A Spring Clip Fixture
HP 8470B Low-Barrier Schottky Diode Detector 10M-18GHz
Wiltron Anritsu 560-7S50 RF Detector w/ opt. 02
Agilent N1300A 002 CMU Cable 3m for Agilent B1500A
SRS SR510 Lock-In Amplifier with Warranty
Agilent / HP 214B Pulse Generator .3 – 100 V, .1-10 MHz
SRS SR570 Low-Noise Current Preamplifier w/ Warranty
Agilent HP 8447A Preamplifier 0.1 to 400 MHz
Agilent / HP 83522A RF Plug In 0.01-2.4 GHz w/warranty
Agilent HP 6226B DC Power Supply 0-50V, 0 – 1.5A
Systron Donner 6246A 26GHz Microwave Frequency Counter
Agilent / HP 83545A RF Plug In 5.9-12.4 GHz w/warranty
Agilent 83492A Optical clock recovery module w/Warranty
Lambda / TDK GEN40-19 DC Power Supply 40V 19A 760W
Fluke / Philips PM6665 Timer / Counter 160MHz / 1.3 GHz
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Agilent / HP 83480A Digital Communications Analyzer
Agilent N1254A opt 100 GNDU to Kelvin Adaptor
Agilent HP 8472A Crystal Detectors 10MHz – 18GHz
Agilent E4418B EPM Series Single-Channel Power Meter
Agilent / HP 86060C Lightwave Switch with Warranty
Agilent / HP 0950-3246 – 4396B 4294A Power Supply Board
Agilent 83485B 30GHz optical / 40 GHz electrical module
Agilent / HP 8757A Scalar Network Analyzer w/Warranty
Anritsu MS2711D Spectrum Analyzer 3 GHz with warranty
Tektronix TLS216 Logic Analyzer 16 CHz 2 GS/s w/probes
LeCroy LT344 WaveRunner 500 MHz Oscilloscope 4 Channels
Agilent E4407B Spectrum Analyzer 26.5GHz w/ Warranty
Agilent E6651A Mobile WiMAX Test Set w/ 503 & Warranty
Symmetricom / HP 58538A Lightning Arrestor DC-2.5 GHz
Agilent / HP 33340C Attenuator, DC – 26.5 GHz, 20 dB
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Tektronix TDS7404B Oscilloscope 4GHz 4 Ch 20GSa/s
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Agilent / HP 54832D 1 GHz Infiniium Oscilloscope
Agilent 81651A Laser Source 1550 nnm with Warranty
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Racal 1260-12 Relay Actuator Module with Warranty
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