S331A S331A二手天饋線測試儀

特點：
·準確的回程損耗/SWR測量
·可精確的測試傳輸線和天線
·免受現(xiàn)場RF干擾
·距離錯誤窗口顯示功能（S120A，S251A/B）
·損耗/收益存放（S114B，S332B）
·可選瓦特計
·可選內(nèi)置T型連接器（S251A/B）
·合成器精確到75ppm

技術指標
Model S331A
Frequency range 25 to 3300MHz(S331A)
25 to 4000MHz(S400A)
Freqeuncy accuracy(CW mode) 75ppm
Frequency resolution 100kHz
Immunity to interfering RF signals up to^*2 -15dBm
Return loss
SWR
Resolution:0.1dB
(S120A,S251A)
S810A,S818A,S820A)
Return loss:0 to 54dB
SWR:1 to 65
Horizontal range:0 to 128*(resolution)
Horizontal resolution,rectangular widowing resolution(meter):
Coax:(105*10^8)(up)/△ frequency^*3
Waveguide:(1.5*10^8)(√(1-(F F1)^2/√ frequency)^*4
monitor,Option 5)
Detector range:-50 to +20dBm,10nW to 100mW
Resolution:0.1dB,0.1*W
Trace memory 40(S331A and S400A)
50(S120A and S251A)
70(S800A series)
50(S120A and S251A)
70(S800A series)^*5
4(S120A and S251A)
6 (S800A series)
RF power detector:+20dBm,50Ω
Temperature
Storage:-20℃to 75℃
Weight
1.36kg(3.0lbs.)nom(S120A,S251A and S800A series)
Size
General
RS232:9-pin D-sub,three wire serial
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