大卖！！S331A S331B S331A S331A

S331A与S331B
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

The Anritsu S331B, with frequency coverage of 25 MHz to 3300 MHz, is ideally suited for users who work in VHF, broadcasting, paging, cellular, PCS/GSM and ISM and WLL frequency bands. Both S331B and S332B can replace the S300A and the S331A site master models. The newly improved user interface, large VGA display, real time clock, alphanumeric trace naming, field replaceable battery and up to 517 data points and 200 trace storage make these two site master models ideally suited for any experience level user in commissioning and maintenance of today's wireless systems infrastructures