放大器、电子放大器、液动放大器和气动放大器等,其中用得广泛的是电子放大器。随着射流技术(见射流元件)的推广,液动或气动放大器的应用也逐渐增多。电子放大器又按所用有源器件分为真空管放大器、晶体管放大器、固体放大器和磁放大器,其中又以晶体管放大器应用广。在自动化仪表中晶体管放大器常用于信号的电压放大和电流放大,主要形式有单端放大和推挽放大。此外,还常用于阻抗匹配、隔离、电流-电压转换、电荷-电压转换(如电荷放大器)以及利用放大器实现输出与输入之间的一定函数关系(如运算放大器)。
0811405100 VT-VRPA1-527-10/V0/RTP
0811405101 VT-VRPA1-527-10/V0/PV-RTP
0811405102 VT-VRPA1-537-10/V0/PV-RTP
0811405103 VT-VRPA1-527-10/V0/QV-RTP
0811405104 VT-VRPA1-53710/V0/QV-RTP
R901009038 VT-VRPA1-100-1X/V0/0
R901057058 VT-VRPA1-150-1X/V0/0
R901057060 VT-VRPA1-151-1X/V0/0
R900952202 VT-VRPA1-50-1X
R900952204 VT-VRPA1-51-1X
R900952205 VT-VRPA1-52-1X
R900214081 VT-VSPA2-50-1X/T1
R900214082 VT-VSPA2-50-1X/T5
R900979887 VT-VRPA2-1-1X/V0/T1
R900979888 VT-VRPA2-2-1X/V0/T5
R900979889 VT-VRPA2-2-1X/V0/T1
R900979885 VT-VRPA2-1-1X/V0/T5
R901002090 VT-VSPA2-1-2X/V0/T1
R900021909 VT-VSPA2-1-1X/T1
R901002095 VT-VSPA2-1-2X/V0/T5
0811405060 VT-VRRA1-527-20/V0
0811405063 VT-VRRA1-527-20/V0/2STV
0811405074 VT-VRPA1-527-20/V0/RTS-2/2V
0811405061 VT-VRRA1-537-20/V0
0811405062 VT-VRPA1-537-20/V0
0811405097 VT-VRPA1-537-10/V0/PV
特点
–适用于控制不带位置控制的比例阀(压力和方向阀)的模拟放大器
–差动输入
–斜坡时间可调节(60 ms...5 s)
–灵敏度,阀零位,振电流频率可调节
–工作电压 24 V
VT-SSPA1-508-2X/V0/0 VT-SSPA1-508-2X/V0/0 VT-SSPA1-508-2X/V0/0
VT-SSPA1-508-2X/V0/0 VT-SSPA1-508-2X/V0/0 VT-SSPA1-508-2X/V0/0
0811405099 VT-VRPA1-537-10/V0/QV
0811405179 VT-VRPA1-537-1X/V0/PV-RTS
0811405178 VT-VRPA1-537-1X/V0/QV-RTS
0811405079 VT-VSPA1-525-10/V0/RTP
0811405081 VT-VSPA1-508-10/V0/RTP
0811405120 VT-VRPA2-537-10/V0/RTP
R900033823 VT-VSPA1-1-1X
R900053778 VT-VSPA1K-1-1X
R900579497 VT5035-1X/
R900782310 VT-VSPA1-2-1X/V0/0
R901002761 VT-VSPA1-2-1X/V0/A4
R900211788 VT11118-1X/
R900010958 VT11011-1X/
R900010937 VT11006-1X/
R900579491 VT5006-1X/
R901196678 VT5041-30/3-0
R900962356 VT-HNC100-1-2X/M-08-0-0
0811405106 VT-MSPA 2-525-10/V0
R900209648 VT3002-1-2X/15H
VT3002-2X/32D 升级R900020153 VT3002-1-2X/32D
VT3002-1-2X/32F
R900020154 VT3002-1-2X/48F
R900991843 VT3002-1-2X/64G
VT3002-2-2X/32D
力士乐液压元件: 柱塞泵A10VSO、电磁阀4WE、溢流阀DBW、节流阀Z2S、Z2F、叶片泵PV7、齿轮泵PH2,PH4,PGF、压力继电器HED、博世放大器 阀0811、0820 、齿轮泵0510、减压阀DR、ZDR、4WREE等系列特价现货优势供应