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Name： SMS系列超导磁体电源

Date：2019-05-05

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SMS系列超导磁体电源

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Overview
Specifications
Parameter

SMS系列超导磁体电源

综述

Cryogenic公司的SMS系列超导磁体电源系列提供多种输出电流和驱动电压选项。所有的型号都是基于相同的基本设计，这种设计是专门为超导磁体供能而构思的。

双重稳定型模拟控制回路的频率响应，运行在电压控制模式或者电流控制模式，能在确保稳定性的基础上进行调整并适应，哪怕是在驱动一个纯电感负载的时候。开关模式的供电设备和模拟输出级都是风冷的，SMS10C是使用一个不需要风扇冷却的线性供电设备。

电源由一个精密的微处理器单元组成，通过内部固件控制所有的运行状态，这为响应特殊要求和高端“智能”控制演化提供了极大的灵活性。

特点

标准的电源有一个全16位的设定和分流电压读数，这能通过USB连接到外部电脑上进行设置和读取。失超检测是电源的固件组成部分。对于要求更高电流设置分辨率的用户，Cryogenic公司能提供20位的高分辨率和高稳定性电源。

标准电源具有以下设计特点：

Ø 前面板按键操作使用方便，全40位字母文字数字式的真空荧光显示

Ø 标准16bit分辨率（1.8mA），20bit分辨率（0.1mA）

Ø 允许计算机控制或数据记录的光隔离接口

Ø 标准USB接口，可拓展RS232和GPIB接口

Ø 带自动防故障缓冲器的高精度双稳定型输出和20ppm/K/hr稳定性的高精度分流监测

Ø 全自动失超监测和内部缓冲器保护

Ø 具有双重设置点和中止点的精确斜升，具有电压限度的快速斜升

Ø 远程驱动可调节开关加热器最大输出：0-8V，100mA

Ø 可用于外围设备的辅助模拟和数字接口（包含用于低氦安全的Cryogenic HLG部件，外部访问输入，所有通过电脑接口的有效外部读取）

可选项：

Ø 全自动四象限运行，使用我们的四象限智能切向设备可实现电流平滑过零

Ø 高稳定性的电流传感器监测，大约2-3.5ppm/K/hr

Ø 20位输出分辨率（20位电源同样适用于高稳定性电流传感器）

Ø RS232或USB或NI IEEE488.2（需额外费用）任选

性能测量

m(H)低场选项

一个薄的铁磁薄膜的狭窄磁滞回线是通过低场态中的磁体测量的。时间常数是10S，使用Cryogenic VSM的前置放大器。

磁滞回线是由于受到磁体中剩磁的影响产生水平移动而形成的。在这种情况下，剩磁强度是+1.5mT。噪音水平会视数据的标准偏差而定，在20和30mT之间是9.7×10-7 emu。

规格和选型表

Cryogenic公司超导电源

SMSxxxC xxx A，5V电源，16位分辨率，带标准的分流电阻输出，温度稳定性大约是20-30ppm/K/hr

SMS10, SMS30, SMS60, SMS80, SMS120, SMS130

SMSxxxC-H

xxx A，10V电源，16位分辨率，带标准的分流电阻输出，温度稳定性大约是20-30ppm/K/hr

SMS10, SMS30, SMS60, SMS80, SMS120

SMSxxxC-HV xxx A，15V电源，16位分辨率，带标准的分流电阻输出，温度稳定性大约是20-30ppm/K/hr

SMS10, SMS30, SMS60, SMS80

SMSxxxC-T

xxx A，5V电源，16位分辨率，带一个电流传感器输出，增强的输出温度稳定性，稳定性大约是15-20ppm/K/hr

SMS10, SMS30, SMS60, SMS80, SMS120, SMS130, SMS150, SMS160, SMS240, SMS360, SMS480, SMS600

SMSxxxC-H-T xxx A，10V电源，16位分辨率，带一个电流传感器输出，增强的输出温度稳定性，稳定性大约是15-20ppm/K/hr

SMS10, SMS30, SMS60, SMS80, SMS120, SMS130, SMS150, SMS160, SMS240, SMS360, SMS480, SMS600

SMSxxxC-HV-T xxx A，15V电源，16位分辨率，带一个电流传感器输出，增强的输出温度稳定性，稳定性大约是15-20ppm/K/hr

SMS10, SMS30, SMS60, SMS80, SMS120, SMS130, SMS150, SMS160 Special

Request & Pricing: SMS240, SMS360, SMS480, SMS600

SMSxxxC-T-4Q

xxx A，5V电源，16位分辨率，带一个电流传感器输出，带自动四象限运行的四象限开关，可使用我们的四象限智能切向设备实现电流切向平滑过零，增强的输出温度稳定性，稳定性大约是15-20ppm/K/hr

SMS10,SMS30,SMS60,SM

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