Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
TH1778A 直流偏置电流源采用高性能微处理器，能提供单台 0~20A 的恒流输出，并可连接从机提升最大输出电流至 0~120A，具有优良的可裁剪性及可扩展性，同时配备能与本公司各型 L 表及 LCR 电桥直接连接的测试接口，适用于磁性电感器的交直流叠加测试及为磁性材料的特性分析提供方便实用的磁化电流源。仪器在工作时能接受实时修改的电流，并立即做出响应。 采用新一代交直流叠加测试原理，以适应于高精度、高频化的测试需求。 仪器拥有全新设计的友好的图形化操作界面，提供多种控制方式：手动按键控制，脚踏开关控制以及远程指令控制。
| model number | TH1778A主机 | ||
| demonstrate | 7英寸 800×600 RGB TFTLCD屏 | ||
| manipulate | 实体按键+脚控开关 | ||
| Supported Measurement Frequency | 0Hz-2MHz | ||
| current range | 0-20A | ||
| amps | range (of scales or measuring equipment) | 0mA-1.000A | 1.000A-5.000A |
| stepper | 5mA | 25mA | |
| Scan Adjustment Time | 4ms-3600s | 10ms-3600s | |
| Scan Adjustment Minimum Step | 5mA | 25mA | |
| range (of scales or measuring equipment) | 1.000A/5.000A/20.0A | ||
| Maximum Output Voltage | 10V（此电压为输出1.000A时的电压，不同量程请参照用户手册） | ||
| Maximum Allowable DC Resistance | Rmax=Vmax/I (Ω)（Rmax的计算请参照用户手册说明） | ||
| Maximum Allowable Inductance | Lmax=Vmax/(di/dt) (mH)（Lmax的计算请参照用户手册说明） | ||
| Measurement range | automation | ||
| Start and stop control mode | START/STOP physical buttons, 4 types of foot controls, buses | ||
| Continuous loading of maximum current time | Conservative 2-3h, uninterrupted output | ||
| functionality | Instrument fault self-test; 99 groups of customized file management; dual progress bar indicators; Chinese and English bilingual; slave soft switch; real-time operation; SCPI command set; simple dual-display calculator, etc. | ||
| LCR connectivity | 可受控TH2829/TH2827/TH2832/TH2838/TH2839 | ||
| connector | RS232、SlaverLink | ||
■ Frequency response: 0Hz-2MHz
■ 提供单台0-20A恒流输出
■ Support up to 6 sets of on-line, maximum 120A constant current output
■ 单一电流、步进扫描两种电流输出方式
■ 主/从机控制模式,灵活的可裁剪性及可扩展性
■ Fine current stepping
■ 图形化操作,中英文界面
■ 两种SCPI指令模式，适应性强
■ 5种控制模式
■ 直接受控于TH2829/TH2827/TH2838/TH2839/TH2830系列
■ Inductor/Reactor DC Characterization
■ Iron core/ferrite material saturation characterization
■ DC characterization of other materials
| standard equipment | |||||
| Accessory Name | model number | ||||
| 测试连接盒 | TH26004E-2 | ||||
| Test Fixture | TH1778-01 | ||||
| Test Fixture | TH1778-02 | ||||
| Test Fixture | TH1778-03 | ||||
| RS232连接电缆(配TH10101) (两头孔,2和3脚交叉)(2H/DB-9F 2/L 1400) | TH26034 | ||||
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