Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
TH1778A DC bias current source adopts high-performance microprocessor, which can provide a single 0~20A constant current output, and can be connected to the slave to enhance the maximum output current to 0~120A, with excellent scalability and expandability, and is equipped with a test interface that can be directly connected to the company's various types of L-meters and LCR bridges, which is suitable for AC and DC superimposed testing of magnetic inductors and providing a convenient and practical magnetization current source for the characterization of magnetic materials. The instrument is suitable for AC/DC superposition testing of magnetic inductors and provides a convenient and practical magnetizing current source for magnetic material characterization. The instrument is capable of accepting and responding to real-time current modifications during operation. Adopts the new generation of AC/DC superposition testing principle to meet the demand of high precision and high frequency testing. The instrument has a newly designed user-friendly graphical operation interface and provides various control methods: manual key control, footswitch control and remote command control.
| model number | TH1778A Mainframe | ||
| demonstrate | 7-inch 800×600 RGB TFTLCD screen | ||
| manipulate | Physical keypad + footswitch | ||
| 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 (this voltage is the voltage at 1.000A output, please refer to the user manual for different ranges) | ||
| Maximum Allowable DC Resistance | Rmax=Vmax/I (Ω) (For calculation of Rmax, please refer to the user's manual for instructions) | ||
| Maximum Allowable Inductance | Lmax=Vmax/(di/dt) (mH) (for calculation of Lmax, please refer to the user's manual for instructions) | ||
| 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 | Controllable TH2829/TH2827/TH2832/TH2838/TH2839 | ||
| connector | RS232, SlaverLink | ||
■ Frequency response: 0Hz-2MHz
■ Provide a single 0-20A constant current output
■ Support up to 6 sets of on-line, maximum 120A constant current output
■ Two types of current outputs: single current and step scanning
■ Master/slave control mode, flexible customizability and expandability
■ Fine current stepping
■ Graphical operation, Chinese and English interface
■ Two SCPI command modes for adaptability
■ 5 control modes
■ Directly controlled by TH2829/TH2827/TH2838/TH2839/TH2830 series
■ Inductor/Reactor DC Characterization
■ Iron core/ferrite material saturation characterization
■ DC characterization of other materials
| standard equipment | |||||
| Accessory Name | model number | ||||
| Test connection box | TH26004E-2 | ||||
| Test Fixture | TH1778-01 | ||||
| Test Fixture | TH1778-02 | ||||
| Test Fixture | TH1778-03 | ||||
| RS232 connection cable (with TH10101) (two holes, 2 and 3 pins crossed) (2H/DB-9F 2/L 1400) | TH26034 | ||||
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