Model 643 electromagnet power supply
643
The compact, low-noise design of the Lake Shore 643 electromagnet power supply makes it ideal for use in laboratory settings
广西科米瑞实验仪器设备有限公司生产销售 Lake Shore Cryotronics 643，可提供产品参数、报价和售后服务咨询，价格面议。
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Technical Specifications
Bipolar, linear, true 4-quadrant output
Can be modulated to frequencies up to 0.17 Hz at ±70 A
0.1 mA of programmed current resolution
Analog programming and IEEE-488 and RS-232C interfaces
Built-in fault protection
The Model 643 electromagnet power supply is a linear, bipolar current source providing true 4-quadrant output, eliminating the need for external switching or operator intervention to reverse current polarity. The Model 643 is capable of supplying ±70 A/±35 V to a nominal 0.5 W, 0.5 H load, and the output can be modulated from an external source to frequencies up to 0.17 Hz at ±70 A. Internally programmed output provides 20-bit resolution, while externally programmed output provides unlimited resolution.
The compact, low-noise design of the Model 643 makes it the ideal supply for use in laboratory settings. When combined with a Lake Shore EM-4V 4-inch electromagnet and Model 475 DSP gaussmeter, the Model 643 provides a versatile field control system ideal for a wide range of user-defined applications. These include but are not limited to magneto-optical, magnetic hysteresis and susceptibility, and Hall effect measurements, as well as in-line annealing.
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