OES火花直读光谱仪
XRF荧光光谱仪
进口超声波探伤设备及探头
国产超声波探伤设备及探头
涡流检测设备及探头
磁粉探伤机
渗透检测流水线
磁粉检测耗材和附件
渗透检测耗材和附件
紫外线灯(黑光灯)
Western Instrument 磁轭
WesternInstrumeng磁轭
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如果有一对相同的载流圆线圈彼此平行且共轴,通以同方向电流,当线圈间距等于线圈半径时,两个载流线圈的总磁场在轴的中点附近的较大范围内是均匀的。故在生产和科研中有较大的实用价值,也常用于弱磁场的计量标准

The Helmholtz Systems shown here are used for generating precision magnetic fields for calibration of compasses, magnetometers, or in a larger forms may be used to cancel out ambient fields (such as the Earth's field). This might be necessary for taking precision measurements, or making precision adjustments requiring a neutral magnetic field such as aligning electron beam guns.

Each type of system needs a coils assembly and a power supply to function. These systems may be purchased with, or without the power supplies.

These are available in 1, 2 or 3 axis assemblies, from 4 inches in diameter to 6' cubes.

The power supplies are available in simple manual control configuration, all the way up to an automatic PC control, with data acquisition matched to the individual needs of the customer.

 
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