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NHJ-600系列检漏仪是一款全自动便携式氦质谱检漏仪，小巧的体积，适用于精密的、快速便携的真空行业和科研院所。

运用了氦质谱和逆扩散原理,采用了180°非均匀磁场和全自动控制技术.实现了自动氦峰扫描、自动校准和自动量程切换,

具有轻便携带、快速启动、运算速度快、灵敏度高、检测迅速等特点。

NHJ-600series leak detector is a fully automatic portable helium mass spectrum leak detector, small volume, suitable for precision, fast and portable vacuum industry and research institutes.

Using helium mass spectrometry and inverse diffusion principle, using 180° inhomogeneous magnetic field and automatic control technology. Automatic helium peak scanning, automatic calibration and automatic range switching are realized.

It has the characteristics of portable, fast start, fast operation, high sensitivity, accurate and rapid.