1.4L HDS MiniCan™ Sampler (12 Hour)_价格_北京谱朋科技有限公司

产品详情

1.4L HDS MiniCan™ Sampler (12 Hour)

SKU: 29-MC1400H12

Rather than performing a traditional vacuum sampling event, MiniCans and Bottle-Vacs™ are initially filled with helium, or helium with a recovery surrogate, and active sampling occurs in response to the controlled exchange of helium with air through a diffusion region. An HDS™ diffusion zone’s internal diameter is 20–50 times larger than typical critical orifice samplers, so particulate plugging is virtually impossible. HDS™ eliminates the need for sampler calibration, as relative diffusion rates of Helium and air are virtually constant. And unlike passive sampling with tubes – where compounds lighter than Benzene are not recovered quantitatively – HDS monitoring recovers all compounds heavier than Helium.

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供货周期：	一周
品牌：	ENTECH
货号：