MC450 HDS Sampler, 24 Hr

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MC450 HDS Sampler, 24 Hr

Product Description

Rather than performing a traditional vacuum sampling event, MiniCans and Bottle-VacsTM 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 HDSTM diffusion zone’s internal diameter is 20–50 times larger than typical critical orifice samplers, so particulate plugging is virtually impossible. HDSTM 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.

Additional Information

Weight 1 lbs
Sample Container Type


Product Line




Fill Duration

24 hrs

Valve Option

No Valve

Gauge Option

No Gauge



Sampling Method

Helium Diffusion Sampling