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Vac-U-Chamber
Eliminates Pump Contamination During Bag Sampling

Features
Vac-U-Chamber image
  • Allows direct filling of air sample bags
    • Uses negative pressure provided by most personal air sample pumps
    • Designed to contain SKC sample bags

  • Protects from contamination
    • Sample does not pass through the pump
    • Sample contacts only inert tubing and bag

  • Rugged heavy-duty construction
    • Will not collapse under vacuum

  • Two sizes available
    • Large for sample volumes up to 8 liters
    • Small for sample volumes up to 1 liter

  • Multiple Applications
    • Stack sampling
    • Ventilation studies
    • Hazmat testing
    • Soil gas sampling
    • Groundwater testing
    • Ambient or indoor air sampling
    • EPA Method 0040

Vac-U-Chamber Spec. Sheet (PDF)

The SKC Vac-U-Chamber
For Convenient, Reliable Bag Sampling

The SKC Vac-U-Chamber is a rigid air sample box that allows sample bags to be filled directly by using negative pressure provided by most personal air sample pumps. Because the sample does not pass through the pump, both pump and sample contamination are eliminated. All surfaces in contact with the sample are constructed of inert materials. The Vac-U-Chamber’s rigid walls will not collapse under vacuum conditions.

Using the Vac-U-Chamber

The Vac-U-Chamber is equipped with three 1/4-inch OD fitting ports for inflating sample bags:
  • Sample inlet port for connecting to the sample line or gas source

  • Purge port for purging the air prior to sampling or when preparing the bag for a standard

  • Vacuum port for inflating a bag
An air sample bag is connected to the inside sample inlet port and the chamber is closed, providing an airtight seal. An air sample pump is connected to the outside vacuum outlet port. When activated, the pump evacuates air from inside the chamber. The sample bag inflates as a result of the interior pressure drop. This pneumatic technique allows the air sample to enter the bag directly without passing through the pump, protecting the pump from sample contaminants and the sample from pump contaminants.

Ordering Information        

Large Vac-U-Chamber
Description Cat. No.

Complete Vac-U-Chamber Kit includes PCXR4 sample pump, single PowerFlex charger with cable, Large Vac-U-Chamber, and 10 SamplePro FlexFilm Bags (Cat. No. 236-004)
100-240 V

224-4115
Large Vac-U-Chamber only with stainless steel fittings (supplied without pump), suitable for use with SKC 8-liter sample bags 231-939
8-liter Sample Bag with single polypropylene fitting, for use with large Vac-U-Chamber (Cat. No. 231-939) pk/10 SamplePro PVDF* 247-939
SamplePro FlexFilm 236-004
FlexFoil Plus 252-08
Replacement Quick Disconnect with tubing for use with Cat. No. 231-939 P231941
PTFE Tubing, 5/16-inch OD (1/4-inch ID), 10 feet 231-937
PTFE Tubing, 5/16-inch OD (1/4-inch ID), 50 feet 231-924
* Also sold as Kynar, Solef, and Hylar

Small Vac-U-Chamber
Description Cat. No.
Complete Vac-U-Chamber Kit includes PCXR4 sample pump, single PowerFlex charger with cable, small Vac-U-Chamber, and 10 SamplePro FlexFilm sample bags (Cat. No. 236-001)
100-240 V 		224-4124
Small Vac-U-Chamber only with polypropylene fittings (supplied without pump), suitable for use with SKC 1-liter sample bags 231-940
1-liter Sample Bag with single polypropylene fitting, for use with large Vac-U-Chamber (Cat. No. 231-939) pk/10 SamplePro PVDF* 247-01
SamplePro FlexFilm 236-001
FlexFoil Plus 252-01
* Also sold as Kynar, Solef, and Hylar

The Vac-U-Chamber is available in other sizes and fittings as a custom order. Contact your SKC representative for more information.

Vac-U-Chamber Spec. Sheet (PDF)

Gas Sample Bags

Sample Pumps

This page was last modified December 13, 2011
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