Gravimetric Match Weighed Cassettes :: Gravimetric Weighed Cassettes :: Air Sampling Cassettes - Preloaded :: Sampling Medias & Cassettes :: Zefon International, Inc.
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Zefon International, Inc. :: Sampling Medias & Cassettes :: Air Sampling Cassettes - Preloaded :: Gravimetric Weighed Cassettes :: Gravimetric Match Weighed Cassettes

Gravimetric Match Weighed Cassettes  
Gravimetric Match Weighed Cassettes 
Printable version

Zefon match-weighed cassettes eliminate the user's inconvenience of pre-weighing filters for gravimetric analysis. Each cassette contains 2 filters which are matched in weight. After sampling, the user will weigh both filters. The difference in weight of the two filters will determine the sample amount.

Zefon uses the best in filter weighing technology to produce premium quality match-weighed cassettes. Our process includes preloading under strict environmental controls to ensure reproducibility - and provides the user with a quality product at a competitive price.
Features:
  • 2 or 3 piece housing

  • Labels with serial numbers provided

  • Color Coded to indicated filter type and pore size

  • Preloaded - ready to use
  • Leak Free Design

Zefon 37mm Match-Weighed Cassettes are available in the following configurations:

FILTER TYPE MCE MCE
PURE HOMOPOLYMER PVC


PORE SIZE
0.8um
0.8um
0.8um
5.0um
5.0um
HOUSING STYLE
2PC 37MM
3PC 37MM
FILTER PAIRS
ONLY
3PC 37MM
2PC 37MM
WEIGHT TOLERANCE
50ug
50ug
50ug
20ug
20ug
COLOR CODE
BLUE
BLUE
NONE
RED
RED
PACK SIZE
50/BOX
50/BOX
50 PAIRS/BX
50/BOX
50/BOX
PRODUCT NUMBER
7M92M
7M93M
FMCE837-MW50
7M53P
7M52P



Dr. Z Tips

The weight tolerance of match weighed filters references the maximum difference in weight from the test (top) filter and the control (bottom) filter. A stated tolerance of 50g means that the control filter may differ in weight no more than 50g from the test filter. This is important to know during post sample weighing as the weight tolerance of the 2 filters needs to be considered when calculating results.

During manufacture, filters with matched weights (within the given tolerance) are inserted into the cassette in random order. Thus, it is possible for the control filter to weigh more than the test filter before sampling (within the given tolerance). If the control filter still weighs more after sampling, a sample likely was not collected. Please check your equipment for proper operation and pump flow.



 
 
Details
 
Manufacturer Zefon International
U/M 50/Case
Stock Status Normally Ships within 24 hours

Product Price Order

  37mm 2pc Cass w/ 0.8m MCE Filters matched within 50g
  Product #: 7M92M

$210.00  

  37mm 3pc Cass w/ 0.8m MCE Filters matched within 50g
  Product #: 7M93M

$210.00  

  37mm 0.8m MCE Filters matched within 50g
  Product #: FMCE837-MW50

$185.00  

  37mm 2pc Cass w/ 5.0m PVC Filters matched within 20g
  Product #: 7M52P

$235.00  

  37mm 3pc Cass w/ 5.0m PVC Filters matched within 20g
  Product #: 7M53P

$235.00  

  37mm 5.0m PVC Filters matched within 20g
  Product #: FPVC537-MW20

$210.00  

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All products and prices posted are valid for sale in the USA only
If you are not from the USA, CLICK HERE to locate
an Authorized Zefon Distributor in your area.
 

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An ISO 9001-2008 Certified Company