25 mm cassettes for asbestos

Asbestos style cassettes are designed with a unique outlet shape, often referred to as a “bell” shape, and are commonly used for asbestos sampling. They are available in a variety of configurations, including 2-piece and 3-piece designs with 2″-long spacer rings known as flaps.

It appears you are describing different types of conductive cassette housings used for air sampling in various applications, including asbestos sampling.

The conductive black polypropylene cassette housing is designed to be leak-free and is made using carbon-filled polypropylene which makes it conductive when properly grounded. Different types of cassette containers have different designs and are suitable for different sampling applications.

Standard two-section housings have a lower surface area compared to three-section or four-section housings, and are ideal for closed surface sampling applications where it is beneficial to minimize contaminants adhering to the walls of the home.

The standard three-piece style housing has an additional ring that separates the inlet from the filter media, and offers greater flexibility for both open and closed surface sampling applications, and is compatible with aluminum cyclones connected to the spacer ring.

The standard four-piece model housing has two additional rings and allows placement of a center filter to meet certain European standards and for shoot-through FTIR cassettes.

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  • The three-piece housing includes an additional ring, usually ½” long, separating the inlet from the filter media.
  • They offer increased flexibility over two-piece models because they are suitable for both open and closed surface sampling applications, and are compatible with aluminum cyclones connected to spacer rings.
  • However, as mentioned above, a larger surface area means greater electrostatic forces, so fewer contaminants enter the filter membrane.

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Frequently Asked Questions

Can we find the PT HAS product on the e-catalogue (LKPP) ?

Absolutely, almost all PT HAS products can be found in the e-catalogue.

How about the warranty for products from PT HAS ?

PT HAS Supply’s products include a 1-year official warranty for damage caused by manufactured defects.

Has the PT HAS product been calibrated? What if the calibration period is over?

Products from PT HAS have been calibrated and are ready to use. For further calibration, PT HAS already has a calibration lab that is ISO 17025 accredited and is ready to help customers who need recalibration.

What if the product has a problem and needs repair?

PT HAS has a local service center (in Jakarta), and our technicians are trained in the manufacture of the products we are agents for. For repairs and troubleshooting, we try to do it locally. and we make sure that the spare parts we supply are official spare parts from manufacturers.

Do we get training on using the tool after making a purchase at PT Has?

For all product purchases at PT HAS, usage training is included and is unlimited.

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