Purchase your copy of ASTM E – 99() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. ASTM-E › Complete Document History Standard Test Method for Maximum Pore Diameter and Permeability of Rigid Porous Filters for Laboratory Use. E() Standard Test Method for Maximum Pore Diameter and Permeability of .. Active Standard ASTM E | Developed by Subcommittee: E
|Published (Last):||19 April 2018|
|PDF File Size:||12.83 Mb|
|ePub File Size:||11.88 Mb|
|Price:||Free* [*Free Regsitration Required]|
Please sign into an account with axtm subscription to this content, or email for help at support madcad. The uniformity of distribution of pores approaching the 1 This test method is under the jurisdiction of ASTM Committee E on maximum pore size may be observed by gradually increasing Laboratory Apparatus and is the direct responsibility of Subcommittee E Originally published as E — 57 T.
The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. Please login to your authorized staff account to use this feature. No items in cart.
ASTM D recommends that the diffusers be tested when new and periodically thereafter, preferably after each use. For test sticks and candles a rubber stopper with a rubber tubing attached is suitable. However, the manometer is replaced by ast, high precision digital pressure controller. There were no books found for the applied search filters. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are e1128 provided as part of the standard.
The Lawler proprietary Windows software manages the testing operation and all the data. Cracks, Current edition approved May 10, Adjust the pressure differ- repeated use. Both results asmt automatically displayed on the computer screen. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
Making these substitutions, the expres- d density, sion becomes: ASTM D requires the recertification of the diffuser after 10 astmm tests. No further reproductions authorized.
Work Item s – proposed revisions of this standard. Historical Version s – view previous versions of standard. Last previous edition E — Content only available by subscription.
Furthermore, the traditional analog flow meter is replaced by astj digital mass flow meter that directly interacts with the software. Calculate the permeability as follows: The electronic file may not be reproduced in any way.
This pore diameter is calculated from the surface tension of the test test method establishes a uniform designation for maximum liquid and the applied pressure. Specifications subject to change without notice.
You currently cannot view this content. Print 1 2 3 4 5 page sstarting from page current page. Register for a trial account.
It consists of a certified NIST traceable U-tube manometer capable of reading mm of water installed on a wall mountable stainless steel panel, a ml graduated cylinder, a precision regulating valve and a 1 meter length of 8 mm plastic tubing. A superscript epsilon indicates an editorial change since the last revision or reapproval.
Enter your account email address to request a password reset: Maximum pore diameter is determined by immersing the filter in a suitable test liquid and applying air pressure until the first bubble of air passes through the filter.
It is the responsibility of the user of this standard to awtm appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Values for surface tension in Table 1 are for asfm guidance only and are approximate; surface tension of the liquid used should be determined.
Permeability is determined by measuring the flow of air through the filter when subjected to a pressure differential. The automated pressure ramping profile generates the Dynamic Bubble Point pressure that is used to e1228 Pore Diameter of stainless steel and ceramic diffusers. Enter your personal account email address to request a password reset: Model FMD eliminates the need for the clumsy and difficult to use wet test meter.
Keywords p observed pressure of water, cm water Note 6. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. No other units of measurement are included in axtm standard.
A number in parentheses indicates the year of last reapproval. Remember me for one month. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Search book title Enter keywords for book title search.
Specifications are subject to change without notice.