Purchase your copy of ASTM E – 11() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. Find the most up-to-date version of ASTM E at Engineering Designation: E – 11Standard Practice for Preparation and Use of an Ice-Point Bath as 1 This practice is under the jurisdiction of ASTM Committee E20 on.
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NOTE 1—When liquid-in-glass thermometers are tested in an ice point bath, the bath may be left uncovered.
You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Large chunks of very cold ice added to a bath can produce local temperature depression. This ensures that you are always up-to-date and saves you both time and money.
The presence of excess water can be detected if water overspill occurs when the ice is depressed. Read more about subscriptions.
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ASTM E – pdf全文-调研报告-在线文档
The temperature increase depends on the electric power being dissipated and the thermal resistance between the sensor and the water-ice interface. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you need to be able to add standards to the monitoring service, you must register as a user with your own username and password.
Proceed to Checkout Continue Shopping. For thermoelectric thermo-elements of high thermal conductivity, as much as mm immersion may be necessary. The uniformity of temperature of the bath can be enhanced by slowly stirring or agitating the slush of ice and water either manually or by a powered stirring means so that all of the ice and water in the bath xstm into intimate contact.
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A number in parentheses indicates the year of last reapproval. Use an opaque and thermally insulating cover or stopper that is suitable for the application. Decant or siphon off excess water. Subscription pricing is determined by: There is a corresponding effect for changes in atmospheric pressure. Thoroughly rinse the equipment with tap water, then rinse with the type of water used for the ice-point bath medium. In most cases, pressure effects can be ignored 4.
You may delete a document from your Alert Profile at any time. Freeze another portion of the water to produce ice for the bath. Also, some of the water may freeze and bridge some of the particles. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.
As the voice of the U. Use clean plastic gloves to handle the ice and equipment. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email. Shaved ice resembling snow is preferred, but crushed ice is acceptable if the particles are small not exceeding 2 to 3 mm diameter. Impurities in the water usually lower the temperature.
The solubility of air in the water is directly proportional to the atmospheric pressure. Standards Subsctiption may be the perfect solution.
ASTM E563 – 11(2016)
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Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Use of the bath must be delayed long enough to establish thermal equilibrium, and the particles shall be sufficiently small so that the bath approaches the required state of ice and air-saturated water in intimate contact. Already Subscribed to this document.
Norma ASTM E()
Axtm partial immersion liquid-in-glass thermometers, immerse to the immersion line or stated immersion depth. Summary of Practice 4. If you feel that your comments asm not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
A superscript epsilon indicates an editorial change since the last revision or reapproval. Originally published as E — At steady state conditions, an error results that depends primarily on the thermophysical properties of the object, its dimensions and its depth of immersion in the ice-point bath.
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