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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As ice melts, the interface moves away from the test object, and a temperature difference, which can be as much as several kelvins, is established between the test object and the heat sink. 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.

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. If the document is revised or amended, you will be notified by email. Webprint Printed and bound. E56 published as E — Precision and Bias 8. Allow the bath and vessel to equilibrate for at least 30 minutes before using. Already Subscribed to this document.

Freeze another portion of the water to produce ice for the bath. This standard is not included in any packages. Decant or siphon off excess water. For partial immersion liquid-in-glass thermometers, immerse to the immersion line or stated immersion depth. The loss of precision between a covered and uncovered bath may be below the resolution of liquid-in-glass thermometers.

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A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. This ensures that you are always up-to-date aastm saves you both time and money.

ASTM E563 – 11(2016)

The user must test for this condition. Read more about subscriptions. As the voice of the U. Cooling helps to preserve the bath at the ice point for prolonged use.

Ast of Practice 4. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Large chunks of very cold ice astn to a bath can produce local temperature depression. You may delete a document from your Alert Profile at any time.

Your Alert Profile lists the documents that will be monitored. 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. Use clean plastic gloves to handle the ice and equipment. This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version.

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In most cases, pressure effects can be ignored 4. Because it may not be technically possible aetm adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate.

ASTM E563:02e1

This reduces the time to reach equilibrium at the ice point. Also, some of the water may freeze and bridge some of the particles. The solubility of air in the water is directly proportional to the atmospheric pressure. A number in parentheses indicates the year of last reapproval.

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Standards Subsctiption may be the perfect solution. You need to log in before adding atm to the monitoring service. Use an opaque and thermally insulating cover or stopper that is suitable for the application. A water-ice interface in the bath acts as a heat sink.

Add to Alert PDF. For this reason surplus water should be removed, as it accumulates, from the bottom of the bath by decanting or siphoning.

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