SN EN 60068-2-40 : 1999
Current
The latest, up-to-date edition.
ENVIRONMENTAL TESTING - PART 2: TESTS - TEST Z/AM: COMBINED COLD/LOW AIR PRESSURE TESTS
01-12-2013
1 Introduction
1.1 General
1.2 Low air pressure
1.3 Temperature
1.4 Related documents
2 Object
3 General description
4 Description of test apparatus
4.1 Test chamber
4.2 Mounting
5 Severities
5.1 General
5.2 Preferred combinations of temperature, air
pressure and duration
6 Preconditioning
7 Initial measurements
8 Conditioning
8.1 General
8.2 Procedure for heat-dissipating specimen without
artificial cooling of the specimen and for
non-heat-dissipating specimen
8.3 Precautions when testing specimens with
artificial cooling
9 Intermediate measurements
10 Recovery
11 Final measurements
12 Information to be given in the relevant specification
Figures
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.