Categories starting with E

Items starting with E Files

File size: 97.99 KB Download

Electret filters: Determination of the electrostatic enhancement factor of filter media (NT VVS 117)

NT VVS 117

  • This Nordtest method is intended to be used in the testing of fibrous filter materials, The purpose of the test is to determine whether the efficiency of a filter material is dependent on the electrostatic removal mechanism and to provide quantitative information about the importance of the electrostatic removal mechanism.

File size: 326.45 KB Download

Exhaust air heat pumps: Performancea (NT VVS 086)

NT VVS 086

  • This method describes the procedure used for testing large exhaust air heat pumps.

File size: 435.83 KB Download

Environmental benchmarking - A tool for continuous environmental improvements in the SME sector (NT TR 588)

NT TR 588

  • The aim of the project was to gather information on existing versions of environmental benchmarking tools for small and medium sized enterprises (SMEs) in the Nordic countries.

File size: 296.37 KB Download

Estimation of cement_binder profile parallel to the determination of chloride profile in concrete (NT TR 541)

NT TR 541

  • In this study, two methods for determination of calcium content parallel to the determination of chloride content have been proposed and evaluated for their precisions.

File size: 729.09 KB Download

Environmental risk assessment of genetically modified organisms (GMOs) - Identification of Data Needs (NT TR 523)

NT TR 523

  • It was the aim of this NordTest project to propose improvements that prepare us to assess ecological risks to the environment associated with releases of existing and coming GMO cases.

File size: 850.65 KB Download

Extended firing sheds and shooting blinds (NT TR 478)

NT TR 478

  • In the period 1996 to 1998 DELTA and the Danish Shooting Association investigated the influence of extended firing sheds and shooting blinds on the noise level in the surroundings. The reason for this was that all Danish shooting ranges had to comply with the noise limits in Guideline 1/1995 from the Danish Environmental Protection Agency, which increased the need for reducing the noise.

File size: 857.24 KB Download

Extended firing sheds and shooting blinds (NT TR 478 - Revised)

NT TR 478

  • In the period 1996 to 1998 DELTA and the Danish Shooting Association investigated the influence of extended firing sheds and shooting blinds on the noise level in the surroundings. The reason for this was that all Danish shooting ranges had to comply with the noise limits in Guideline 1/1995 from the Danish Environmental Protection Agency, which increased the need for reducing the noise.

File size: 1.14 MB Download

Elastic coatings: Crack bridging performance (NT POLY 184)

NT POLY 184

  • This test method specifies the determination of the performance of elastic coatings with respect to their resistance to certain repeated movements of a substrate crack.

File size: 2.00 MB Download

Etv test centre and test organization Centre quality manual template_Nowatech (NT ENVIR 011)

NT ENVIR 011

  • Verification statements (verificates) are granted to environmental technology products within the technology area.

File size: 170.00 KB Download

Environmental testing of alarm systems with wire-free radio interconnections (NT ELEC 035)

NT ELEC 035

  • This test method specifies the environmental tests for the transmitter and receiver forming part of a wire-free fire or intrusion alarm system which uses one of the three frequency bands dedicated for alarm systems in general in the frequency range of 868.600 MHz to 869.700 MHz.

File size: 69.94 KB Download

Electronic equipment: Determination of the shielding efficiency of shielding elements using shielded non-absorbing test rooms (NT ELEC 030)

NT ELEC 030

  • The purpose of this test method is to verify the shielding efficiency of shielding elements in connection with EMC design of enclosures for electronic equipment and apparatus.

File size: 1.19 MB Download

Electronic components: Reliability stress screening (NT ELEC 027)

NT ELEC 027

  • By use of this method the reliability of an electronic equipment in the initial time of field operation is improved.

File size: 125.08 KB Download

Electrical equipment: Combined damp heat steady state and cold water spraying test method (NT ELEC 025)

NT ELEC 025

  • The aim of this NORDTEST method is to form a common basis for evaluation of electrical equipment intended for use and storage in rough climatic environments, i.e. where combinations of high temperature, high relative humidity and cleaning with cold water are present.

File size: 90.29 KB Download

Electronic equipment: Protection against electrostatic discharge (NT ELEC 024)

NT ELEC 024

  • Electrostatic charges and their discharges (ESD) are major threats to the life of electronics and mainly the semiconductors. This threat appears whenever an electrostatic discharge sensitive component, printed wiring board or assembly is handled, transported, stored, manufactured, tested etc.

File size: 175.99 KB Download

Electrotechnical and mechanical products: Tightness against water jets originating from high pressure cleaning processes (NT ELEC 023)

NT ELEC 023

  • The purpose of this test method is to verify the ability of covers and seals to retain components and equipment in good working order after, and when necessary, during high pressure cleaning processes.

File size: 77.09 KB Download

Electronic equipment, supplementary, intended for installation in road vehicles: Electromagnetic compatibility (NT ELEC 019)

NT ELEC 019

  • When applied to electronic components, devices and systems, this test shows, that there exists an acceptable high probability of electromagnetic compatibility with the electromagnetic environment in ground vehicles like private cars, small trucks and comparable vehicles.

File size: 917.71 KB Download

Electrical equipment: Environmental test procedures (NT ELEC 016g)

NT ELEC 016g

  • This document contains a collection of 71 environmental testprocedures.

    The procedures apply to climatic, mechanical, electrical or other environmental type tests, which are specified for equipment type products as part of the quality assurance.

File size: 383.01 KB Download

Electrical equipment: Environmental test procedures (NT ELEC 016a)

NT ELEC 016a

  • This document forms Amendment 1 to NT ELEC 016G, ELECTRICAL EQUIPMENT: ENVIRONMENTAL TEST PROCEDURES, Approved 1990-06, and shall only be used in connection with that document.

File size: 225.30 KB Download

Electronic safety limit switch: Evaluation (NT ELEC 009)

NT ELEC 009

  • The test procedures covered by this method are primarily intended for electronic safety limit switches used in lifting and transporting machinery.

File size: 115.43 KB Download

External wall elements: Freezing and thawing (NT BUILD 305)

NT BUILD 305

  • The purpose of this NORDTEST method is to study the'performance of external wall elements subjected to frost. This means to test if the materials in the elements will stand the freezing/thawing action without damage, to determine possible curving of the elements due to moisture gradients or differncial thermal expansion, and to test the bond strength between different materials in the elements.

File size: 26.20 KB Download

External doors: Air tightness and closing force (NT BUILD 234)

NT BUILD 234

  • This NORDTEST method specifies a test method to determine the air-tightness and closing force of external doors when the door is exposed to external climate on one side and internal climate on the other. Optionally gap width and warp may also be determined.

Nordtest

Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.