Items tagged with TESTING Files

File size: 136.32 KB Download

Ventilation: Vents for direct supply of outdoor air air flow pattern and draught criterion (NT VVS 092)

NT VVS 092

  • The scope of this Nordtest method is to determine the sensed draught (combination of local air velocity and low air temperature) created by incoming air through vents for direct supply of outdoor air into a room.

File size: 37.91 KB Download

Ventilatlon: Vents for direct supply of outdoor air capacity rating (NT VVS 091)

NT VVS 091

  • The scope of this Nordtest method is to determine the air flow rate through vents for direct supply of outdoor air, and also the air leakage rate through these vents in the closed position.

File size: 1.14 MB Download

Linear calibration of axial load fatigue testing machines (NT TR 579)

NT TR 579

  • A method of linear calibration of axial load fatigue testing machines is proposed. It is built on the understanding obtained from a vibration analysis of the force transfer function from the load cell of the machine to a fabricated calibration bar. The results have been successfully verified on a commercial testing machine installed at SP in Borås.

File size: 310.86 KB Download

Best practice in design and testing of isolation rooms in Nordic hospitals (NT TR 564)

NT TR 564

  • An important step in moving toward international standardization is to come to a consensus about what exactly is proper and adequate function in a negative-pressure isolation room. In this report we examine current and best practice in design and performance testing of negative pressure isolation rooms in Nordic hospitals.

File size: 498.89 KB Download

Biodegradability testing of the municipal solid waste reject (NT TR 560)

NT TR 560

  • Sustainable development requires an environmentally sound, cost effective and socially acceptable management of municipal and industrial waste. Landfilling of untreated municipal solid waste (MSW) is known to lead to emissions of leachate and landfill gas, above all methane, which contributes to the greenhouse effect.

File size: 745.38 KB Download

Suitability of XRF-methods on on-site testing of waste materials (NT TR 545)

NT TR 545

  • In the EU landfill directive the assessment of waste suitability on disposal is divided into three levels according to intended use. The lowest level, called on-site verification usually takes place on the landfill site and is mainly for control purposes to confirm that the waste quality meets characteristics defined in the two upper acceptability assessment phases.

File size: 3.71 MB Download

Superpave test methods for asphalt - Procedure for DSR testing (NT TR 538)

NT TR 538

  • Between 1987 and 1993 in the U.S.A., the Strategic Highway Research Program (SHRP) surveyed all aspects of the physical tests currently carried out on bitumen, and it was shown that new performance-based methods, such as Dynamic Shear Rheometer (DSR), Bending Beam Rheometer (BBR) and Pressure Ageing Vessel (PAV), are needed.

File size: 2.41 MB Download

Handbook for calculation of measurement uncertainty in environmental laboratories (NT TR 537 - Serbian version)

NT TR 537 - Serbian version

  • This handbook is written for environmental testing laboratories in the Nordic countries, in order to give support to the implementation of the concept of measurement uncertainty for their routine measurements.

File size: 3.09 MB Download

Handbook for calculation of measurement uncertainty in environmental laboratories (NT TR 537 - Greek version)

NT TR 537 - Greek version

  • This handbook is written for environmental testing laboratories in the Nordic countries, in order to give support to the implementation of the concept of measurement uncertainty for their routine measurements.

File size: 750.93 KB Download

Håndbok for beregning af måleusikkerhed på miljølaboratorier (NT TR 537 - Danish version)

NT TR 537 - Danish version

  • This handbook is written for environmental testing laboratories in the Nordic countries, in order to give support to the implementation of the concept of measurement uncertainty for their routine measurements.

File size: 905.02 KB Download

Handbook for calculation of measurement uncertainty in environmental laboratories (NT TR 537 - Edition 3.1)

NT TR 537

  • This handbook is written for environmental testing laboratories in the Nordic countries, in order to give support to the implementation of the concept of measurement uncertainty for their routine measurements.

File size: 3.38 MB Download

Çevre Laboratuvarlarinda Ölçüm Belirsizligi Hesaplamalari için El Kitabi (NT TR 537 - Edition 3.1 Turkish version)

NT TR 537

  • This handbook is written for environmental testing laboratories in the Nordic countries, in order to give support to the implementation of the concept of measurement uncertainty for their routine measurements.

File size: 1.69 MB Download

Handbook for calculation of measurement uncertainty in environmental laboratories (NT TR 537 - Edition 4)

NT TR 537

  • This handbook is written for environmental testing laboratories in the Nordic countries, in order to give support to the implementation of the concept of measurement uncertainty for their routine measurements.

File size: 579.54 KB Download

Nordic Round Robin and Investigation on IMO Resolution A 653 (16) (NT TR 529)

NT TR 529

  • This Nordtest Project critically examines the deviations from the IMO resolution A.653 (16) method, which the participating laboratories either uses or has been using, that being deviations from: the equipment, the procedures or the interpretation of data. These deviations are in many cases a result on the imprecise and equivocal description of the method described in the IMO resolution A.653 (16) in FTP Code.

File size: 1.33 MB Download

Acceptance criteria for landfilling of waste under nordic conditions (NT TR 520)

NT TR 520

  • In the report the various classes and sub-categories of landfills that are possible within the framework of the EU Landfill Directive are presented and discussed, and the need within the Nordic countries for sub-categories of the three main classes of landfills (inert, non-hazardous and hazardous waste landfills) is evaluated.

File size: 9.89 MB Download

Intercomparison of sandboxes used for testing joints for district heating pipes (NT TR 495)

NT TR 495

  • An intercomparison has been carried out between 3 laboratories concerning a type test for joints according to EN489 District heating pipes – Pre-insulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene.

File size: 453.42 KB Download

Tillverkning och användning av laboratoriereferensmaterial vid testing av fast avfall (NT TR 486)

NT TR 486

  • Costly certified and commercial reference materials can often not be applied for waste testing because of high test portion quantities needed and poor availability of suitable commercial soil and waste materials. The utilisation of a laboratory reference material can be regarded as a practical tool in the quality control of leaching test performance.

File size: 2.05 MB Download

Physical interpretation of temperature data measured in the SBI fire test (NT TR 416)

NT TR 416

  • In the SBI fire test, there are temperature sensors in the exhaust duct allowing measurement of the temperature rise of the exhaust gases (T measurement). In principle these sensors provide means to monitor the production rate of thermal energy.

File size: 93.36 KB Download

Welds in thin materials: Ultrasonic examination (NT NDT 013)

NT NDT 013

  • This Nordtest method specifies procedures for weld examination in thin materials by manually operated ultrasonics.

File size: 34.99 KB Download

Atrium roof construction: Fire resistance (NT FIRE 046)

NT FIRE 046

  • The test method comprises two independent parts, a low temperature phase test and a high temperature phase test. If a construction is to be evaluated according to either part, the two temperature phases may be combined into one test.

File size: 55.75 KB Download

Solid materials: Spontaneous ignition temperature by continuous heating (NT FIRE 045)

NT FIRE 045

  • This test method specifies a procedure for determining the spontaneous ignition temperature Tc of samples of radius r, and, from these temperatures, the material parameters M and P from the equation where dc is a Frank-Kamenetskii critical parameter.

File size: 83.28 KB Download

Fire protection: Fire extinguishing media - Powder (NT FIRE 044)

NT FIRE 044

  • This NORDTEST method describes test procedures for evaluating the extinguishing efficiency and the discharge characteristics of fire extinguishing powders.

File size: 100.74 KB Download

Machinery: Validation of safety principles in safety related parts of electronic systems (NT ELEC 034)

NT ELEC 034

  • This document describes the validation mehtods for evaluating the functional safety of complex electronic systems including microprocessor based controls.

File size: 57.55 KB Download

Voltmeters and ammeters for dc welding: Calibration and function testing (NT ELEC 028)

NT ELEC 028

  • This NORDTEST method describes procedures for calibration of voltmeters and ammeters which are to be used for measurements of voltage and current during direct current are welding. It also describes test procedures to verify the fitness of an instrument for measurements during direct current arc welding.

File size: 59.81 KB Download

Personal gas monitors: Performance (NT ELEC 022)

NT ELEC 022

  • The aim of this Nordtest method is to form a basis for the evaluation of Personal Gas Monitors for safeguarding persons in underground locations, closed vessels, tunnels, mines, etc.

File size: 67.19 KB Download

Social alarm systems: Type testing (NT ELEC 017)

NT ELEC 017

  • This part of the method specifies the test procedures for performing the type test of the system parts in the social alarm system.

File size: 20.05 KB Download

Roofing membrane underlay (insulation material): Ageing due to increased humidity and heat (NT BUILD 434)

NT BUILD 434

  • The aim of this method is to expose insulation materials to accelerated ageing due to increased temperature and heat.

File size: 960.45 KB Download

Wood: Fracture energy in tension perpendicular to the grain (NT BUILD 422)

NT BUILD 422

  • This standard specifies a method for determining the fracture energy of wood in tension perpendicular to the grain (mode I).

[12  >>  

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”.