Electret filters: Determination of the electrostatic enhancement factor of filter media (NT VVS 117)
Report #: NT VVS 117 Approved: November 1997 Size: 97.99 KB Abstract This Nordtest method is intended to be used in the testing of Read more…
Category: Heating, Ventilation, Air Conditioning/VVS
Ventilation: Local mean age of air -homogeneous emission techniques (NT VVS 118)
Report #: NT VVS 118 Approved: November 1997 Size: 92.97 KB Abstract The aim of this test method is to test ventilation performance in Read more…
Solar collectors: Testing the solar collector’s ageing and corrosion characteristics (NT VVS 110)
Report #: NT VVS 110 Author(s): 1997-05 Size: 32.03 KB Abstract 1.1 This method applies to solar collectors used for converting solar radiation into Read more…
Solar collectors: Resistance of solar collectors to snow and wind loading NT VVS 111)
Report #: NT VVS 111 Approved: May 1997 Size: 33.77 KB Abstract The purpose of these tests is to determine the ability of a Read more…
Testing and evaluation of long term performance of solar collectors: Thermal performance, reliability and durability after one year’s outdoor exposure under stagnation conditions (NT VVS 112)
Report #: NT VVS 112 Approved: May 1997 Size: 68.51 KB Abstract The objective of a one-year outdoor exposure under stagnation conditions is to Read more…
Ventilation : Simple determination of air flow rate in thermal plumes (NT VVS 113)
Report #: NT VVS 113 Approved: May 1997 Size: 100.97 KB Abstract The scope of this Nordtest method is to describe a simple procedure Read more…
Indoor air quality: Measurement of co2 (NT VVS 114)
Report #: NT VVS 114 Approved: May 1997 Size: 88.26 KB Abstract This method determines the overall function of the ventilation system by measuring Read more…
Refrigeration and heat pump equipment: General conditions for field testing and presentation of performance (NT VVS 115)
Report #: NT VVS 115 Approved: May 1997 Size: 256.33 KB Abstract This Nordtest method provides the general conditions as well as references to Read more…
Refrigator and heat pump equipment: Check-ups and performance data inferred from measurements under field conditions In the refrigerant system (NT VVS 116)
Report #: NT VVS 116 Approved: May 1997 Size: 272.42 KB Abstract The scope of this Nordtest method is to provide instructions and recommendations Read more…
Filters: Adsorptive gas filters (NT VVS 109)
Report #: NT VVS 109 Approved: November 1996 Size: 62.04 KB Abstract The aim of this method is to measure the filter efficiency and Read more…
Boilers, combustion of fuels: Emission of oxides of nitrogen and sulphur (NT VVS 108)
Report #: NT VVS 108 Approved: May 1996 Size: 82.38 KB Abstract The principal aim of this method is to produce, by means of Read more…
Heating plants, small primary: Annual efficiency (NT VVS 107
Report #: NT VVS 107 Approved: November 1995 Size: 152.03 KB Abstract This Nordtest method shows a test and calculation model for the assessment Read more…
Room air cleaners; portable: Performance (NT VVS 106)
Report #: NT VVS 106 Approved: May 1995 Size: 647.88 KB Abstract This Nordtest method is used to test technical performance of portable room Read more…
Anemometers, low velocity: Natural convection from heated sensors, errors (NT VVS 104)
Report #: NT VVS 104 Approved: November 1994 Size: 82.33 KB Abstract The scope of the method is to determine the error in velocity Read more…
Ventilation: Flow rate, total effective -by single zone approximation (NT VVS 105)
Report #: NT VVS 105 Approved: November 1994 Size: 65.49 KB Abstract The purpose of this standard is to provide a description of a Read more…