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ISO/DIS 13472-2
Acoustics - Measurement of sound absorption properties of road surfaces in situ - Part 2: Spot method for reflective surfaces
Edition
2024-04
NF C90-201-4-4 ; NF EN 50065-4-4:2005-03-01
Signalling on low voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-4 : low voltage decoupling filter - Impedance filter
Edition
2005-03-01
NF C93-537-1-11 ; NF EN 50289-1-11:2017-03-08
Communication cables - Specifications for test methods - Part 1-11 : electrical test methods - Characteristic impedance, input impedance, return loss
Edition
2017-03-08
ISO/TR 16208
Corrosion of metals and alloys - Test method for corrosion of materials by electrochemical impedance measurements
Edition
2014-01
OEVE/OENORM EN 61788-15
Superconductivity - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies (IEC 61788-15:2011) (german version)
Edition
2012-09-01
OENORM N 1122
Analysis of foodstuffs - Enumeration of microorganisms by means of impedance-method - Determination of aerobic mesophile bacterial count
Edition
2006-06-01
BS EN ISO 10534-2
Acoustics. Determination of acoustic properties in impedance tubes. Two-microphone technique for normal sound absorption coefficient and normal surface impedance
Edition
2023-10-11
OENORM EN 2591-212
Aerospace series - Elements of electrical and optical connection - Test methods - Part 212: Surface transfer impedance
Edition
2006-05-01
ISO 10767-1
Hydraulic fluid power - Determination of pressure ripple levels generated in systems and components - Part 1: Method for determining source flow ripple and source impedance of pumps
Edition
2015-10
BS EN 50065-4-4
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Low voltage decoupling filter. Impedance filter
Edition
2023-04-11