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SN EN 50065-7
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 7: Equipment impedance
Edition
2001-11
SN EN 50289-1-11
Communication cables - Specifications for test methods - Part 1-11: Electrical test methods - Characteristic impedance, input impedance, return loss
Edition
2016-12
SN EN 60512-23-7
Connectors for electronic equipment - Tests and measurements. Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors
Edition
2005-03
SN EN 60512-25-7
Connectors for electronic equipment - Tests and measurements. Part 25-7: Test 25g - Impedance, reflection coefficient and standing voltage wave ratio (VSWR)
Edition
2005-03
SN EN 60645-5
Electroacoustics - Audiolometric equipment. Part 5: Instruments for the measurement of aural acoustic impedance/admittance
Edition
2005-01
SN EN 61788-15
Superconductivity - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies
Edition
2011-12
FD A05-313 ; FD ISO/TR 16208:2014-02-12
Corrosion of metals and alloys - Test method for corrosion of materials by electrochemical impedance measurements
Edition
2014-02-12
NF C31-888-15 ; NF EN 61788-15:2012-05-01
Superconductivity - Part 15: electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies
Edition
2012-05-01
NF C90-201-4-4 ; NF EN 50065-4-4:2023-03-24
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
2023-03-24
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
