Annex to the Accreditation Certificate D-K according to DIN EN ISO/IEC 17025:2005

Transcription

1 Deutsche Akkreditierungsstelle GmbH German Accreditation Body Annex the Accreditation Certificate D-K according DIN EN ISOIEC 17025:2005 Period of validity: Holder of certificate: SPEKTRA Schwingungstechnik und Akustik GmbH Dresden Heidelberger Straße 12, Dresden Head: Deputy: Dipl.-Ing. (FH) Philipp Begoff Dipl.-Inf. (FH) Heiko Deierlein Dipl.-Ing. Mario Chares Dipl.-Ing. Mario Gutbier Accredited since: Calibrations in the fields: Mechanical quantities Acceleration Acoustics Abbreviations used: see last page This document is a translation. The definitive version is the original German annex the accreditation certificate. Page 1 of 8

2 Annex the accreditation certificate D-K Permanent Laborary Measured quantity Range Measurement conditions measurement capability Acoustics (free field) Measuring microphone Free-field open-circuit or effective sensitivity level of measuring microphones with without wind shield Sensitivity level: -60 db +20 db (re 1V Pa) 125 Hz > 8 khz > < 8 khz IEC :2012 Substitution method in an anechoic chamber with ½ or 1 standard microphone at sound pressure level 74 db 94 db 0.30 db 0.25 db 0.35 db Measurement of cartridge capacitance (pressure) Measuring microphone Open-circuit or effective pressure sensitivity level of measuring microphones Sensitivity level: -60 db +20 db (re 1 V Pa) 124 db 94 db 114 db IEC 60942:2004 Calibration with reference standard: Pisnphone Calibrar Calibrar 0.15 db Sensitivity level: -60 db +20 db (re 1V Pa) 31.5 Hz > > 16 khz IEC :2016 Comparative measurement in an electro-acoustical coupler ½ -Micr Hz 16 khz 1 -Micr Hz 8 khz at 64 db 124 db SPEKTRA SQ db 0.20 db SPEKTRA SQ db 0.50 db - Calibration at f > (½ ) or f > (1 ) only possible with removeable Microphonegrid 31.5 Hz bis 2 khz IEC :2016 ¼ - or ½ -Microphone at sound pressure level 84 db 114 db 0.25 db (pressure), frequency, tal harmonic disrtion Calibrars Pisnphones and Sound calibrars : 74 db 130 db (re 20 µv Pa) IEC 60942: db 94 db 114 db Frequency: or Total harmonic disrtion: 0.1 % 10 % Substitution measurement with traced-back calibrars Measurement with tracedback frequency counter Ratio of the fundamental frequency ten harmonic components Approved calibrars Any other calibrars 0.2 db 0.05 Hz 0.2 % Data apply reference conditions for approved sound calibrars: (23 C; kpa; 50 % r.h.) (pressure), frequency, tal harmonic disrtion Calibrars Multi-ne calibrars : 60 db 130 db (re 20 µv Pa) 31.5 Hz > 16 khz IEC 60942:2004 Calibration with reference standard (LS1P or LS2P) ½ or db 0.3 db Frequency 31.5 Hz 16 khz Measurement with tracedback frequency counter 0.05 Hz Total harmonic disrtion: 0.1 % 10 % in the Range 31.5 Hz 4 khz Ratio of the fundamental frequency ten harmonic components 0.2 % The best measurement capabilities are stated according EA-402. These are expanded uncertainties of measurement with a coverage probability of 95% and have a coverage facr of k = 2 unless stated otherwise. Uncertainties without unit are relative uncertainties referring the measurement value unless stated otherwise. Period of validity: Translation - Page 2 of 8

3 Annex the accreditation certificate D-K Measured quantity Range Measurement conditions measurement capability Acoustics (free field) Sound level Sound level with separate microphone with without wind shield Sound level with microphone attached body with without wind shield Deviation of indication in frequency range 125 Hz > 8 khz > Deviation of indication in frequency range 125 Hz > 8 khz > < 8 khz < 8 khz Substitution method in an anechoic chamber with ½ or 1 standard microphone at sound pressure level 74 db 94 db Approved 0.35 db 0.30 db 0.45 db 0.5 db 0.4 db 0.5 db 0.6 db Any other 0.65 db 0.50 db 0.60 db 0.8 db 0.5 db 0.6 db 0.8 db (pressure) Sound level Deviation of indication at reference point 124 db 94 db 114 db Calibration with reference standard: Pisnphone Calibrar Calibrar Approved Any other 0.15 db 0.20 db Deviation of indication is stated without considering the effect of the device body Deviation of indication in the frequency range Comparison in an electroacoustic coupler Approved Any other 31.5 Hz > > 16 khz ½ -Micr Hz 16 khz 1 -Micr Hz 8 khz at 64 db 124 db 0.25 db 0.30 db 0.50 db 0.30 db 0.60 db 31.5 Hz 2 khz IEC :2013 ¼ Microphone or ½ Microphone by a sound pressure level 84 db 114 db 0.25 db 0.30 db Test electrical, acoustical Inherent noise Lowest measuring range A weighting Measurement at lowest possible ambient sound (down 20 db (A) ) 0.5 db Measurement with shorted dummy capacir Electrical test Frequency weighting A A, B, C, LIN, Z, FLAT weightings 22.4 Hz 22.4 khz Frequency weighting at Level linearity Tone burst response A, B, C, LIN, Z, FLAT weightings A, B, C, LIN, Z, FLAT weightings 22.4 Hz 22.4 khz Tone pulse duration: 0.25 ms ms 4 khz Supply of electrical signal through dummy capacir in voltage range 20 µvrms 20 VRMS 26 db 146 db (re 1 µv) 0.05 db C-weighted peak level Test signal: 0.5 and 1 cycle 31.5 Hz; 500 Hz; 8 khz The best measurement capabilities are stated according EA-402. These are expanded uncertainties of measurement with a coverage probability of 95% and have a coverage facr of k = 2 unless stated otherwise. Uncertainties without unit are relative uncertainties referring the measurement value unless stated otherwise. Period of validity: Translation - Page 3 of 8

4 Annex the accreditation certificate D-K Measured quantity Range Measurement conditions measurement capability Electrical test Overload indication Electrical test signal conditioner for microphones Polarization voltage Acoustics Force sensitivity (Mechanical impedance) Artificial masid Acceleration Vibration calibrar Laser vibrometer Calibration System for Geophone Seismometer Measurement chain Positive and negative half signals 4 khz Polarization voltage 200 V 125 Hz > 800 Hz > 4 khz 800 Hz 4 khz 8 khz Supply of electrical signal through dummy capacir in voltage range 20 µvrms 20 VRMS 26 db 146 db (re 1 µv) Measurement of voltage difference reference source Calibration with impedance head at (23.0 ± 0.5) C according IEC : V 0.4 db (0.5 db) 0.5 db (0.7 db) 1.0 db (1.0 db) 1.0 degree Calibration at 5.4 N and 2.5 N contact force For excitation and narrow-band evaluation methods (sine approximation), the amplitudes of vibration acceleration, vibration velocity and vibration displacement are unambiguously linked one another by the vibration frequency. This is why vibration velocity sensors and vibration displacement sensors can be calibrated using the measurand acceleration as stated in the table in ranges of velocity and displacement - converted accordingly for the stated frequency ranges. All measuring ranges refer peak values (sinus amplitude) ms 2 20 ms Hz 0.4 Hz > 63 Hz 0.1 ms ms 2 2 Hz 5 Hz > > 1 ms ms 2 5 Hz 10 Hz > > > > ms² 20 ms² 0.2 Hz > 10 Hz > ISO :2003 DAkkS-DKD-R 3-1, Part 3:2010 < 0.2 Hz < 0.4 Hz < 63 Hz < 5 Hz < < 10 Hz < 1 ISO :2003 DAkkS-DKD-R 3-1, Part 3:2010 < 10 Hz 400 Hz 2.5 % 3.0 % Sensor weight up 0.9 kg up 400 mm Sensor weight up 0.5 kg up 10 mm Sensor weight up 0.2 kg up 8 mm (amountphase) - vibration amplitude Maximum payload refer under chapter: Acceleration Geophones Seismometer (amount phase) The best measurement capabilities are stated according EA-402. These are expanded uncertainties of measurement with a coverage probability of 95% and have a coverage facr of k = 2 unless stated otherwise. Uncertainties without unit are relative uncertainties referring the measurement value unless stated otherwise. Period of validity: Translation - Page 4 of 8

5 Annex the accreditation certificate D-K Measured quantity Acceleration shock (sin²-pulse) Calibration system for shock (sin-pulse) Calibration system for Vibration calibrar Laser-vibrometer Calibration system for is integrated in vibration exciter (internal reference accelerometer) Vibration calibrar Laser vibrometer Calibration System for is integrated in vibration exciter (internal reference accelerometer) Range Measurement conditions measurement capability For excitation and narrow-band evaluation methods (sine approximation), the amplitudes of vibration acceleration, vibration velocity and vibration displacement are unambiguously linked one another by the vibration frequency. This is why vibration velocity sensors and vibration displacement sensors can be calibrated, o using measurand acceleration as stated in the table in ranges of velocity and displacement - converted accordingly for the stated frequency ranges. All measuring ranges refer peak values (sinus amplitude). ISO :2005 DAkkS-DKD-R 3-1, Part 2:2010 Shock excitation Pulse width (PWHS): 0.2 kms 2 2 kms 2 10 ms 1 ms 0.2 kms² > 2 kms² > 20 kms² 0.2 kms² 0.2 kms² 0.2 kms² 10 kms² 2 kms² 20 kms² 100 kms kms² 5.5 kms² 10 kms² 40 kms² 4.0 ms 0.4 ms 0.2 ms ISO :2005 Shock excitation Pulse width (PWHS): 200 µs < 150 µs < 100 µs 70 µs 0.01 ms 2 30 ms Hz 0.4 Hz > 63 Hz 0.01 ms² 30 ms² Hz 0.4 Hz > 63 Hz 1 ms ms 2 5 Hz > > > > 1 1 ms ms 2 5 Hz > > > > ms 0.1 ms 0.08 ms 150 µs 100 µs 30 µs 30 µs ISO :1999 DAkkS-DKD-R 3-1, Part 4:2010 < 0.2 Hz < 0.4 Hz < 63 Hz < 0.2 Hz < 0.4 Hz < 63 Hz ISO :1999 DAkkS-DKD-R 3-1, Part 4:2010 < 1 < % 2.5 % 0.8 % 3.0 % 4.0 % Excitation with pendulum Sensor weight up 0.3 kg Excitation with PN-LMS Sensor weight up 0.05 kg Excitation with HOP-MS Sensor weight up 0.05 kg Sensor weight up 0.9 kg up 400 mm (amount phase) - vibration amplitude For vibration exciters whose technical data correspond the vibration exciters used in the laborary Displacement up 400 mm (amount phase) Sensor weight up 0.9 kg up 400mm (amount phase) - vibration amplitude For vibration exciters whose technical data correspond the vibration exciters used in the laborary (amount phase) The best measurement capabilities are stated according EA-402. These are expanded uncertainties of measurement with a coverage probability of 95% and have a coverage facr of k = 2 unless stated otherwise. Uncertainties without unit are relative uncertainties referring the measurement value unless stated otherwise. Period of validity: Translation - Page 5 of 8

6 Annex the accreditation certificate D-K Measured quantity Geophone Seismometer Measurement chain Range Measurement conditions ms² 20 ms² ISO :1999 DAkkS-DKD-R 3-1, Part 4:2010 measurement capability 0. < 0.2 Hz 2.0 mmmax vertical: 50 kg mmax horizontal: 30 kg 0.2 Hz < mmax vertical: 50 kg mmax horizontal: 30 kg 10 Hz mmax vertical: 50 kg mmax horizontal: 30 kg > 10 Hz mmax vertical: 20 kg mmax horizontal: 20 kg > 400 Hz 2.0 mmax : maximum Payload Device under Test (amountphase) mmax vertical: 10 kg Reference Laser vibrometer 0.01 ms² 30 ms² Hz 1.0 Hz ISO :2011 < 0.4 Hz < 1.0 Hz 0.25 % 0.15 % 0.15 % up 400 mm 1.0 ms² 250 ms² 5 Hz > > > % 0.15 % 0.25 % 0.30 % 0.2 up 8 mm Deviation of indication 0 ms² 1 gl 0.17 ms² ms² ms² ms² ms² ms² ms² < ms² < ms² < ms² < ms² < ms² < ms² 1 gl ISO :2014 Calibration from 0 ms² until maximum local gravity acceleration (gl) by inclination in the earth s gravity field 0.01 ms² 2.40 % 1.30 % 0.90 % 0.30 % 0.20 % 0.10 % 0.04 % deviation for measuring instruments and transmission coefficient for sensors (transducer) Inclination angle (secondary) Inclination angle sensor < 2 < 3 < 10 < 25 < 50 < Calibration in the angular range 1 90 in relation the direction of the gravitational vecr gl 2.2 % 1.2 % 0.50 % 0.30 % 0.20 % 0.10 % 0.04 % - transfer coefficient Angular rate dynamic (secondary) 8 s 3000 s 0.5 Hz 200 Hz 0.6 % (valuephase) The best measurement capabilities are stated according EA-402. These are expanded uncertainties of measurement with a coverage probability of 95% and have a coverage facr of k = 2 unless stated otherwise. Uncertainties without unit are relative uncertainties referring the measurement value unless stated otherwise. Period of validity: Translation - Page 6 of 8

7 Annex the accreditation certificate D-K Measured quantity Range Measurement conditions 0.5 ms² 20 ms² ISO :2003 DAkkS-DKD-R 3-1, page 3: Hz 10 Hz Angular rate (secondary) 8 s 100 s 0.5 Hz 10 Hz Charge Charge amplifier Voltage Measuring amplifier Dynamic Force (secondary) shock (sin²-pulse) Impact hammer 0.1 pc pc 0.2 Hz > 1 mv 30 V 0.2 Hz > Shock excitation Pulse width (PWHS): 10 Hz 10 Hz 50 khz 50 khz measurement capability 1.2 % 2.2 % 0.25 % 0.2 % 10 N 500 N 10 ms 0.1 ms 5 % Calibration of "equipment for system data testing and or testing via the electronic vehicle interface in accordance with 29 i. V. m. Annex VIIIa StVZO as universal measuring instruments " (HU adapter) Traffic Journal No. 202: Complex transfer coefficient (module phase) transfer coefficient The best measurement capabilities are stated according EA-402. These are expanded uncertainties of measurement with a coverage probability of 95% and have a coverage facr of k = 2 unless stated otherwise. Uncertainties without unit are relative uncertainties referring the measurement value unless stated otherwise. Period of validity: Translation - Page 7 of 8

8 Annex the accreditation certificate D-K Onside-Calibration Measured quantity vibration test system 0.79 ms² 500 ms² shock vibration test system Range Measurement conditions 20 ms² 500 ms² 2 Hz 5 Hz 2 khz 20 ms 10 ms 2 ms 5 Hz 2 khz 10 ms 2 ms 0.5 ms measurement capability deviation The environmental conditions and characteristics of the vibration test system must be within specified limits The best measurement capabilities are stated according EA-402. These are expanded uncertainties of measurement with a coverage probability of 95% and have a coverage facr of k = 2 unless stated otherwise. Uncertainties without unit are relative uncertainties referring the measurement value unless stated otherwise. Period of validity: Translation - Page 8 of 8