| SERVICE | PRODUCT | DETERMINANT | TECHNIQUE | PROCEDURE | LIMITATION / RANGE |
Acoustical metrology - Acoustic equipment
| Microphones;
| Frequency response;
| Direct measurement against a reference instrument;
| By electrostatic actuator by the method of ACU-VIB Procedure AVP01
| From 20 Hz to 20 kHz by electrostatic actuator
|
|
CAPABILITY
with Calibration and Measurement Capability of -
0.10 dB in the range 20 Hz to 20 kHz by electrostatic actuator
|
| Band pass filters;
| Attenuation; Linearity;
| Direct measurement by electrical input;
| By the methods of AS/NZS 4476, IEC 1260-1995 Clauses 5.3, 5.7, 5.8, 5.9; IEC 61260-3 and ACU-VIB procedure AVP06
| |
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CAPABILITY
with Calibration and Measurement Capability of -
For direct measurement of attenuation, A, (electronic filter) via voltage output to voltage input -
0.1 dB -6 dB ≤A ≤ 40 dB
0.3 dB 40 dB < A ≤ 80 db
0.11 dB for linearity
0.1 dB for mid-band relative attenuation
0.25 dB for lower limit of linearity range (noise)
For recording of displayed attenuation (measuring instrument) -
0.1 dB -6 dB ≤A ≤ 40 dB
0.3 dB 40 dB < A ≤ 120 db
0.11 dB for linearity
0.1 dB for mid-band relative attenuation
0.25 dB for lower limit of linearity range (noise)
|
| Sound level meters;
| Electrical response; Sound pressure level;
| Direct measurement by electrical input; Pressure field comparison measurement;
| AS 1259.1 - 1990 Clauses 8.9, 8.10, 10.2.2,10.2.3, 10.3.2, 10.3.3, 10.3.4, 10.4.1, 10.4.2, 10.4.3, 10.4.4 and 10.4.5;
AS 1259.2 - 1990 Clauses 9.1, 9.2.1, 9.2.2, 9.2.3, 9.3.1, 9.3.2, 9.3.3, 9.3.4,9.3.5; ACU-VIB procedure AVP05;
IEC 60651, IEC 60804;
IEC 61672-3; ACU-VIB procedure AVP10; | From 31.5 Hz to 16 kHz for acoustic tests
From 20 Hz to 20 kHz for electrical tests |
|
CAPABILITY
with Calibration and Measurement Capability of -
Electrical tests
0.1 dB (AS 1259-1, IEC 60651, AS 1259-2, IEC 60804)
0.09 dB (IEC 61672-3)
Acoustic tests in a small volume coupler at nominal octave frequencies
0.11 dB for frequencies from 31.5 Hz to below 63 Hz
0.10 dB for frequencies from 63 Hz to below 125 Hz
0.09 dB for frequencies from 125 Hz to below 2 kHz
0.10 dB for frequencies from 2 kHz to below 4 kHz
0.11 dB for frequencies from 4 kHz to below 8 kHz
0.16 dB for frequencies from 8 kHz to below 12.5 kHz
0.24 dB for frequencies from 12.5 kHz to below 16 kHz
0.09 dB at a reference frequency of 1 kHz
|
| Signal conditioning amplifiers;
| Attenuation; Frequency response; Linearity;
| Direct measurement by electrical input;
| By comparison with calibrated attenuator and voltmeter by ACU-VIB procedure AVP09 | At nominal frequencies from 10 Hz to 20 kHz and;
Gain from 40 dB to -80 dB |
|
CAPABILITY
Calibration of transducer preamplifiers and signal conditioning amplifiers
for Gain, Attenuation and Frequency response
with Calibration and Measurement Capability of -
0.05 dB for Gain from 40 dB to -40 dB;
0.08 dB for Gain from -40 dB to -80 dB;
0.01 dB for frequency response at nominal frequencies from 10 Hz to 20 kHz |
| Dose meters for sound;
| Electrical response; Frequency response; Noise exposure/dose;
| Direct measurement by electrical input; Pressure field comparison measurement;
| AS 2399 Clauses 6, 7, 8, 9, 10 and 11, IEC 61252 and ACU-VIB procedure AVP07;
C weighted peak according to IEC 61672-3 Clause19;
IEC 61672
| Nominal octave frequencies from 63 Hz to 8 kHz; |
|
CAPABILITY
By the methods of -
AS 2399 - 1998 Clauses 6, 7, 8, 9, 10 and 11 and ACU-VIB procedure AVP07
C weighted peak according to IEC 61672-3 clause 19
with Calibration and Measurement Capability of -
0.03 Pa2h at a dose of 8 Pa2h (94 dBA 8h)
Acoustic tests in a small volume coupler at nominal octave frequencies
0.10 dB for frequencies from 63 Hz to below 125 Hz
0.09 dB for frequencies from 125 Hz to below 2 kHz
0.10 dB for frequencies from 2 kHz to below 4 kHz
0.11 dB for frequencies from 4 kHz to 8 kHz
0.09 dB at a reference frequency of 1 kHz
|
Acoustical metrology - Acoustic standards and reference equipment
| Acoustic calibrators - Multi frequency; Acoustic calibrators - Single frequency;
| Distortion; Frequency; Sound pressure level;
| Comparison with a reference standard;
| By the methods of IEC 60942 and ACU-VIB procedure AVP02 and AVP03 | At nominal octave frequencies between 31.5 Hz and 16 kHz
|
|
CAPABILITY
with Calibration and Measurement Capability at nominal octave frequencies of -
0.11 dB for sound level pressure at 31.6 Hz
0.10 dB for sound pressure level at 63 Hz and up to 4 kHz
0.11 dB for sound pressure level at 8 kHz
0.17 dB for sound pressure level from above 8 kHz up to 12.5 kHz
0.25 dB for sound pressure level from above 12.5 kHz to 16 kHz
0.05% for frequency
0.2% for total harmonic distortion and noise
|
Vibration metrology - Vibration equipment
| Accelerometers; Mechanical impedance transducers; Velocity transducers;
| Acceleration sensitivity; Frequency response; Velocity sensitivity;
| Comparison measurement against reference transducer;
| ISO 16063-21; ACU VIB Procedures AVP08, AVP12, AVP14, AVP15, AVP19
| Acceleration sensitivity from 0.1 mV/ms-2 to 5V/ms-2; or
Velocity sensitivity from 1 to 100 mV/mms-1
For transducer mass up to 5 kg at nominal frequencies from 0.5 Hz to 320 Hz for excitation levels from 0.1 ms-2 to 50 ms-2;
For transducer mass up to 100 grams at nominal frequencies from 15 Hz to 1300 Hz for excitation levels from 1 ms-2 to 20 ms-2
For transducer mass up to 10 kg at nominal frequencies from 8 Hz to 5 kHz for excitation levels from 1 ms-2 to 100 ms-2
limited by a displacement of 12 mm peak to peak or force limited to 1000 N |
|
CAPABILITY
Acceleration or velocity sensitivity of accelerometers and other vibration transducers in the range from 0.1 mV/ms-2 to 5 V/ms-2 or 1 to 100mV/mms-1
For transducers of mass up to 5.0 kg from 0.5 Hz to 320 Hz by rectilinear motion using an air bearing table in the horizontal or vertical plane at excitation levels of 0.1 ms-2 at 0.5 Hz to 50 ms-2 at 320 Hz
Acceleration or velocity sensitivity of accelerometers and other vibration transducers in the range from 0.1 mV/ms-2 to 5 V/ms-2 or velocity sensitivity from 1 to 100 mV/mms-1
For transducers of mass up to 5.0 kg at nominal frequencies from 0.5 Hz to 320 Hz by rectilinear motion using an air bearing table in the horizontal or vertical plane at excitation levels from 0.1 ms-2 to 50 ms-2
with Calibration and Measurement Capability at nominal frequencies of -
1.25% from 0.5 Hz to less than 1.6 Hz
1% from 1.6 Hz to less than 3.2 Hz
0.9% from 3.2 Hz to 16 Hz
0.5% from above 16 Hz to 320 Hz
For transducers of mass up to 100 g at excitation levels from 1 ms-2 up to 20 ms-2 in the frequency range of nominal frequencies from 15 Hz to 1300 Hz limited to 50 g at 20 ms-2 at 1300 Hz
with a sensitivity range of -
0.5 mV/ms-2 to 5 V/ms-2 or
0.5 pC/ms-2 to 5 nC/ms-2
with Calibration and Measurement Capability of -
0.7% at nominal frequencies from 7 Hz up to 320 Hz
2.5% at nominal frequencies above 320 Hz up to 1300 Hz
For transducers of mass up to 10 kg at excitation levels from 1 ms-2 to 1000 ms-2 in the nominal frequency range of 8 Hz to 5 kHz limited by maximum force of up to 1000 N (667 ms-2 for 1.5 kg at 5 kHz)
or a displacement limit of 12.7 mm peak to peak (60 ms-2 for 10 kg at 15 Hz)
with a sensitivity range of -
0.5 mV/ms-2 to 5 V/ms-2 or 0.5 pC/ms-2 to 5 nC/ms-2
with Calibration and Measurement Capability of -
0.5% at nominal frequencies from 8 Hz to below 1250 Hz
0.55% from nominal frequencies from 1250 Hz to below 2500 Hz
1.0% from nominal frequencies of 2500 Hz to below 5 kHz
1.9% at nominally 5 kHz |
| Vibration measuring systems; Vibration recording systems;
| Acceleration sensitivity; Electrical response; Frequency response; Velocity sensitivity;
| Comparison measurement against reference transducer; Direct measurement by electrical input;
| ISO 16063-21, ISO 8041, ACU-VIB Procedure AVP12, AVP14, AVP15 and AVP19
| Acceleration or velocity sensitivity at excitation levels from 0.1 to 50 ms-2;
For transducer mass up to 5 kg at nominal frequencies from 0.5 Hz to 320 Hz for excitation levels from 0.1 ms-2 to 50 ms-2;
For transducer mass up to 100 grams at nominal frequencies from 15 Hz to 1300 Hz for excitation levels from 1 ms-2 to 20 ms-2
For transducers of mass up to 10 kg at excitation levels from 1 ms-2 to 1000 ms-2 in the nominal frequency range of 8 Hz to 5 kHz limited by maximum force of up to 1000 N (667 ms-2 for 1.5 kg at 5 kHz) or a displacement limit of 12.7 mm peak to peak (60 ms-2 for 10 kg at 15 Hz)
|
|
CAPABILITY
Calibration of vibration measuring systems ;
For transducers of mass up to 5.0 kg at excitation levels between 0.1 ms-2 and 50 ms-2 at nominal frequencies from 0.5 Hz to 320 Hz by rectilinear motion using an air bearing table in the horizontal or vertical plane
with a Calibration and Measurement Capability at nominal frequencies of -
1.25% from 0.5 Hz to less than 1.6 Hz
1% from 1.6 Hz to less than 3.2 Hz
0.9% from 3.2 Hz to 16 Hz
0.5% from above 16 Hz to 320 Hz
For transducers of mass up to 100 g of excitation levels from 1 ms-2 up to 20 ms-2 in the nominal frequency range 15 Hz to 1300 Hz
with a Calibration and Measurement Capability at nominal frequencies of -
0.7% from 7 Hz to 320 Hz
2.5% from above 320 Hz up to 1300 Hz
For transducers of mass up to 10 kg at excitation levels from 1 ms-2 to 1000 ms-2 in the nominal frequency range of 8 Hz to 5 kHz limited by maximum force of up to 1000 N (667 ms-2 for 1.5 kg at 5 kHz) or a displacement limit of 12.7 mm peak to peak (60 ms-2 for 10 kg at 15 Hz)
with a sensitivity range of -
0.5 mV/ms-2 to 5 V/ms-2 or 0.5 pC/ms-2 to 5 nC/ms-2
with Calibration and Measurement Capability of -
0.5% at nominal frequencies from 8 Hz to below 1250 Hz
0.55% from nominal frequencies from 1250 Hz to below 2500 Hz
1.0% from nominal frequencies of 2500 Hz to below 5 kHz
1.9% at nominally 5 kHz
Electrical tests
0.1% display linearity
0.25% Vector addition (PPV)
|
Vibration metrology - Vibration standards and reference equipment
| Vibration calibrators;
| Acceleration; Distortion; Frequency;
| Comparison measurement against reference transducer;
| ACU-VIB Procedure AVP13, ISO 16063-21, ISO 8041 | For frequencies between 7 Hz and 10 kHz at levels between 1 ms-2 and 100 ms-2 |
|
CAPABILITY
For frequencies between 7 Hz and 10 kHz at levels between 1 ms-2 and 100 ms-2
with a Calibration and Measurement Capability for acceleration at nominal frequencies of
1.2% from 7 Hz to below 16 Hz
1% from 16 Hz to below 80 Hz
0.6% from 80 Hz to 2 kHz
1% from 2 kHz to 10 kHz
with a Calibration and Measurement Capability of -
0.02 Hz for frequency
0.2% for total harmonic distortion and noise
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