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Norwegian accreditation

Accreditation scope for

CAL 022

Norsonic AS

Norsonic Kalibreringslaboratorium

Gunnersbråtan 2
3409 TRANBY

Telephone: 32 85 89 00
E-mail: ncl@norsonic.com
Internet: http://www.norsonic.com
The laboratory meets the requirements in

NS-EN ISO/IEC 17025:2017




Accreditation includes:
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The administrative / geographical unit:
Norsonic AS
Gunnersbråtan 2
3409 TRANBY


Permanent facility K05 Mechanical quantities

Acceleration sensisivity -voltage

Range
Uncertainty (CMC)
Range
0,7 mV/ms-2 til 7 mV/ms-2
Uncertainty (CMC)
2 Hz ≤ f < 5 Hz: 5%
Range
0,7 mV/ms-2 til 100 mV/ms-2
Uncertainty (CMC)
5 Hz ≤ f ≤ 3 kHz: 2%
Range
0,7 mV/ms-2 til 100 mV/ms-2
Uncertainty (CMC)
3 kHz < f ≤ 8 kHz: 5%
Range
7 mV/ms-2 til 100 mV/ms-2
Uncertainty (CMC)
1 Hz ≤ f < 2 Hz: 5%
Range
7 mV/ms-2 til 100 mV/ms-2
Uncertainty (CMC)
2 Hz ≤ f < 5 Hz: 2%

Remarks/ref. to internal procedure: ISO 16063-21:2003 / L244-17

Acceleration

Range
Uncertainty (CMC)
Range
1 ms-2 til 100 ms-2
Uncertainty (CMC)
10 Hz ≤ f ≤ 1 kHz: 2%
Range
1 ms-2 til 100 ms-2
Uncertainty (CMC)
1 kHz < f ≤ 5 kHz: 3%
Range
1 ms-2 til 100 ms-2
Uncertainty (CMC)
5 kHz < f ≤ 10 kHz: 5%

Remarks/ref. to internal procedure: ISO 16063-44:2018 / L244-17

Mean time between successive impacts

Range
Uncertainty (CMC)
Range
80 ms til 120 ms
Uncertainty (CMC)
1 ms

Remarks/ref. to internal procedure: ISO 10140-5:2021 / ISO 16283-2:2020 / L244-015

Falling direction

Range
Uncertainty (CMC)
Range
0° - 1°
Uncertainty (CMC)
0,1°

Remarks/ref. to internal procedure: ISO 10140-5:2021 / ISO 16283-2:2020 / L244-015

Momentum

Range
Uncertainty (CMC)
Range
0,4 - 0,5 kgm/s
Uncertainty (CMC)
0,003 kgm/s

Remarks/ref. to internal procedure: ISO 10140-5:2021 / ISO 16283-2:2020 / L244-015

Hammer diameter

Range
Uncertainty (CMC)
Range
29 mm - 31 mm
Uncertainty (CMC)
0,04 mm

Remarks/ref. to internal procedure: ISO 10140-5:2021 / ISO 16283-2:2020 / L244-015

Hammer curvature

Range
Uncertainty (CMC)
Range
400 mm - 600 mm
Uncertainty (CMC)
20 mm

Remarks/ref. to internal procedure: ISO 10140-5:2021 / ISO 16283-2:2020 / L244-015

Time between successive impacts

Range
Uncertainty (CMC)
Range
80 ms til 120 ms
Uncertainty (CMC)
4 ms

Remarks/ref. to internal procedure: ISO 10140-5:2021 / ISO 16283-2:2020 / L244-015
Permanent facility K06 Acoustical quantities

Microphone sensitivity - Freefield

Range
Uncertainty (CMC)
Range
3 to 100 mV/Pa
Uncertainty (CMC)
31,5 Hz ≤ f ≤ 1,25 kHz: 0,2 dB
Range
Uncertainty (CMC)
1,25 kHz < f ≤ 4 kHz: 0,3 dB
Range
Uncertainty (CMC)
4 kHz < f ≤ 8 kHz: 0,4 dB
Range
Uncertainty (CMC)
8 kHz < f ≤ 16 kHz: 0,5 dB
Range
Uncertainty (CMC)
16 kHz < f ≤ 20 kHz: 0,8 dB

Remarks/ref. to internal procedure: L244-012

Reference Sound Source -Sound power level

Range
Uncertainty (CMC)
Range
60 dB til 130 dB re 1 pW in 1/3 octave bands
Uncertainty (CMC)
125 Hz - 160 Hz: 0,8 dB
Range
Uncertainty (CMC)
200 Hz - 315 Hz: 0,6 dB
Range
Uncertainty (CMC)
400 Hz - 4 kHz: 0,5dB
Range
Uncertainty (CMC)
5 kHz - 8 kHz: 0,6 dB
Range
Uncertainty (CMC)
10 kHz: 0,7 dB
Range
Uncertainty (CMC)
12,5 kHz: 0,9 dB
Range
Uncertainty (CMC)
16 kHz: 1,1 dB
Range
Uncertainty (CMC)
20 kHz: 1,2 dB
Range
Uncertainty (CMC)
50 Hz: 1,5 dB
Range
Uncertainty (CMC)
63 Hz:1,3 dB
Range
Uncertainty (CMC)
80 Hz:1,0 dB
Range
Uncertainty (CMC)
100 Hz:0,9 dB

Remarks/ref. to internal procedure: ISO 6926:2016 (ANSI S12.5-2016) / ISO 3745:2012 / L244-016

Sound calibrator - Sound pressure level

Range
Uncertainty (CMC)
Range
70 dB to 135 dB re. 20 µPa
Uncertainty (CMC)
31,5 Hz ≤ f < 125 Hz: 0,15 dB
Range
Uncertainty (CMC)
125 Hz ≤ f ≤ 4 kHz: 0,09 dB
Range
Uncertainty (CMC)
4 kHz < f ≤ 8 kHz: 0,15 dB
Range
Uncertainty (CMC)
8 kHz < f ≤ 16 kHz: 0,3 dB
Range
Uncertainty (CMC)
16 kHz < f ≤ 20 kHz: 0,8 dB

Remarks/ref. to internal procedure: IEC 60942:2003 / L244-002

Sound calibrator - Frequency

Range
Uncertainty (CMC)
Range
31,5 Hz to 100 kHz
Uncertainty (CMC)
0,1%

Remarks/ref. to internal procedure: IEC 60942:2003/ L244-02

Sound calibrator - Short term level fluctuation

Range
Uncertainty (CMC)
Range
0,015 dB to 1 dB
Uncertainty (CMC)
0,02 dB

Remarks/ref. to internal procedure: IEC 60942:2003/ L244-02

Sound calibrator - Distortion

Range
Uncertainty (CMC)
Range
0 % to 10 %
Uncertainty (CMC)
0,3 %

Remarks/ref. to internal procedure: IEC 60942:2003 / L244-02

Microphone pressure sensitivity-sound calibrator or pistophone measuremente.

Range
Uncertainty (CMC)
Range
3 to 100 mV/Pa
Uncertainty (CMC)
250 Hz and 1000 Hz: 0,09 dB

Remarks/ref. to internal procedure: L244-03

Microphone sensitivity - Electrostatic response

Range
Uncertainty (CMC)
Range
3 – 100 mV/Pa
Uncertainty (CMC)
31,5 Hz ≤ f ≤ 1,25 kHz: 0,2 dB
Range
Uncertainty (CMC)
1,25 kHz < f ≤ 4 kHz: 0,3 dB
Range
Uncertainty (CMC)
4 kHz < f ≤ 8 kHz: 0,5 dB
Range
Uncertainty (CMC)
8 kHz < f ≤ 10 kHz: 0,6 dB
Range
Uncertainty (CMC)
10 kHz < f ≤ 16 kHz: 0,8 dB
Range
Uncertainty (CMC)
16 kHz < f ≤ 20 kHz: 1,0 dB

Remarks/ref. to internal procedure: IEC 61094-6:2004 / L244-03 / L244-011

Sound Level Meter - Level linearity

Range
Uncertainty (CMC)
Range
0,1 mV til 40 V
Uncertainty (CMC)
31,5 Hz ≤ f ≤ 16 kHz: 0,15 dB

Remarks/ref. to internal procedure: IEC 61672-3:2006 / IEC 61672-3:2013 / L244-07

Sound Level Meter - Toneburst response

Range
Uncertainty (CMC)
Range
4 kHz sinusoidal
Uncertainty (CMC)
0,2 dB

Remarks/ref. to internal procedure: IEC 61672-3:2006 / IEC 61672-3:2013 / L244-07

Sound Level Meter - Peak test

Range
Uncertainty (CMC)
Range
500 Hz, 8 kHz
Uncertainty (CMC)
0,2 dB
Range
1 mV - 40 V
Uncertainty (CMC)

Remarks/ref. to internal procedure: IEC 61672-3:2006 / IEC 61672-3:2013 / L244-07

Sound Level Meter - Sound pressure level

Range
Uncertainty (CMC)
Range
70 dB to 130 dB re. 20 µPa
Uncertainty (CMC)
250 Hz and 1 kHz: 0,16 dB
Range
Uncertainty (CMC)

Remarks/ref. to internal procedure: IEC 61672-3 :2006 / IEC 61672-3 :2013 / L244-07

Sound Level Meter - Freefield response

Range
Uncertainty (CMC)
Range
70 dB til 120 dB re. 20 µPa
Uncertainty (CMC)
31,5 Hz ≤ f ≤ 4 kHz: 0,3 dB
Range
Uncertainty (CMC)
4 kHz < f ≤ 8 kHz: 0,4 dB
Range
Uncertainty (CMC)
8 kHz < f ≤ 12,5 kHz: 0,5 dB
Range
Uncertainty (CMC)
12,5 kHz < f ≤ 16 kHz: 0,8 dB
Range
Uncertainty (CMC)
16 kHz < f ≤ 20 kHz: 1,0 dB

Remarks/ref. to internal procedure: IEC 61672-3:2006 / IEC 61672-3 :2013 / L244-07

Sound Level Meter - Overload test

Range
Uncertainty (CMC)
Range
31,5 Hz, 1 kHz, 4 kHz, 8 kHz
Uncertainty (CMC)
0,2 dB
Range
1 mV - 40 V
Uncertainty (CMC)

Remarks/ref. to internal procedure: IEC 61672-3:2006 / IEC 61672-3:2013 / L244-07

Microphone Preamplifier - Gain

Range
Uncertainty (CMC)
Range
-2dB to +2dB
Uncertainty (CMC)
0,1 dB

Remarks/ref. to internal procedure: L244-10

Microphone Preamplifier -Input capacitance

Range
Uncertainty (CMC)
Range
0,1 pF to 50 pF
Uncertainty (CMC)
7% of reading + 0,1 pF

Remarks/ref. to internal procedure: L244-10

Microphone Preamplifier -Frequency response

Range
Uncertainty (CMC)
Range
Uncertainty (CMC)
Range
-2dB to +2dB
Uncertainty (CMC)
20 Hz =< f < 100 Hz: 0,1 dB
Range
Uncertainty (CMC)
100 Hz =< f =< 10 kHz: 0,05 dB
Range
Uncertainty (CMC)
10 kHz < f =< 100 kHz: 0,1dB

Remarks/ref. to internal procedure: L244-10

Sound level meter - Long term stability test

Range
Uncertainty (CMC)
Range
10 mV til 10 V, 1 kHz
Uncertainty (CMC)
0,1 dB

Remarks/ref. to internal procedure: IEC 61672-3:2006 / IEC 61672-3:2013 / L244-07

Sound level meter - High level stability test

Range
Uncertainty (CMC)
Range
10 mV til 40 V
Uncertainty (CMC)
0,1 dB

Remarks/ref. to internal procedure: IEC 61672-3:2006 / IEC 61672-3:2013 / L244-07