Norwegian accreditation

Accreditation scope for

CAL 022

Norsonic AS

Norsonic Kalibreringslaboratorium

Gunnersbråtan 2
3409 TRANBY

Telephone: Tlf. 32 85 89 00
E-mail: tcarlsen@Norsonic.com
Internet: http://www.norsonic.com
The laboratory meets the requirements in
NS-EN ISO/IEC 17025




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



Permanent facility K05 Mechanical quantities

Acceleration sensisivity -voltage

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

Remarks/ref. to internal procedure: ISO 16063-21/NTQ-L-017

Acceleration

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

Remarks/ref. to internal procedure: NTQ-L-017

Mean time between successive impacts

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

Remarks/ref. to internal procedure: ISO 10140-5 / ISO 16283-2 / NTQ-L-015

Falling direction

Range
Uncertainty (CMC)
0 - 1°
0,1°

Remarks/ref. to internal procedure: ISO 10140-5 / ISO 16283-2 / NTQ-L-015

Momentum

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

Remarks/ref. to internal procedure: ISO 10140-5 / ISO 16283-2 / NTQ-L-015

Hammer diameter

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

Remarks/ref. to internal procedure: ISO 10140-5 / ISO 16283-2 / NTQ-L-015

Hammer curvature

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

Remarks/ref. to internal procedure: ISO 10140-5 / ISO 16283-2 / NTQ-L-015

Time between successive impacts

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

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

Microphone sensitivity - Freefield

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

Remarks/ref. to internal procedure: NTQ-L-012

Reference Sound Source -Sound power level

Range
Uncertainty (CMC)
60 dB til 130 dB re 1 pW in 1/3 octave bands
125 Hz - 160 Hz: 0,8 dB
200 Hz - 250 Hz: 0,6 dB
400 Hz - 4 kHz: 0,5dB
5 kHz - 8 kHz: 0,6 dB
10 kHz: 0,7 dB
12,5 kHz: 0,9 dB
16 kHz: 1,1 dB
20 kHz: 1,2 dB
50 Hz: 1,5 dB
63 Hz:1,3 dB
80 Hz:1,0 dB
100 Hz:0,9 dB
315 Hz: 0,6 dB

Remarks/ref. to internal procedure: ISO 6926 / ISO 3745 / NTQ-L-016

Sound calibrator - Sound pressure level

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

Remarks/ref. to internal procedure: IEC 60942:2017 and IEC 60942:2003 / NTQ-L-002

Sound calibrator - Frequency

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

Remarks/ref. to internal procedure: IEC 60942/NTQ-L-002

Sound calibrator - Short term level fluctuation

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

Remarks/ref. to internal procedure: IEC 60942/NTQ-L-002

Sound calibrator - Distortion

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

Remarks/ref. to internal procedure: IEC 60942/NTQ-L-002

Microphone sensitivity - Pressure in coupler

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

Remarks/ref. to internal procedure: IEC 61094-5 / NTQ-L-003

Microphone sensitivity - Electrostatic response

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

Remarks/ref. to internal procedure: IEC61094-6/ NTQ-L-003/ NTQ-L-011

Sound Level Meter - Level linearity

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

Remarks/ref. to internal procedure: IEC 61672-3:2013 and IEC 61672-3:2006 / NTQ-L-007

Sound Level Meter - Toneburst response

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

Remarks/ref. to internal procedure: IEC 61672-3 / NTQ-L-007

Sound Level Meter - Peak test

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

Remarks/ref. to internal procedure: IEC 61672-3 / NTQ-L-007

Sound Level Meter - Sound pressure level

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

Remarks/ref. to internal procedure: IEC 61672-3 / NTQ-L-007

Sound Level Meter - Freefield response

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

Remarks/ref. to internal procedure: IEC 61672-3:2013 and IEC 61672-3:2006 / NTQ-L-007

Sound Level Meter - Overload test

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

Remarks/ref. to internal procedure: IEC 61672-3 / NTQ-L-007

Microphone Preamplifier - Gain

Range
Uncertainty (CMC)
-20 dB - +22 dB
0,1 dB

Remarks/ref. to internal procedure: NTQ-L-10

Microphone Preamplifier -Input capacitance

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

Remarks/ref. to internal procedure: NTQ-L-10

Microphone Preamplifier -Frequency response

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

Remarks/ref. to internal procedure: NTQ-L-10

Sound level meter - Long term stability test

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

Remarks/ref. to internal procedure: IEC 61672-3:2013 / NTQ-L-007

Sound level meter - High level stability test

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

Remarks/ref. to internal procedure: IEC 61672-3:2013 / NTQ-L-007