Acoustic noise test report - Maxdata

The test result refer exclusively 

to the model tested. 

This report must not be copied without 

the written authorization by the lab. 

Rev. 3.0 

Customer 

QUANMAX AG 

Industriezeile 35 

4021 Linz 

Tel.: +43 732 7664-3105 

Fax: +43 732 7664-113 

Acoustic test report 

110379-AU01+N01 

QUANMAX AG 

 

MAXDATA PC- System 

Favorit 5000 IM 04 Select 

Registration number: DGA-PL-224/95-03

EMV TESTHAUS GmbH 

Gustav-Hertz-Straße 35 

94315 Straubing 

Tel.: +49 9421 56868 - 0 

Fax: +49 9421 56868 - 100 

Email: company@emv-testhaus.com 

Accreditation: 

Registration number: DGA-PL-224/95-03 

Valid until 21.12.2014 

Test Laboratory: 




The technical accuracy is guaranteed through the quality management of the 

EMV TESTHAUS GmbH. 




Germany 

Rev. 3.0 

QUANMAX AG 


110379-AU01+N01 2 / 17

Table of contents 

1. Test regulation and standards ................................................................................. 4 

2. Equipment under test .............................................................................................. 5 

3. Test specification .................................................................................................... 7 

4. Test result ............................................................................................................. 13 

5. Summary ............................................................................................................... 17 




Germany 

Rev. 3.0 

QUANMAX AG 


110379-AU01+N01 3 / 17

1. Test regulation and standards 

Referenced standards 

DIN EN ISO 7779: 11-2002 Measurement of airborne noise emitted by 

computer and business equipment. 

ISO 9296: 1988 Declared noise emission values of computer and 

business equipment. 

RAL-UZ 78: 09-2009 Environmentally acceptable workstation 

computers. 

Including following tests 

Sound power level EN ISO 7779: 2001, 

Chapter 7 

Sound pressure level EN ISO 7779: 2001, 

Chapter 8 

Impulsive sound 

pressure levels and 

discrete tones 

EN ISO 7779: 2001, Annex 

D, E 

Noise emission values ISO 9296: 1988 

Environmental symbol 

"Blauer Engel" 

Requirements 

RAL-UZ 78: 09-2009 




Germany 

Rev. 3.0 

Methods for determination of sound power 

levels of equipment under essentially freefield 

conditions over a reflecting plane. 

Methods of measuring sound pressure 

levels at the operator and bystander 

position. 

Measurement of impulsive pressure levels 

and discrete tones at the operator position 

Environmental symbol "Blauer Engel" according to RAL-UZ 78: 09-2009 

Sound power level LWAd for operating (ODD): ≤ 52,0 dB(A) 

Sound power level LWAd for operating (HDD): ≤ 44,0 dB(A) 

Sound power level LWAd for operation: (90% CPU workload): ≤ 48,0 dB(A) 

Sound power level LWAd for operation: (idle mode) ≤ 40,0 dB(A) 

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2. Equipment under test 

Equipment description 

Product type: MAXDATA PC- System 

Model name: Favorit 5000 IM 04 Select 

Serial number: 7110-7121-8711 

Manufacturer: QUANMAX AG 

Operational description of 

the EUT: 

List of components 

Component Manufacturer Model No. Part 

No. 

Power supply 

Drives 

FSP FSP350-60HHN 

HDD Western Digital WD5000AAKX 

CD-Rom Sony/NEC 

FDD -- 

AD-7260S 

Boards 

Mainboard Gigabyte GA-Z68MA-D2H- 

B3 

CPU Intel 95Watt TDP 

CPU Cooler EKL EKL-1156-21905 

RAM 1x 4GB 

Graphic card Intel CPU integriert 

LAN Realtek on board 

Audio Realtek on board 

Enclosure 

Case Fan -- 

HDD Fan -- 




Germany 

Rev. 3.0 

Serial No. Rev. Remark 

QUANMAX AG 


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Photo documentation – EUT 




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Rev. 3.0 

QUANMAX AG 


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3. Test specification 

Operating modes 

1. Operating (ODD): 100% ODD Load 

Test Program: Burn in Test. 

2. Operating (HDD): 100% Data read an veryfi 

Test Program: Burn In Test 

3. Operating (System): 90% CPU workload 

Test Program : Burn in Test 

4. Idle mode: Windows desktop 

Test Program: N/A 

Test setup 

For the measurement the EUT is placed on a test table according to 

DIN EN ISO 7779: 09-2009, arrangement with 9 measurement points. 




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Rev. 3.0 

QUANMAX AG 


110379-AU01+N01 7 / 17

Measurement points 

l1 = 0,20 m 

EUT dimensions l2 = 0,40 m 

l3 = 0,37 m 

Measurement distance d = 1,0 m 

a = 1,10 m 

b = 1,20 m 

c = 1,37 m 

Measuring surface S = 17,88 m² 

Surface sound value 12,5 dB 

Reference area S0 = 1,0 m² 

Formulas: 

Measurement point Coordinates 

x y z 

1 1,10 m 0,00 m 0,69 m 

2 0,00 m 1,20 m 0,69 m 

3 -1,10 m 0,00 m 0,69 m 

4 0,00 m -1,20 m 0,69 m 

5 1,10 m 1,20 m 1,37 m 

6 -1,10 m 1,20 m 1,37 m 

7 -1,10 m -1,20 m 1,37 m 

8 1,10 m -1,20 m 1,37 m 

9 0,00 m 0,00 m 1,37 m 

a = 0.5 l1 + d b = 0.5 l2 +d c = l3 + d S = 4(ab + bc + ca) 

Surface sound value = 10 lg S 

S 0 ; S0 = 1m² 




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Rev. 3.0 

QUANMAX AG 


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Measuring conditions 

Background noise level 14,0 dB 

Room correction K2 = 1,33 dB 

Measurement uncertainty 3,0 dB 

Absorption factor α = 0,5 

Length 10,0 m 

Width 10,0 m 

Height 5,0 m 

Reference area A = 200,00 m² 

Climatic parameters 

Measuring method 

Air temperature 23 °C 

Relative humidity 43.8 % 

Barometric pressure 99,5 kPa 

Measuring mode FAST 

Test time 120 s 

Frequency range 20Hz to 20 kHz 

Frequency weighting A-weighting according to DIN EN 60651 

Calibration method 

Measurement uncertainty 

Calibrator 4231 (Brüel & Kjaer) ± 0,2dB 

Mediator 2250 (Brüel & Kjaer) ± 0,3dB 

Noisetable (EMV Testhaus) ± 0,5 dB 

Measurement distance ± 0,1 dB 




Germany 

Rev. 3.0 

Acoustic calibrator Brüel & Kjaer 

Type 4231 

QUANMAX AG 


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Location of measurement 

Description Manufacturer Inventory Nr. 

Anechoic chamber EMV TESTHAUS GmbH E00100 

Measurement equipment 

Description Manufacturer Inventory Nr. 

Acoustic analyze 2250 Brüel & Kjaer N00110 

Calibrator Brüel & Kjaer N00254 




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Rev. 3.0 

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Photo documentation – Test setup 

Test related measurement inaccuracies have to be taken into consideration when evaluating the test results. 

All used test instrument as well as the test accessories are calibrated at regular intervals. 




Germany 

Rev. 3.0 

QUANMAX AG 


110379-AU01+N01 11 / 17

4. Summary of test results 

Noise emission values according to ISO 9296: 1988 




Germany 

Rev. 3.0 

Sound pressure level 

Operation mode 1: ODD 21,8 dB(A) 

Operation mode 2: HDD 19,7 dB(A) 

Operation mode 3: System 18,5 dB(A) 

Idle mode 18,3 dB(A) 

If the minimum distance to the background noise is less than 6 dB, the value for standby is 

determined as the upper limit according to DIN EN 7779: 11-2002 

Evaluated tests according to RAL-UZ 78: 06-2006, "Blauer Engel" 

Measured 

LWAd 

Limit 

LWAd 

Operation mode 1: ODD 37,3 dB(A) 52,0 dB(A) X 

Operation mode 2: HDD 35,2 dB(A) 44,0 dB(A) X 

Operation mode 3: System 34,0 dB(A) 48,0 dB(A) X 

Idle mode 33,8 dB(A) 40,0 dB(A) X 

LWad = LWAE + 3dB (Measurement uncertainty) 

The results are only applicable to the tested configuration 

Passed Failed 

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5. Test result 

Test 1: ODD, operating mode 

Measuring data 

Measurement point Sound pressure level LpA 

1 23,6 dB(A) 

2 24,4 dB(A) 

3 24,9 dB(A) 

4 24,1 dB(A) 

5 23,4 dB(A) 

6 23,9 dB(A) 

7 22,9 dB(A) 

8 22,8 dB(A) 

9 21,1 dB(A) 

Average Sound pressure level L'p = 23,6 dB 

Sound pressure level Lpf = 21,8 dB 

Background noise correction K1 = 0,50 dB 

Surface sound pressure level SSP = 12,5 dB 


A-weighted sound power level LWAE = 34,3 dB(A) 

A-weighted sound power level LWAd = 37,3 dB(A) 

including production and 

measurement tolerances 

Formulas: 

L 

L 

L 

Comments: 

N 

p 10lg N i1 

pf 

WAE 

L 

p 

L 

1 

10 

 

K K 

pf 

1 

S 

SP 

2 

0, 

1L 

pi 

 

 

 




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Rev. 3.0 

QUANMAX AG 


110379-AU01+N01 13 / 17

Test 2: HDD operating mode, random block read 



1 20,3 dB(A) 

2 22,9 dB(A) 

3 24,6 dB(A) 

4 23,0 dB(A) 

5 21,2 dB(A) 

6 20,5 dB(A) 

7 19,5 dB(A) 

8 19,9 dB(A) 

9 21,4 dB(A) 










Formulas: 

L 

L 

L 

Comments: 

N 

p 10lg N i1 

pf 

WAE 

L 

p 

L 

1 

10 

 

K K 

pf 

1 

S 

SP 

2 

0, 

1L 

pi 

 

 

 




Germany 

Rev. 3.0 

QUANMAX AG 


110379-AU01+N01 14 / 17

Test 3: System, operating mode 



1 20,2 dB(A) 

2 21,8 dB(A) 

3 22,1 dB(A) 

4 21,0 dB(A) 

5 20,6 dB(A) 

6 19,5 dB(A) 

7 20,0 dB(A) 

8 19,4 dB(A) 

9 21,5 dB(A) 










Formulas: 

L 

L 

L 

Comments: 

N 

p 10lg N i1 

pf 

WAE 

L 

p 

L 

1 

10 

 

K K 

pf 

1 

S 

SP 

2 

0, 

1L 

pi 

 

 

 




Germany 

Rev. 3.0 

QUANMAX AG 


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Test 4: Idle mode 



1 21,1 dB(A) 

2 23,1 dB(A) 

3 21,4 dB(A) 

4 20,4 dB(A) 

5 19,6 dB(A) 

6 19,6 dB(A) 

7 19,2 dB(A) 

8 19,5 dB(A) 

9 21,1 dB(A) 










Formulas: 

L 

L 

L 

Comments: 

N 

p 10lg N i1 

pf 

WAE 

L 

p 

L 

1 

10 

 

K K 

pf 

1 

S 

SP 

2 

0, 

1L 

pi 

 

 

 




Germany 

Rev. 3.0 

QUANMAX AG 


110379-AU01+N01 16 / 17

6. Summary 

The regulations according to the mentioned standards are 

Kept 

The sound power levels LWAd of the Equipment under Test are 

less than or equal to RAL UZ 78: 09-2009 

Not kept 

The sound power levels LWAd of the Equipment under Test are 

higher than required by RAL UZ 78: 09-2009 

Straubing, August 11, 2011 

Christian Kiermeier 

Test engineer 





Germany 

Rev. 3.0 

Markus Biberger 

Technical executive 


QUANMAX AG 


110379-AU01+N01 17 / 17

Acoustic noise test report - Maxdata

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