Noise spectrum analyzer

Noise spectrum analyzer modelMHY202034

1. The measurement accuracy of the sound level meter meets the requirementsGB/T3785(IEC61672) 1Grade.

2. The filter complies withIEC1260andGB/T3241right1level1/1Requirements for octave band filters.

3. Dynamic range greater than100dBNo range conversion is required during measurement.

4. Can simultaneously perform three types of frequency weighting in parallelATheCTheZThree types of time weightingFTheSTheImeasurement

5. Peak value according to the new national standardCpeakPeak noise in sound level measurement.

6. Can measure and display simultaneously10Measurement indicators can also be displayed in graphics.

7. can be based on1/1Calculate the sound pressure level of each frequency point at the center frequency point of the octave band filter over a period of time

The equivalent continuous sound level isLeqValue.

8. Digital signal processing, wide frequency response range, large dynamic range, and lower background noise.

9. Airport noise can be measured according to standards.

10、

Noise spectrum analyzer

You can choose reverberation according to your needs60Measurement and recording functions. (Need to purchase)

1 Execution standard:GB/T3785-2010(IEC61672:2002) 1levelGB/T3241-2014(IEC61260:2014)1level

2 Microphone: Φ12.7mm（1/2Pre polarization test condenser microphone

3 Frequency range:10Hz~20kHz

4 Measurement range:20dB~130dB (A)The23dB~130dB (C)The28dB~130dB(Z)

5 Dynamic range: greater than100dB（AAccounting rights)

6 Frequency weighting: Parallel (simultaneous)ATheCTheZCalculation rights

7 Time weighting: Parallel (simultaneous) fast（F）Slow down（S）TheI(Pulse) andCpeak

8 Detector characteristics: digital detection technology

9 A/DNumber of digits:24bit

10 Sampling frequency:48kHz

11 monitor:160×160Dot matrix LCD display withLEDBacklight.

12 Level range: divided into high and low2Each gear has a linear range of ≥100dB. High:30dB~130dBLow:20dB~110dB

LCpeak: High:70dB~133dBLow:50dB~113dB

13 Main display content: Can measure and display simultaneously10Measurement indicators and sound pressure level variation curves over time. Statistical distribution map, cumulative distribution map24Hourly distribution chartL1~L99The calculated value.1/1Real time spectrogram.

14 Noise spectrum measurement: The instrument can measure in real-time1/1The octave band filter calculates and displays the sound pressure level at each center frequency point, and the instrument can save and display real-time data.

15 Measurement time setting: Single group measurement time can be selected10sThe1minThe5minThe10minThe15minThe20minThe

30minThe1hThe8hThe24h.Man(The time in manual mode)24Set arbitrarily within the hour.

16 Main measurement indicators:LxypTheLxeqTheLxaeTheLxmaxTheLxminTheLxnTheSDTheETheDI%.

（XforATheCTheZ，YforFTheSTheI，Nfor5、10、50、90、95）

17 Airport noise measurement: Airport noise measurement can be conducted and calculatedTdTheLepnTheLAmaxTheLA'maxThe longest measurement time is60In seconds, the measurement can be manually completed and the results calculated.

18 Collecting noise measurement: Calculate and save the instantaneous sound level for a period of time, and the measurement time can be manually set

19 Data Storage: OnlyF1ashCan store a single set of measurement results3000Group or hourly measurement results200Group. Like addingSDThe card storage capacity can be expanded to the maximum32GBCan store more measurement data.

20 Data processing software: useHS7001Software reads data andSDCard data file, perform post-processing analysis, and output a report.

21 Data export: throughRS-232Interface capable of outputting instrumentsF1ashandSDThe data in the card can also be accessed throughUSBInterface readingSDThe data file in the card.

22 Output: Communication outputRS-232口、USB口。

23 power supply7.5V（5section5Alkaline batteryLR6/AA/AM3）Can work continuously24Hour (non spectrum testing method).

24 Overall dimensions:1×b×h（mm）290×82×40

25 quality400g(Excluding battery)

26Working temperature:-10℃~50℃, relative humidity20%~90%