ATE-9051 Sound Level Meter

AKTAKOM ATE-9051 Sound Level Meter
Click an image to enlarge
Warranty:1 year
User's Manual:Download
USB (Universal Serial Bus)

This Sound Level Meter is designed for noise project; quality control; illness prevention and cure and all kinds of environmental sounds measurement. It is applied to the sounds measurement at factory; school, office, traffic access and household, etc.

Retail price :$160.00

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AKTAKOM ATE-9051 Sound Level Meter is designed for noise measurements, quality control,acceptable noise level controland all kinds of environmental sound measurements. It is applied to the sound measurements at factory, school, office, trafficand household etc.


  • This unit confirms toIEC61672-1 CLASS2 for Sound Level Meters.
  • MAX & MIN measurements
  • Over range display
  • Under range display
  • A & C Weighting
  • FAST & SLOW response
  • Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder

Sound level30...130 dB
Frequency range31.5 Hz...8 kHz
Dynamic range50 dB
Data hold+
Min/Max measurement+
Power supply9 V battery, AC/DC power adapter
Dimensions11 x 3 x 2 in / 278 x 76 x 50 mm


  • Standard applied: IEC61672 -1 CLASS2
  • Accuracy: +1.4dB
  • Frequency range: 31.5Hz~8kHz
  • Dynamic range: 50dB
  • Level ranges:
  • LO: 30dB~80dB
  • Med: 50dB~100dB
  • Hi: 80dB~130dB
  • Auto: 30dB~130dB
  • Frequency weighting: A/C
  • Time weighting: FAST (125ms), SLOW (1s)
  • Microphone: 1/2 inch electret condenser microphone
  • Display: 4 digits LCD display with the resolution of 0.1dB
  • Display Update: 2 times/sec.
  • MAX hold: Hold the Maximum reading
  • MIN hold: Hold the Minimum reading
  • HOLD: Hold the readings
  • Alarm function: OVER is when the input is more than the upper range level.
    UNDER is when the input is less than the upper range limit.
  • Analog output: AC/DC outputs from earphone outlet
    AC=1Vrms, DC=10mV/dB
  • Data output: USB data traffic
  • Auto power off: Meter automatically shuts down after approx. 15 minutes of inactivity.
  • Power supply: One 9V battery, 006P or NEDA1604 or IEC 6F22.
  • Power life: About 30 hours
  • Operation temperature and humidity: 0ºC~40ºC,10%RH~90%RH
  • Storage temperature and humidity: -10ºC~60ºC, 10%RH~75%RH
  • Dimensions (L×W×H): 11×3×2in/278×76×50mm
  • Weight: 12.3oz/ 50g
1. Battery
2. Screwdriver
3. Audio plug
4. Windscreen
5. USB cable
6. CD Software
7. Tripod
8. DC 9V power supply

Measurement preparation

  1. Remove the battery cover on the back and put in one 9V battery
  2. Recover the back cover
  3. When battery voltage drops below the operating voltage or battery aging, this symbol will appear on LCD. Replace the 9V battery
  4. When the AC adapter is used, insert the plug of the adapter (3.5φ) into the DC 9V connector on the side panel.

Operation procedure

  1. Power on the meter
  2. Press ‘LEVEL’ button to select desired level, base on UNDER or OVER do not appear on LCD
  3. Select dBA for general noise sound level and dBC for measuring sound level of acoustic material
  4. Select FAST for instant sound and SLOW for average sound level
  5. Select MAX/MIN button for measuring maximum and minimum noise level
  6. Hold the instrument comfortable in hand or fix on tripod and measure sound level at a distance of 1~1.5 meter.

Calibration procedure

  1. Make the following switch settings:
    • Frequency weighting: A-weighting
    • Time weighting: FAST
    • Level range: 50~100dB
  2. Insert the microphone housing carefully into the 1/2 inch insertion hole of the calibrator (94dB ~1kHz)
  3. Turn on the switch of calibrator and adjust the CALL potentiometer of the unit 94.0dB is displayed.

NOTE: All products are well calibrated before the shipment. Recommended recalibration cycle: 1 year.

Frequently Asked Questions

  • How to connect your ATE-9051 to your computer?

  • How to connect your ATE-9051 to your computer?

    Before you connect your new device to your computer using the USB cable that comes with the device you should install the software and driver that comes with it or that you download from our site. You may receive your equipment with an old driver version that works only till Vista. Please download from our site the new driver version and install it properly.

    How to check if your driver is properly installed

    Also your software may display an icon software 8051 instead of 9051. Don't worry, both are same software version. Finally, to connect your device you just click on a Com Port(C) tab and choose the AutoDetect option. If you do not see values in your screen please go to your Windows Device Manager and check your device is installed as per picture above.


    ATE-9051 USB Device Driver for Windows

    USB device driver for Windows XP, Windows Server 2000, Windows Vista and Windows 7 supports AKTAKOM ATE-9051 Sound Level Meter.

    Learn more...

    (6.79 Mb)
    Product registration required

    El Medidor de nivel de sonido AKTAKOM ATE-9051 est diseado para mediciones de ruido, control de calidad, control de nivel de ruido aceptable y todo tipo de mediciones de sonido ambiental. Se aplica a las mediciones de sonido en la fbricas, la escuelas, la oficinas, el trfico y el hogar, etc


    • Esta unidad confirma la norma IEC61672-1 clase 2 para sonmetros.
    • Mediciones de MAX & MIN
    • Muestra de rango superior e inferior
    • Ponderacin A & C
    • Respuesta FAST & SLOW (Rapida y lenta)
    • Conexin analgica CA / CD para analizador de frecuencia del o grabaciones en los ejes X-Y

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