Environmental Sound Level Meters & Calibrators

GAO’s environmental sound level meters & calibrators are used to measure noise levels in the workplace to ensure that they comply with safety regulations and do not cause hearing damage to workers. GAO Tek’s environmental sound level meters & calibrators are used to measure noise levels in the environment, such as in residential areas, near transportation routes, or around construction sites, to assess the impact of noise on the community. GAO’s environmental sound level meters & calibrators are used in acoustics research to measure sound levels and analyze sound characteristics, such as frequency, amplitude, and duration.

GAO’s environmental sound level meters & calibrators are composed of microphone, pre-amplifier, signal conditioning circuitry, analog-to-digital converter, display, controls and buttons, memory and data logging, power source, sound source, and reference microphone.

The other common names of sound level meters & calibrators are also known as noise level meters, decibel meters, audio level meters, acoustic measurement devices, sound intensity meters, and sound pressure meters. noise level meters, decibel meters, audio level meters, acoustic measurement devices, sound intensity meters, and sound pressure meters.

Showing 1–24 of 52 results

Digital Sound Level Meter ( Relative Humidity Meter)

SKU: GT00XR00ZZ
GAOTek Digital Sound level meter measures sound temperature RH which combines Relative humidity meter, luminometer and anemometer.

Digital Multi-Function Sound Level Meter (Max Hold Value)

SKU: GT00XR00ZP
GAOTek Digital manometer with USB interface measures pressure up to 10PSI with built-in low range and high range error indicator.

Sound Level Meter with Wild Measurement Range (Portable)

SKU: GT00XR00ZQ
GOATek Infrared Thermometer supports non contact design, supports low and high temp alarm setup function.

GAOTek Sound Level Meter with Pressure Level (Exposure Level)

SKU: GT00XR00ZR
This Sound Level Meter with Pressure Level (Exposure Level) is designed to measure noise levels from 30 dB to 130 dB and can be widely used in noise control projects and quality control.

Sound Level Meter with Datalogger (Real Time Clock Reader)

SKU: GT00XR00ZG
GAOTek Sound Level Meter with real clock reading and has data logging capacity up to 129920 , sampaling rate of 20ms,500ms,1s,2s,5s,10s,60s.

GAOTek Sound Level Meter Calibrator (ND9a, ND9b)

SKU: GT00X900ZY
This Sound Level Meter Calibrator (ND9a, ND9b) is designed for calibration of sound level meters and sound measuring system with a frequency of 1000 Hz.

GAOTek Portable Digital Sound Level Meter (Max Hold,Blister Card)

SKU: GT00XR00ZX
This Portable Digital Sound Level Meter (Max Hold, Blister Card) is designed with 0.47 in(12.7) mm polarization capacitance microphone and can be used for Safety Engineers, Industrial Safety offices and sound control in various environment.

Sound Level Meter with AC and DC Function (Auto Ranging)

SKU: GT00XR00ZO
Key Features Specifications   Key Features Sound level Range:30 to 130dB(Auto Ranging) Frequency weighting: A/C Fast/Slow time weighting selection 32000

Sound Level Meter with Noise Meter (High level Detector)

SKU: GT00XR00ZM
Key Features Specifications   Key Features Measure % Noise Dose / Exposure Time / Sound Level Real time clock with

Sound Level Meter with Std ANSI S1.4 TYPE2 (S/W Analysis)

SKU: GT00XR00ZN
Key Features Specifications Key Features Technical Specifications   Measuring range —-30~130 dBA —-35~130 dBC Accuracy ±1.5 dB Frequency response 31.5Hz

GAOTek Sound Level Calibrator (Sensitivity Calibration)

SKU: GT00X900ZZ
This portable Sound Level Calibrator (Sensitivity Calibration) is used for quick and easy sensitivity calibration of sound level meters and can give output level of sound pressure at 94 dB or 114 dB.

GAOTek Sound Level Calibrator with Large Storage (Autorange Selection)

SKU: GT00XR00ZY
This Sound Level Calibrator with Large Storage (Auto range Selection) can memorize 30 groups of measurement results and designed to measure the noise level of environment, machinery, vehicles, ships etc.

Sound Level Meter with Datalogger (Class 2, Auto Power Off)

SKU: GT00XR00ZL
Key Features Specifications   Key Features Bargraph indication Auto power off MAX/MIN function Clock display AC/DC signal output IEC 61672-1

Sound Level Meter with Datalogger (Class 2, Single Range)

SKU: GT00XR00ZK
Key Features Specifications Key Features Bargraph indication Manual reading recording memory (99 points) LCD recording readout (99 memory recording) Auto

Sound Level Meter with Datalogger (Class 2, Max/Min)

SKU: GT00XR00ZJ
Key Features Specifications   Key Features Bargraph indication Manual reading recording memory (99 points) LCD recording readout (99 memory recording)

Sound Level Meter with Datalogger (Class 2, Bar Graph)

SKU: GT00XR00ZI
Key Features Specifications Key Features Bargraph indication Auto ranging (30~130dB) Auto power off MAX/MIN function Clock display AC/DC signal output

Sound Level Calibrator with Microphones (Class 2, Accurate)

SKU: GT00XR00ZH
Key Features Specifications Key Features Accurate and simple to use Fit 1 inch and 1/2 inch microphones Low battery indicator

Sound Level Meter with Wide Frequency Range (4S Self-Calib)

SKU: GT00XR00ZU
Specifications Technical Specifications Measuring range: 30-130dB or 35-130dBc  Accuracy +1.5dB Frequency range 31.5Hz-8.5KHz Level range 50dB Frequency weighting A/C Digital

Sound Level Meter with Wide Frequency Range (Accurate)

SKU: GT00XR00ZV
Specifications   Technical Specifications  Measuring Range 30-130dB or 35-130dBc  Accuracy +1.5dB  Frequency range 31.5Hz-8.5KHz Frequency weighting  A/C Digital display 4

GAOTek Sound Level Meter with Wide Frequency Range (Accurate, Type 2)

SKU: GT00XR00ZT
This Sound Level Meter with Wide Frequency Range (Accurate, Type 2)  from 31.5 Hz ~ 8.5 KHz  is designed to measure sound pressure level in decibel(dB) which is widely used in sound quality control.

Sound Level Meter with Wide Frequency Range (Light Weight)

SKU: GT00XR00ZS
Specifications   Technical Specifications  Standard JJG 188-2002; IEC 61672-1: 2002 type2   Accuracy ± 1.5dB (at 1KHz 94dB)   Frequency 31.5Hz

GAOTek Moisture Tester Sensor Moisture Analyzer

SKU: GAOTek-MTI-102
GAOTek Moisture Analyzer is a high-quality instrument designed for precise and efficient moisture content determination.

GAOTek Colorimeter For Colour Measurement Cell Apartment Colorimeter Liquid Fruit Portable Colorimeter Color Meter

SKU: GAOTek-CTI-101
GAOTek Bluetooth Touch Screen Colorimeter D/8° LS173 is a portable multifunctional colorimeter with D/8° optical geometry design.

GAOTek electrical colorimeter instrument

SKU: GAOTek-CTI-102
GAOTek  A fabric whiteness and brightness test meter, also known as a color spectrophotometer or electrical colorimeter instrument, is a device used to measure the whiteness and brightness of fabrics and other materials.

GAO’s environmental sound level meters & calibrators have the following functions:

  • Measuring sound pressure levels: GAO's environmental sound level meters & calibrators are designed to measure the sound pressure level in decibels (db.) using a microphone. They can measure sound levels over a wide range of frequencies and amplitudes and can provide various types of weighting and filtering to account for the different ways that humans perceive sound.
  • Analyzing sound: GAO's environmental sound level meters & calibrators can analyze various sound parameters, including frequency, amplitude, and duration, and provide data on the statistical distribution of sound levels over time.
  • Calibrating sound level meters: Our environmental sound level meters & calibrators are used to calibrate sound level meters to ensure their accuracy. They generate a known sound level and frequency, which is used to adjust the sensitivity of the sound level meter.
  • Storing and logging data: Our environmental sound level meters & calibrators can store and log sound level measurements, allowing for later analysis and reporting of the data.
  • Displaying real-time data: GAO’s environmental sound level meters & calibrators have a real-time display that shows the current sound level, as well as other parameters, such as frequency weighting and time weighting.
  • Providing audio output: Our environmental sound level meters & calibrators have a built-in speaker or audio output jack, which can be used to listen to the sound being measured.

GAO’s environmental sound level meters & calibrators are rugged, versatile and precision measurement instruments. They comply with applicable industry standards such as ANSI (American National Standards Institute) S1.4-2014, IEC (Industrial Educational Cooperative) 61672-1:2013, ANSI S1.40-1984, IEC 60942:2017, and ISO 9614-1:1993.

GAO Tek’s environmental sound level meters & calibrators help our customers comply with relevant U.S. government regulations such as:

  • Occupational Safety and Health Administration (OSHA) regulations
  • National Institute for Occupational Safety and Health (NIOSH) regulations
  • Federal Aviation Administration (FAA) regulations
  • Environmental Protection Agency (EPA) regulations

GAO Tek’s environmental sound level meters & calibrators help our clients in complying with relevant Canadian government regulations such as:

  • Canadian Standards Association (CSA) regulations.
  • Health Canada regulations
  • Transport Canada regulations
  • Canadian Environmental Protection Act (CEPA) regulations

GAO’s environmental sound level meters & calibrators have the following applications:

  • Workplace safety: Our environmental sound level meters & calibrators are used to measure and monitor noise levels in workplaces to ensure compliance with safety regulations and to prevent hearing damage to workers.
  • Environmental noise monitoring: GAO’s environmental sound level meters & calibrators are used to monitor noise levels in the environment, such as in residential areas, near transportation routes, and around construction sites, to assess the impact of noise on the community.
  • Product testing: Our environmental sound level meters & calibrators are used in product testing to measure the sound output of various devices, such as home appliances, electronic gadgets, and automotive products.
  • Acoustics research: GAO’s environmental sound level meters & calibrators are used in acoustics research to measure sound levels and analyze sound characteristics, such as frequency, amplitude, and duration.
  • Music production: Our environmental sound level meters & calibrators are used in music production to ensure that sound levels are properly calibrated and to measure the levels of different sound components, such as bass, midrange, and treble.

Our environmental sound level meters & calibrators can be shipped overnight within the continental U.S. and Canada, and can be shipped globally.