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 402 results

Decibel Meter Environmental Monitoring Station – GAOTek

SKU: GAOTek-SLMC-102
Decibel Meter Environmental Monitoring Station is a complex and precise device for precise measurement of sound. The instrument has a durable structure and can be used normally for several years under proper operation conditions.

GAOTek Sound Level Analyzer

SKU: GAOTek-ASLM-340
GAOTek sound level analyzer is a Sound level tester, Sound Dosimeter, Noise level meter, Programmable Sound Level Meter, Integrating Sound Level Meter, Noise Dose Meter, Sound Analyzer.

GAOTek Sound Level Meter

SKU: GAOTek-PSLM-219
This sound level meter has microphone of 1/2 in, measuring range of 30 dBA to 130 dBA, accuracy of 1.5 dB and frequency range of 31.5 Hz to 8.5 KHz.

GAOTek Accurate Sound Noise Level Meter Calibrator

SKU: GAOTek-MFSLC-114
GAOTek accurate sound noise level meter calibrator is needed to verify their accuracy before and after measurements.

GAOTek Acoustic Sound Level Meters

SKU: GAOTek-ASLM-201
GAOTek sound level meter filter acoustic instrument can send the measured noise data through WIFI, and the receiving device can be smart phone, tablet computer, notebook, desktop computer, PC or mobile phone software can perform total value analysis, statistics, spectrum analysis, it has passed evaluation test.

GAOTek Advanced Sonometer

SKU: GAOTek-RST-105
This Advanced sound level meter has 1/1 & 1/3 Octave analysis, multiple calculations, and extensive data storage capabilities for accurate sound analysis.

GAOTek Alarm Digital Sound Level Meter

SKU: GAOTek-RST-104
This Sound level Meter has 128 × 64-inch OLED display, 32 kHz A/D bits, and 14 °F to 122 °F working temperature for accurate sound measurements.

GAOTek Analog Professional Sound Level Meter

SKU: GAOTek-PSLM-201
GAOTek analog professional sound level meters are designed for noise project, quality control, illness prevention & cure and all kinds of environmental sounds measurements.

GAOTek Arsine Gas Meter

SKU: GAOTek-ASLM-141
This Arsine Gas Meter has a sound, light, vibration alarm mode, high speed data transmission by usb and available for data downloading printing.

GAOTek Audio Professional Sound Level Meter

SKU: GAOTek-PSLM-208
This Audio Professional Sound Level Meter has a test range of 35 Db to 130 dB, the frequency response of 31.5 Hz to 8 kHz and of white color.

GAOTek Auto Level

SKU: GAOTek-ASLM-142
This Auto Level has a 79 in ( 0.2 m) min focus distance, OEM ODM customized support, stadia ratio 100 and 0.0006 mi (1 km) double runievelling

GAOTek Auto Range Digital Sound Level Calibrator

SKU: GAOTek-MFSLC-115
This Auto Range Digital Sound Level Calibrator has dynamic range of 30 dB to 130 dB, frequency response of 50 dB and accuracy of ±1.5 dB at 1 KHz.

GAOTek Bluetooth Digital Sound Level Meter

SKU: GAOTek-RTSLM-104
This Bluetooth digital sound level meter has relative humidity of 25% to 90%, power supply of 5 V and display of 240 × 320 color screen.

GAOTek Bluetooth Digital Sound Level Meter

SKU: GAOTek-PSLM-203
This Bluetooth Digital Sound Level Meter has frequency range of Low range is (20 to 132) dBA, high range is (30 to 142) dBA and power supply of 5 V.

GAOTek BT Connector Professional Sound Level Meter

SKU: GAOTek-PSLM-207
GAOTek BT connector professional sound level meter is durable for a very broad field of application such as machines, traffic, vehicle, architecture acoustics, environment noise and electric noise, ship, office environment, workshop, flight, and other noise.

GAOTek Calibration Device

SKU: GAOTek-MFSLC-106
This Calibration Device has direct voltage of 0 V to 30 V, frequency of 0 Hz to 10000 Hz, direct current of 0 mA to 24 mA and resistance of 200 Ω.

GAOTek Calibration Sound Level

SKU: GAOTek-ASLM-122
This calibration sound level has a normal SPL 94 dB, 114 dB, operation normal frequency 1000 Hz + 1% and operating current 10 mA4.

GAOTek Calibrator Noise Velocimeter

SKU: GAOTek-RST-108
This Calibrator Noise Velocimeter is Compliant with GB/T15173, ANSI S1.40 CLASS2, IEC942 standards, offering 94dB & 114dB sound levels with 0.3dB accuracy.

GAOTek color analysis machine colorimeter portable color test instrument manufacturer

SKU: GAOTek-CTI-108
GAOTek color analysis machine colorimeter 3nh is a portable color analysis machine manufactured by 3nh.

GAOTek Compact Sound Level Analyzer

SKU: GAOTek-SLMDL-222
This Compact Sound Level Analyzer has micro-SD card of 32 G, frequency range of 10 Hz to 20 kHz and maximum peak C sound level of 70 dB to 133 dB.

GAOTek Compact Sound Level Meter

SKU: GAOTek-SLMDL-201
This Compact Sound Level Meter has frequency response of 10 Hz to 20 kHz, resolution of 24 Bits and peak C range of 47 dB to 139 dB.

GAOTek Compact Sound Level Tester

SKU: GAOTek-SLMDL-211
This Compact Sound Level Tester has a light range of 0 lux to 50000 lux, anem resolution of 0.1 m/s and air flow resolution of 0.1 CMM to 1 CMM.

GAOTek DC Winding Resistance Ohmmeter

SKU: GAOTek-HSM-218
This DC Winding Resistance Ohmmeter with resistance range 10.0 uΩ to 50.00 KΩ, exceptional accuracy 0.2%, and test current of 1 mA, 10 mA.

GaoTek Decibel Meter

SKU: GAOTek-ASLM-200
This decibel meter has a frequency 20 Hz to 12.5 kHz, battery 4 × LR 6 power supply attery 4 × LR 6 ,and measurement range 30 to 130 dBA.

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.