The TA650A Digital Sound Level Meter is a professional handheld noise measurement instrument, also known as a sound level meter, noise tester, decibel meter, sound meter, or noise monitoring device. Equipped with a high-sensitivity condenser microphone, it provides a wide measurement range of 30.0 to 130dB with 0.1dB resolution and ±1.5dB accuracy. The A-weighting measurement mode simulates human hearing characteristics to provide reliable environmental sound level evaluation. The digital noise meter supports FAST and SLOW time weighting modes, allowing accurate measurement of transient noises, machine operating noise, and stable environmental sound levels. With a windscreen microphone cover, data hold function, maximum/minimum value recording, backlit display, and automatic power-off function, the instrument delivers convenient operation for both indoor and outdoor noise inspections. The TA650A handheld sound level meter is widely used in industrial manufacturing, equipment maintenance, occupational health and safety, construction engineering, environmental monitoring, education, commercial facilities, and product quality testing. It is suitable for factory workshop noise measurement, production line noise control, machinery performance evaluation, urban environmental noise monitoring, classroom and hospital sound assessment, building acoustic inspection, and noise testing of electrical appliances, motors, fans, and other products. It is an ideal solution for professional noise control, engineering inspection, and daily field measurement applications.

The TA654 Series External Microphone Digital Sound Level Meter is a professional environmental noise tester, decibel meter, sound level meter, and industrial noise monitoring instrument designed for accurate and reliable sound measurement. Equipped with a high-sensitivity condenser microphone probe and A-weighting measurement mode, it measures ambient noise levels from 30 to 130dB with fast response and stable performance. Unlike traditional sound meters with built-in sensors, the TA654 Series features a 5-meter external microphone probe that allows flexible sensor installation away from the main unit. This design makes it especially suitable for challenging measurement environments such as high-temperature areas, confined spaces, elevated equipment, machinery areas, and locations where direct instrument placement is difficult. The series is widely used for factory workshop noise testing, industrial equipment noise analysis, construction site noise monitoring, road traffic noise measurement, school acoustic assessment, commercial building noise control, data center and machine room monitoring, environmental protection inspections, and occupational health and safety applications. Featuring a 4-digit high-brightness LED display and a 6-level LED noise indicator, the instrument provides clear readings even in large industrial environments. Users can set customized alarm thresholds and alarm durations. When the measured noise exceeds the preset limit, the device automatically activates audible and visual alarms for effective noise risk management. The TA654B model supports data logging, USB communication, and PC software management, enabling measurement recording, historical data review, trend analysis, and long-term noise monitoring. It is an ideal solution for industrial production management, environmental monitoring, workplace safety evaluation, and professional acoustic measurement. With accurate measurement capability, flexible remote microphone installation, multiple mounting options, and advanced data management functions, the TA654 Series external microphone sound level meter, noise detector, decibel tester, and environmental noise monitor provides a reliable solution for manufacturing, environmental protection, construction, public facilities, and research applications.

The TA653 Series Large Display Digital Sound Level Meter is a professional environmental noise measurement instrument, also known as a digital sound meter, decibel meter, noise detector, sound level tester, and environmental noise monitor. Equipped with a high-sensitivity condenser microphone and A-weighting measurement technology, it provides fast, accurate, and stable noise measurements from 30 to 130dB, delivering reliable data support for noise analysis, occupational health management, and environmental protection. Featuring a 4-digit high-definition LED display and a 6-level LED noise indicator, the TA653 Series allows clear reading even in factories, industrial workshops, construction sites, transportation areas, and other complex environments. Users can customize alarm thresholds and alarm duration according to different applications. When noise levels exceed the preset limit, the meter automatically activates visual and audible alarms, helping operators quickly identify excessive noise conditions and improve workplace safety management. The TA653B digital sound level meter is equipped with large-capacity data logging capability, allowing automatic recording of noise measurement data. Through USB communication and PC software management, users can upload data, review historical records, perform trend analysis, and conduct long-term noise monitoring. The instrument supports both wall-mounted and tripod installation, making it suitable for fixed monitoring stations and portable field measurements. With accurate measurement performance, large display visibility, intelligent alarm functions, and convenient data management features, the TA653 Series Digital Sound Level Meter is widely used in industrial manufacturing, machinery inspection, factory noise monitoring, occupational health and safety management, schools, hospitals, office buildings, commercial facilities, transportation environments, construction sites, environmental monitoring projects, and public noise control applications. It provides an efficient and reliable solution for professional noise measurement and workplace sound level management.

The TA656 Series Digital Sound Level Meter, also known as a Noise Meter, Decibel Meter, dB Meter, Sound Pressure Level Meter, Environmental Noise Tester, or Noise Measurement Instrument, is a professional handheld device designed for accurate environmental noise measurement in industrial, commercial, construction, occupational health, and daily noise assessment applications. Equipped with a high-sensitivity 1/2-inch condenser microphone and A-weighting measurement mode, the TA656 series simulates the human ear’s response to sound frequencies and provides reliable noise measurements from 30.0 to 130dB with a frequency response range of 31.5Hz to 8kHz. It supports both FAST and SLOW time weighting modes, allowing users to measure rapidly changing noise signals as well as stable continuous sound environments. The TA656A Digital Sound Level Meter is designed for general noise inspection and field measurement, while the TA656B Bluetooth Sound Level Meter integrates wireless Bluetooth data transmission, allowing users to connect with mobile devices for convenient data viewing, recording, and management, making it ideal for professional monitoring applications requiring efficient data collection. With its compact handheld design, intuitive operation, backlit display, and stable measurement performance, the TA656 Series Noise Meter is widely used in factory workshops, manufacturing plants, machinery maintenance, environmental protection monitoring, construction site inspection, building acceptance testing, office buildings, schools, hospitals, transportation noise analysis, equipment rooms, residential areas, and home audio environment testing. It provides an effective solution for noise control, workplace safety management, environmental assessment, and acoustic measurement.

The TA654 Series External Microphone Digital Sound Level Meter is a professional environmental noise tester, decibel meter, sound level meter, and industrial noise monitoring instrument designed for accurate and reliable sound measurement. Equipped with a high-sensitivity condenser microphone probe and A-weighting measurement mode, it measures ambient noise levels from 30 to 130dB with fast response and stable performance. Unlike traditional sound meters with built-in sensors, the TA654 Series features a 5-meter external microphone probe that allows flexible sensor installation away from the main unit. This design makes it especially suitable for challenging measurement environments such as high-temperature areas, confined spaces, elevated equipment, machinery areas, and locations where direct instrument placement is difficult. The series is widely used for factory workshop noise testing, industrial equipment noise analysis, construction site noise monitoring, road traffic noise measurement, school acoustic assessment, commercial building noise control, data center and machine room monitoring, environmental protection inspections, and occupational health and safety applications. Featuring a 4-digit high-brightness LED display and a 6-level LED noise indicator, the instrument provides clear readings even in large industrial environments. Users can set customized alarm thresholds and alarm durations. When the measured noise exceeds the preset limit, the device automatically activates audible and visual alarms for effective noise risk management. The TA654B model supports data logging, USB communication, and PC software management, enabling measurement recording, historical data review, trend analysis, and long-term noise monitoring. It is an ideal solution for industrial production management, environmental monitoring, workplace safety evaluation, and professional acoustic measurement. With accurate measurement capability, flexible remote microphone installation, multiple mounting options, and advanced data management functions, the TA654 Series external microphone sound level meter, noise detector, decibel tester, and environmental noise monitor provides a reliable solution for manufacturing, environmental protection, construction, public facilities, and research applications.

The TA652 Series Digital Sound Level Meter is a professional noise measurement instrument, also known as a Sound Level Meter, Noise Meter, Decibel Meter, or Noise Tester, designed for environmental noise monitoring, industrial noise testing, and acoustic evaluation applications. Equipped with a high-sensitivity condenser microphone, the instrument provides a wide measurement range and supports A-weighting and C-weighting selection, along with Fast and Slow time weighting modes, enabling accurate measurement of sound pressure levels in various environments and noise conditions. The TA652 Series integrates multiple practical functions including real-time temperature monitoring, data hold, maximum/minimum value recording, average measurement, data logging, and high/low noise alarm settings. The TA652B model features a USB communication interface, allowing connection with a computer for real-time data acquisition, historical data management, noise trend curve generation, and measurement report export. With its compact handheld design, intuitive operation, and reliable measurement performance, the TA652 Series Digital Sound Level Meter is widely used in environmental protection monitoring, industrial manufacturing, machinery maintenance, construction sites, occupational health and safety, transportation noise monitoring, schools, hospitals, offices, shopping malls, cinemas, recording studios, laboratories, and acoustic research applications. It is an ideal solution for engineers and professionals who require accurate noise measurement, sound environment assessment, compliance testing, and long-term noise monitoring.

The TA653 Series Large Display Digital Sound Level Meter is a professional environmental noise measurement instrument, also known as a digital sound meter, decibel meter, noise detector, sound level tester, and environmental noise monitor. Equipped with a high-sensitivity condenser microphone and A-weighting measurement technology, it provides fast, accurate, and stable noise measurements from 30 to 130dB, delivering reliable data support for noise analysis, occupational health management, and environmental protection. Featuring a 4-digit high-definition LED display and a 6-level LED noise indicator, the TA653 Series allows clear reading even in factories, industrial workshops, construction sites, transportation areas, and other complex environments. Users can customize alarm thresholds and alarm duration according to different applications. When noise levels exceed the preset limit, the meter automatically activates visual and audible alarms, helping operators quickly identify excessive noise conditions and improve workplace safety management. The TA653B digital sound level meter is equipped with large-capacity data logging capability, allowing automatic recording of noise measurement data. Through USB communication and PC software management, users can upload data, review historical records, perform trend analysis, and conduct long-term noise monitoring. The instrument supports both wall-mounted and tripod installation, making it suitable for fixed monitoring stations and portable field measurements. With accurate measurement performance, large display visibility, intelligent alarm functions, and convenient data management features, the TA653 Series Digital Sound Level Meter is widely used in industrial manufacturing, machinery inspection, factory noise monitoring, occupational health and safety management, schools, hospitals, office buildings, commercial facilities, transportation environments, construction sites, environmental monitoring projects, and public noise control applications. It provides an efficient and reliable solution for professional noise measurement and workplace sound level management.

The TA657A is a compact portable digital sound level meter, noise tester, decibel meter, and sound measurement instrument designed for fast and convenient environmental noise monitoring. It adopts a high-sensitivity miniature condenser microphone sensor combined with a precision signal amplification circuit and intelligent microprocessor technology to accurately capture, process, and display sound level data. Featuring A-weighted measurement, the instrument closely matches human hearing perception and provides reliable noise level evaluation in daily environments. With a measuring range of 30.0–130dB, the TA657A is suitable for detecting ambient noise, evaluating sound conditions, and monitoring noise changes in various application scenarios. The device provides clear LED digital display readings and supports data hold and maximum value lock functions, allowing users to easily capture temporary noise peaks and record important measurement results. Its slim pen-style design, lightweight body of approximately 37g, built-in rechargeable lithium battery, and Type-C charging interface make it convenient for portable field inspections. The TA657A digital noise meter is widely used in environmental protection inspections, property management, industrial workshops, machinery noise checks, construction site monitoring, office noise evaluation, school classroom testing, residential noise assessment, entertainment venue sound control, and audio equipment testing. It is an ideal solution for professionals and general users requiring quick and reliable noise measurement.

The TA651B Digital Sound Level Meter is a professional portable noise measurement instrument designed for accurate environmental sound level testing and decibel measurement. Equipped with a high-sensitivity 1/2-inch condenser microphone, this digital noise meter provides reliable dBA measurements for various acoustic environments. The sound level tester supports FAST and SLOW time weighting modes, allowing users to capture both rapidly changing and stable noise signals. It integrates multiple functions including noise measurement, ambient temperature and humidity monitoring, high/low alarm settings, data hold, maximum/minimum/average value recording, analog bar display, alarm backlight indication and low battery warning. The TA651B noise meter is widely used in industrial manufacturing, factory workshops, machinery maintenance, construction sites, building inspection, environmental monitoring, property management, residential communities, offices, classrooms, commercial facilities, cinemas, entertainment venues, server rooms and quality inspection laboratories. With its compact design, easy operation and reliable measurement performance, the TA651B digital sound level meter provides an effective solution for noise assessment, workplace safety management, equipment noise analysis and noise reduction evaluation.

The TA656 Series Digital Sound Level Meter, also known as a Noise Meter, Decibel Meter, dB Meter, Sound Pressure Level Meter, Environmental Noise Tester, or Noise Measurement Instrument, is a professional handheld device designed for accurate environmental noise measurement in industrial, commercial, construction, occupational health, and daily noise assessment applications. Equipped with a high-sensitivity 1/2-inch condenser microphone and A-weighting measurement mode, the TA656 series simulates the human ear’s response to sound frequencies and provides reliable noise measurements from 30.0 to 130dB with a frequency response range of 31.5Hz to 8kHz. It supports both FAST and SLOW time weighting modes, allowing users to measure rapidly changing noise signals as well as stable continuous sound environments. The TA656A Digital Sound Level Meter is designed for general noise inspection and field measurement, while the TA656B Bluetooth Sound Level Meter integrates wireless Bluetooth data transmission, allowing users to connect with mobile devices for convenient data viewing, recording, and management, making it ideal for professional monitoring applications requiring efficient data collection. With its compact handheld design, intuitive operation, backlit display, and stable measurement performance, the TA656 Series Noise Meter is widely used in factory workshops, manufacturing plants, machinery maintenance, environmental protection monitoring, construction site inspection, building acceptance testing, office buildings, schools, hospitals, transportation noise analysis, equipment rooms, residential areas, and home audio environment testing. It provides an effective solution for noise control, workplace safety management, environmental assessment, and acoustic measurement.

The TA652 Series Digital Sound Level Meter is a professional noise measurement instrument, also known as a Sound Level Meter, Noise Meter, Decibel Meter, or Noise Tester, designed for environmental noise monitoring, industrial noise testing, and acoustic evaluation applications. Equipped with a high-sensitivity condenser microphone, the instrument provides a wide measurement range and supports A-weighting and C-weighting selection, along with Fast and Slow time weighting modes, enabling accurate measurement of sound pressure levels in various environments and noise conditions. The TA652 Series integrates multiple practical functions including real-time temperature monitoring, data hold, maximum/minimum value recording, average measurement, data logging, and high/low noise alarm settings. The TA652B model features a USB communication interface, allowing connection with a computer for real-time data acquisition, historical data management, noise trend curve generation, and measurement report export. With its compact handheld design, intuitive operation, and reliable measurement performance, the TA652 Series Digital Sound Level Meter is widely used in environmental protection monitoring, industrial manufacturing, machinery maintenance, construction sites, occupational health and safety, transportation noise monitoring, schools, hospitals, offices, shopping malls, cinemas, recording studios, laboratories, and acoustic research applications. It is an ideal solution for engineers and professionals who require accurate noise measurement, sound environment assessment, compliance testing, and long-term noise monitoring.