Best Protmex in 2026

【Affordable 3-in-1 Multifunctional Sound Level Meter】The HT602A sound level meter is designed to the needs of most consumers, with the functions most users need while eliminating unnecessary functions. A three-in-one noise meter with sound level, temperature, and humidity measurement functions, which can meet most of the consumers' needs

【Extra Large LCD Screen & Backlight Function】The Digital Sound Level Meter has an extra large, clear LCD backlight display that can clearly show the measurement. Turn on the backlight to get the reading easily during the night and reduce the damage to the eyes

【Fast/Slow & A-Weighted Measurement Sound Meter】"FAST" mode response in 125 Milliseconds; "SLOW" mode response in 1 second. +/-1.5dB Accuracy with 0.1dB Resolution. Frequency ranges from 30Hz to 8KHz（The frequency cannot be displayed on the screen in a digital form）. The A-weighted simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise.

PT6508 Temperature meter is a new type of digital temperature and humidity meter, which is designed to combine the functions of a humidity meter, temperature meter, wet bulb temperature, and dew point temperature. And Dew point is a measure of how much water vapor is actually in the air.

Dual Display Humidity and Temperature with Accurate Measuring: Humidity range: 0% - 100%RH. Temperature range: -20℃(-4℉) - 60℃(140℉). Dew point Temperature :-50℃(-58℉) - 60℃(140℉). Wet Bulb Temperature:-20℃(-4℉) - 60℃(140℉).

Digital humidity and temperature meter are used for a high range of applications-HVAC, industry, agriculture, meteorology, medicine, daily life, building engineering, paranormal investigator, the wine cellar, machine room, and data storeroom.

This Digital Thermometer is a new type of digital temperature and humidity meter, which is designed to combine the functions of a humidity meter, temperature meter, wet bulb temperature, and dew point temperature. And Dew point is a measure of how much water vapor is actually in the air.

Dual Display Humidity and Temperature with Accurate Measuring: Humidity range: 0% - 100%RH. Temperature range: -20℃(-4℉) - 60℃(140℉). Dew point Temperature :-50℃(-58℉) - 60℃(140℉). Wet Bulb Temperature:-20℃(-4℉) - 60℃(140℉).

Digital humidity and temperature meter are used for a high range of applications-HVAC, industry, agriculture, meteorology, medicine, daily life, building engineering, paranormal investigator, the wine cellar, machine room, and data storeroom.

【ACCURATE AND SENSITIVE DB METER】 High-quality AD636 chip, low power consumption, professional measurement. It can respond within 0.5s, and quickly display accurate measurement results. Our sound level meter utilizes an electric condenser microphone to monitor sound levels from 30 to 130 decibels at an accuracy of +/-1.5 dB with a 0.1 dB resolution.

【FAST AND SLOW MEASUREMENT】 The decibel gauge has the function of converting the fast and slow response rates. The fast response rate uses a time constant of 0.125s/time for general environmental measurement. The slow response rate uses a 1s/time constant, which is used for environmental measurements with relatively large changes in noise levels. Also, have MAX, data hold, and under/over, dB/SONE unit selection functions. Note: Can not keep and generate a report directly from the device.

【A/C WEIGHTING NETWORK SELECTION】 A weighting model: Simulate the characteristics of human hearing, which is suitable for the detection of ambient noise; C weighting mode: Actual sound level, which is suitable for the sound pressure analysis of machine motors and machines. This uses to measure the sound level of sound equipment in Work and Life: such as factories, workshops, schools, residential, office areas, traffic roads, audio, and other occasions. Also applies to noise engineering, product quality control, health control, and so on.

【Affordable 3-in-1 Multifunctional Wind Speed Meter】Our HT605 anemometer is designed to the needs of the average consumer, with the functions most users need while eliminating unnecessary functions. And the digital handheld anemometer can monitor and record wind speed, wind temperature, and wind humidity, which can meet most of the consumers' needs

【Professional Accurate Air Velocity Meter】Protmex HT605 anemometer with 2 temperature sensors and 8 vanes, which makes the wind meter very sensitive to measure very low air flows that can accurately measure air speed in 5 units: m/s, km/h, ft/min, knots, ft

【Specification】The wind speed meter for measuring wind speed range 0.5~30 m/s(+/- 2% of readings); Wind temperature -20~60℃, -4℉-140℉(+/-0.2℃,32.56℉); Wind humidity 20%-80% RH(+/-0.2%RH)

【Professional Dual Display Thermometer Hygrometer】High-precision digital sensors from the US ensure accurate measurements, refresh every 0.4s, and Include a function to lock the current reading. Temperature range: -4~140℉(-20℃-60℃), Humidity range: 0~100%RH. Incloud 4 types of temperature modes: humidity, ambient temperature, wet bulb temperature, and dew point temperature. The dew point is a measure of how much water vapor is actually in the air

【Multifunctional Protmex Temperature Humidity Meter】°C and °F humidity meter; Temperature mode switcher: ambient, dew point, and wet bulb temperature; Datastore and read; Max hold and min hold functions can view the maximum and minimum values of the 99 previously stored data sets; Low battery indicator; 4 AAA batteries included

【Backlight LCD Display Temperature Humidity Gauge】Protmex temperature and humidity meter are equipped with a backlight LCD screen, which is appropriate for gathering the data at night. To save power, it will auto shutdown, if without any operation after 30 minutes

【Dual-Mode Detection】 The Protmex HT61 gas leak detector features dual-mode detection with both high and low sensitivity modes to quickly and accurately identify a wide range of combustible gases such as propane, methane, natural gas, coal gas, gasoline, LPG, LNG, and more.With a warm-up time of just 30-45 seconds, the gas detector enters high sensitivity mode (50-500 ppm) and can detect gas leaks in just 0.5 seconds, making it easy to identify the source of any potential gas leaks.

【Portable Design for Broad Applications 】 With a pen-style design, the HT61 Natural Gas Detector is easy to carry and use in various environments such as kitchen gas stoves, water heaters, natural gas heating systems, RV propane tanks, factory gas pipelines, and more. Keep more cash in your wallet by using this multi-functional gas detector to diagnose problems.

【Visual & Audible Alarm】 The HT61 gas sniffer features a continuous 75 dB alarm tone and LCD light that turns red to alert users of combustible gas detection. Its green backlit LCD display ensures clear visibility in low light conditions.

【Highly Accurate Air Flow Meter】This Protmex air velocity meter for Measuring Wind Speed Range: 0.8~40 m/s; Displays in 6 Units: m/s, km/h, ft/s, knots, mil/h, fp/m; Maximum show value: 9999; Sampling time: About 0.4s/time; 3 Air Volume Unit: CFM, CMM, CMS.

【Easy to Use Wind Gauge】Manual / Auto Power OFF optional, Backlight screen to let you see clearly even in dark. A 1x9V battery is included to get you started when you receive the wind speed meter.

【Switchable Reading】The Protmex air flow meter has functions of reading holding, maximum value, minimum value, etc. With a large-screen LCD and backlight, the multi-unit switching function.

【HIGHLY-RELIABLE DIGITAL TACHOMETER】 16 Bits high-speed Integrated chip, makes the handheld tachometer more stable and reliable. ABS double-layer made shell, secondary injection process, conforms to ergonomic design and is easy to operate and maintain.

【MULTIPLE FUNCTIONS】The contact tachometer will display rotation speeds from 50RPM---19999RPM. 5 unit selection: m/min, m/sec, ft/min, ft/Sec, in/min, and have 100 groups data logging, data hold, the average value functions.

【LCD BACKLIGHT】 Adopts with LCD backlight displays, can read data in the dark easily. With low battery indicator functions, when without any operation, the PT6208A tachometer gauge will automatically shut down within 30s helping to save power.

【Safe Universal Non-Contact Tachometer】PT6208B non-contact tachometer is very easy to use. The product is equipped with reflective tape, users do not need to switch between different rollers and settings. You can trim the tachometer reflective tape into any size according to your needs and different types of instruments so as to simplify your working process and save you time and energy.

【Tachometer with Larger Speed Range】 The digital non-contact tachometer displays rotation speeds from 50-99,999 RPM, while other tachometers can only measure 50-19,999 RPM. Also, the Protmex Tachometer has data storage and reading functions that can store up to 100 groups of data.

【Multiple Function Handheld Tachometer】This Protmex laser tachometer with the high-speed laser-aim operation and instant readings functions. Also, the measurement range is 50-99,999 RPM, accurate to +/- 0.03 percent. 5 units selection: m/min, m/sec, ft/min, ft/sec, in/min. 100 groups of data logging and LCD Backlight.

【HIGH-PRECISION DIGITAL HYGROMETER】 High-precision digital temperature and humidity meter, top-notch probe sensor. Short response time, strong anti-interference ability, and more accurate data collection, for a wide range of applications.

【MULTIPLE MEASUREMENT MODES】 4 modes of professional measurement: ambient temperature, relative humidity, wet bulb temperature, and dew point temperature. Choose what you want.

【MULTIPLE FUNCTIONS】 HT607 has a 2.26” large screen and features data hold, unit conversion, backlight, low battery indicator, auto shutdown, and maximum and minimum functions.

【HIGH ACCURACY ANEMOMETER】 High processing power, accurate and fast readings, ultra-low power consumption. Protmex Air Velocity Meter for Measuring Wind Speed Range: 0.4~40 m/s. Display in 6 Units: m/s, km/h, ft/s, knots, mil/h, fp/m. Maximum Show Value: 9999. Sampling Time: About 0.5s/time. 3 Air Volume Units: CFM, CMM, CMS.

【8 FAN BLADES AVIATION WING FAN】 8 fan blades greatly increase the touch of wind area and capture every breeze of wind. Low friction bearing technology, for more accurate measurement. Capable of displaying wind speed in current, MAX, and MIN helps you keep track of windstorms, and wind gust velocity during outdoor activities: fishing, drone flight, shooting kite flying, and sailing, great helper.

【MULTI FUNCTIONS】 PT625A air speed meter has MAX/MIN/AVG, auto power off, low battery indicator, air velocity measurement, airflow measurement, and air duct area setting functions. Meet what you need.

BUY WITH CONFIDENCE: Lectrofan is designed in the USA and backed by a 1,000 day satisfaction guarantee.

BEST FAN SOUND AND WHITE NOISE: GENERATOR: Provides ten fan sounds and ten ambient noise variations, including White noise, Pink noise and Brown noise

SLEEP BETTER: Helps block disruptive environmental noises so you or your little one can fall asleep with ease

[Masks Noise] Helps block out disruptive environmental noises. It can help improve sleep, focus, privacy, and relaxation. It can be used to create a peaceful sleeping environment, a disturbance-free work area, or to reduce the distracting effects of outside noises for a more relaxing environment. Helpful for any age at any time of day.

[22 Non-Looping Sounds] A total of 22 unique non-looping sounds. 10 fan sounds, 10 white noise variations (including pink and brown noise), and 2 ocean surf sounds.

[After Sale Service] Buy our products with confidence as they are designed in the USA & backed by a fantastic customer care team also in the USA. 1-year limited warranty.

【Affordable 3-in-1 Multifunctional Sound Level Meter】The HT602A sound level meter is designed to the needs of most consumers, with the functions most users need while eliminating unnecessary functions. A three-in-one noise meter with sound level, temperature, and humidity measurement functions, which can meet most of the consumers' needs

【Extra Large LCD Screen & Backlight Function】The Digital Sound Level Meter has an extra large, clear LCD backlight display that can clearly show the measurement. Turn on the backlight to get the reading easily during the night and reduce the damage to the eyes

【Fast/Slow & A-Weighted Measurement Sound Meter】"FAST" mode response in 125 Milliseconds; "SLOW" mode response in 1 second. +/-1.5dB Accuracy with 0.1dB Resolution. Frequency ranges from 30Hz to 8KHz（The frequency cannot be displayed on the screen in a digital form）. The A-weighted simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise.

【Accurate Measurement】 The measuring range of the sound level meter is 30dB to 130dB . Highly accurate with ± 2.0 dB. Real-time monitoring can give you accurate data on the sound level in the area.

【A/C Weighted Measurement】 The A weighted simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. The C weighted simulates the frequency properties of high-intensity noises of the human ear, which are suitable for the sound pressure analysis of machine motors and machines. More professional measurement methods provide users with a more perfect user experience.

【Fast and Slow Measurement】 The sound level meter has the function of converting the fast and slow response rate. The fast response rate uses a time constant of 0.125s/time for general environmental measurement. The slow response rate uses a 1s/time constant, which is used for environmental measurements with relatively large changes in noise levels.

NOW WITH REINFORCED USB CHARGING PORT: For even higher reliability.

STEREO READY: Buy two and pair them together for stereo Bluetooth operation.

BUY WITH CONFIDENCE: Designed in the USA and backed by great customer care team in the USA.

FEATURES - Automatic backlit display for easy visibility in dark situations. MAX/MIN hold feature for measuring absolute high/low peaks. +/- 1.5dBA with 0.1dBA resolution & measuring range of 30-130dBA. Automatic power off feature to save battery life (easily disablable). Sampling rate of 2x/Second. Up to 30 hours of continuous use on a single 9V battery.

EASY - Super easy and simple to use. All readings are measured in dBA, the most common decibel reading for most all applications, home and commercial. Simply turn on and get a reading! Large easy to read backlit display with a MAX/MIN function to know the MAX and MIN dB levels recorded by the meter.

AFFORDABLE - Our sound meters are designed with the general consumer in mind, made with the features required by most users while eliminating uneccessary features that only add to the cost that will not normally be used by most consumers. This way you will only be paying for what you really need in a sound meter, a decibel reading.

Measurement Range: 30 dB ≈ 130 dB; Measures in both dBA and dBC frequencies

Internal Storage Capacity of 4700 data points; Includes analysis software for Windows based PC’s

Accuracy Within +/- 1.5 dB; Adjustable Sample rate preset to 8x/second

【Decibel Meter with A/C Weighting】 TopTes TS-501B decibel meter uses a precise condenser microphone to capture sound. It’s equipped with A-weighting and C-weighting facilities that measure noise levels from 30 to 130 dB with an accuracy of ±1.5 dB, Frequency from 30 to 8,000Hz. Perfect for monitoring noise levels in communities, home theaters, audio systems, automobiles, workshops, schools, offices, factories

【2.25-inch LCD Screen with Backlight】 This TS-501B sound level meter is measured noise levels are expressed in decibels (dB) and displayed on the 2.25-inch LCD screen, it easy to read on a big display design. Long press the backlight button to turn on a backlight, making it easy to view even in damn light

【MAX/MIN Measurement, Date Hold】 The sound pressure level (SPL) meter has Max or Min measurement values to represent the maximum/minimum (high/low peak) value of the sound produced within a certain time, and the data hold function can freeze the current reading based on the sound measurement according to individual needs

【Decibel Meter with A/C Weighting】 TopTes TS-501B decibel meter uses a precise condenser microphone to capture sound. It’s equipped with A-weighting and C-weighting facilities that measure noise levels from 30 to 130 dB with an accuracy of ±1.5 dB, Frequency from 30 to 8,000Hz. Perfect for monitoring noise levels in communities, home theaters, audio systems, automobiles, workshops, schools, offices, factories

【2.25-inch LCD Screen with Backlight】 This TS-501B sound level meter is measured noise levels are expressed in decibels (dB) and displayed on the 2.25-inch LCD screen, it easy to read on a big display design. Long press the backlight button to turn on a backlight, making it easy to view even in damn light

【MAX/MIN Measurement, Date Hold】 The sound pressure level (SPL) meter has Max or Min measurement values to represent the maximum/minimum (high/low peak) value of the sound produced within a certain time, and the data hold function can freeze the current reading based on the sound measurement according to individual needs

USEFUL TOOL IN YOUR WORK & LIFE – This sound level meter is a great tool for checking, monitoring or controlling the sound level of any environments. It is widely applicable for personal, families, business, studies, industrial and etc.

WIDE RANGES & ACCURATE MEASUREMENT – It measures range from 30 – 130 dB with frequency range from 31.5 to 4Khz. Highly accurate with +/-1.5dB.

TIME WEIGHTING & FREQUENCY WEIGHTING – FAST(125mS) for time weighting. TYPE A for frequency weighting.

The sound level meter is an instrument used to real-time measure the sound level,such as sound level around factories,workshops,schools,residential,offices,road,audio etc (Battery not include), Can not keep and generate a report directly from the device

It also can be appropriate for noise engineering,product quality control,health prevention and treatment,etc.This audio noise measure device is a great tool for checking, monitoring or controlling and test the sound level of any environments. It is widely applicable for personal, families, business, studies, industrial and etc

With the measuring scope from 30 to 130dB and shifting function. Digital display,good anti-interference performance,power saving

【ACCURATE AND SENSITIVE DB METER】 High-quality AD636 chip, low power consumption, professional measurement. It can respond within 0.5s, and quickly display accurate measurement results. Our sound level meter utilizes an electric condenser microphone to monitor sound levels from 30 to 130 decibels at an accuracy of +/-1.5 dB with a 0.1 dB resolution.

【FAST AND SLOW MEASUREMENT】 The decibel gauge has the function of converting the fast and slow response rates. The fast response rate uses a time constant of 0.125s/time for general environmental measurement. The slow response rate uses a 1s/time constant, which is used for environmental measurements with relatively large changes in noise levels. Also, have MAX, data hold, and under/over, dB/SONE unit selection functions. Note: Can not keep and generate a report directly from the device.

【A/C WEIGHTING NETWORK SELECTION】 A weighting model: Simulate the characteristics of human hearing, which is suitable for the detection of ambient noise; C weighting mode: Actual sound level, which is suitable for the sound pressure analysis of machine motors and machines. This uses to measure the sound level of sound equipment in Work and Life: such as factories, workshops, schools, residential, office areas, traffic roads, audio, and other occasions. Also applies to noise engineering, product quality control, health control, and so on.

[Broad Measuring Range & High Precision] – LONVOX Decibel Meter features a highly sensitive and precise condenser microphone that is capable to measure noise levels from 30 to 130 dB with an accuracy of ±1.5 dB. The dB meter is A-weighted, which is ideal for the measurement of environmental noise, such as traffic noise, baby room noise, classroom noise, home theater noise, industrial noise, and so forth. The sampling rate is 2 times per second, which is ideal for dB tests in various contexts.

[Backlit LCD Display & Versatile Uses] – LONVOX sound level meter features a large backlit LCD display with 4 digits and 0.1 dB resolution, ensuring readouts are clearly visible, and easy operation in a low-light environment. When sound levels exceed the setup value, the backlit display will keep flashing as a visual alarm. Maximum or minimum dB level can be assessed by the sound meter. The data hold function can freeze the current readout of sound measurement based on personal needs.

[Ergonomic & Lightweight Design] – The sound pressure level (SPL) meter is light in weight and compact in size, which is easy to carry. The lightweight design allows long-time operation with less muscle fatigue. The compact design ensures the noise meter fits into your hand comfortably. The anti-slip and rubberized sides ensure the decibel meter is easy to hold. The decibel measurer has a 1/4" mount thread for attachment to a stand, in terms of sound level measurement in different environments.

❤【Widely Used】 A decibel meter is an instrument used to measure ambient sound levels. Decibel meter can be used in homes, factories, workshops, schools, residential areas, offices, streets, hotels, hospitals, laboratories, theaters and sound systems, the scope of application is very wide and an indispensable tool in life

❤【High Precision】 The measuring range of the sound level meter is 30dB to 130dB with fast response speed and stable and reliable performance. Sound level meter is a high-precision noise meter with an accuracy of ± 2.0 dB. Real-time monitoring can give you accurate data on the sound level in the area

❤【A / C Double-weighting Measurement】 The A-weighting simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. The C-weighting simulates the frequency properties of high-intensity noises of the human ear, which are suitable for the sound pressure analysis of machine motors and machines. More professional measurement methods provide users with a more perfect user experience

Large Screen LCD Display

SW-525B, 9.6'' LCD Display

Measurement range 30 ~ 130dB (dB),Accuracy: +1.5 dB

With data export and memory storage fuction,Sampling rate: 2 times/second

Frequency response: 31.5~8.5KHz

Measurement range: 30~130dBA

Calibration sound source: 94dB @ 1kHz

Sound db meter calibrated at factory, noise measurement range from 30 - 130dBA, accuracy: ±1.5dB, resolution: 0.1dB. Disable the automatic off function, sound meter can continuously measure noise value

Sound meter features backlight alarm, large LCD display, maximum/ minimum noise monitor, data hold function, auto/manual power off, disable the auto off function, sound level meter can continuously measure noise value, battery indication

Decibel meter is ideal for neighbors noise complaints, job-site and noise pollution monitoring