Top 6 Best Classroom Noise Meter

Decibel Meter with AC Weighting TopTes TS-501B decibel meter uses a precise condenser microphone to capture sound. Its 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. MAXMIN Measurement, Date Hold The sound pressure level SPL meter has Max or Min measurement values to represent the maximumminimum highlow 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. Easy Use and Feature Packed The non-slip side design ensures that the portable noise meter fits easily in the hand. TS-501B SPL meter is a battery-operated noise meter that comes with three durable batteries and has an automatic power-off function to extend battery life. A low battery indicator will appear on the screen when the battery is low to remind the user to replace the battery in time. Whats in the Box1x TS-501B Decibel Meter, 3x AAA Batteries, 1x User Manual, 1x Carry Case. TopTes sound level meter with a 3-year Warranty and lifetime technical support. Please feel free to contact us if you have any questions or concerns.

Traffic light inspired visual signals provide easy-to-understand sound meter to indicate when room level noise is too loud. Decibel meter can be pre-set by teacher or adult to comfortable noise preference levels. Playful noise detector is great aid for classrooms, cafeterias, gyms, and much more. Sound detector is effective for students of all ages and abilities.

Large 11'' LED Display DANOPLUS decibel meter equipped with 11 inches screen and brightness adjustable, which allow to see the real-time decibel level , Temperature and Humidity clearly.. AUTO Alarm Icons the noise alarm face icon will automatically switch when the decibel at different level. Green IconLess than 60dBYellow Icon6075dBOrange Icon7585dBRed IconMore than 85dB. High AccuracyDecibel Level Measuring Range 30130dB , Accuracy 1.5dB Frequency response range 50Hz 8.5KHz Temperature Range 14140F Humidity Range 2085. User-FridendlyDANOPLUS sound meter powered with 2000mAh Lithium battery, 9.8 feet300 cm length USB cable for charging, don't worry the USB cable is not length enough.. Wide Applications This Large LED display Decibel Meter can be mounted on the wall or placed on the table, it's an ideal noise meter to test the sound level in Classroom, Studio room, traffic routes, factories, construction site, home, offices, etc..

Widely UsedThe noise meter is the use of environmental sound level instrument, can be widely used in such as factories, workshops, schools, residential, office areas, traffic roads, audio and other occasions of sound level measurement. Also suitable for noise engineering, product quality control, health,prevention and control.. Accurate MeasurementMeasuring Range30130dB Accuracy1.5dB94dB1KHzDisplay Resolution0.1dB. A Weighted Measurement A Weighted network automatic switching range display. FastSlow mode selectionPress the MODE key, you can convert the response speed of the noise meter, FAST fast, SLOW slow. MAXMIN MeasurementPress RANGE key to measure the maximum value of MAX and minimum value of MIN.A maximum duration of more than 3 seconds is recorded, with a normal test sampling rate of 0.5 seconds. The maximum error is 5The maximum value of this machine is the maximum value taken when the value is stable. Result HoldThe measurement result HOLD functionPress the HOLD key to hold the measured sound level value. Sound level OVER or UNDER indicatesIf the display displays UNDER or OVER characters, the sound level is lower than 30dB or higher than 130dB.. LCD with backlightAfter power-on, the backlight will automatically light up and turn off after 30 seconds. Press the backlight button to turn on the backlight.. Automatic SHUTDOWN3 minutes after the stop button, the meter will automatically shut down to save power.. Low power indicator When the battery voltage decreases to a certain extent, the battery symbol in the upper right corner of the display will light up. In this case, the battery should be replaced..

USEFUL TOOL IN YOUR WORK LIFE The JOSMAX digital dB 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.. Extra Large 11'' LED Display - Our digital sound level meter is decibel meter equipped with 11 inches screen and brightness adjustable, which allow to see the real-time decibel level , Temperature and Humidity clearly.. Large Capacity Lithium battery - This decibel meter powered with 2000mAh Lithium battery. It including a 9.9 FEET300CM Charging Cable which can be used all over your space with wall mountable, flat-bottomed for placing on tables.. 4 in 1 Multi-function - Decibel Meter Sound Level Reader Digital Clock Humidity Temperature. Adjustable Brightness, Press UP and DOWN buttons to adjust brightness FastSlow Button Press M button to choice of 3 sampling speeds Fast, Medium, Slow. Wide Applications - This Large LED display Decibel Meter can be mounted on the wall or placed on the table, it's an ideal noise meter to test the sound level in Classroom, Studio room, traffic routes, factories, construction site, home, offices, etc..

KEEP IT DOWN The AirKnight digital dB meter is just what the doctor ordered Now, you'll have exactly the authority and numeric proof you need to tell your kids, colleagues, classroom, band, or that noisy neighbor to take it down a notch.. EXTRA LARGE LCD DISPLAY WALL MOUNT Our digital sound level meter is equipped with a high-definition backlit LCD screen, so that you can effortlessly read it throughout the day at your convenience. Unlike handheld sound level meters, our premium wall-mountable dB meter is simple to set up and perfect for continuous monitoring.. VERSATILE LONG-LASTING Our classroom noise meter can be used all over your space. It's wall mountable with a 10ft power cord, flat-bottomed for placing on tables, and lasts for hours unplugged with a 2000MaH battery. Also, it can be a home theater SPL meter by the TV or in your garage workshop.. BONUS FEATURES We've included bonus HUMIDITY and TEMPERATURE readings in addition to bringing you the best decibel meter we could. And to top it off, the AirKnight sound level tester has 3 ADJUSTABLE SPEEDS 1. Fast 2. Medium 3. Slow to make reading it a breeze.. 2 YEAR WARRANTY AVAILABLE AirKnight is an American company that works tirelessly to ensure the overall quality of each portable decibel meter with rigorous testing. Simply put if you are not happy, our US-based team will replace your unit or give you your money back no questions asked.

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 14 mount thread for attachment to a stand, in terms of sound level measurement in different environments.. Power Saving Long-lasting Design LONVOX dB noise meter features an automatic power-off function to extend battery life. When the sound level meter is not in use for around ten minutes, it will power off automatically. The battery indicator shows the current battery level and works as a reminder for users to replace batteries in time. Three durable batteries are included, and battery life is around 14 hours with the backlight off and 8 hours with the backlight on respectively.. What You Get The LONVOX decibel meter kit includes 1 x Decibel Meter, 1 x Windscreen, 1 x User Manual, and 3 x 1.5V AAA Battery. Customer services are our top priority. If there are any concerns, please feel free to contact our professional technical support team for quick assistance. We are LONVOX, and we are always here at your service. Note The sound level meter is well calibrated with the standard of 94 db 1kHz at factory before shipment..

Large Screen LCD Display.

SOUND DECIBEL METER TYPE 2 - Digital sound level meter with calibration certificate - Reliable meter for measuring loudness, sound and noise levels from environmental and mechanical sources.. MEASUREMENT SOUND LEVEL - Operating range from 35dB 130dBdecibel - Applicable standard EN 61672 type2.. SOUND LEVEL METERS - Noise measurement device for application applications include Environmental and machines noise tester, warehouses, factories, office buildings, restaurants, schools, classrooms, library, hospitals, art galleries, stadiums, building security.. ACCURATE AND RELIABLE - 12 inch electret condenser microphone, Accuracy 1.8dB ref 94dB1KHz and 0.1dB resolution.. 100 MONEY BACK GUARANTEE 2 YEARS WARRANTY ensures this will quickly become your favorite no-risk purchase..

WIDE APPLICATIONS The decibel meter features a highly sensitive which is capable to measure noise levels from 30 to 130 dB with an accuracy of 1.5 dB, which can be used in noise engineering, quality control, health control and various environmental testing. It is widely applicable for personal, classrooms, restaurants, families, business, studies, industrial and etc.. ALARM FUNCTIONSBuzzing and flashing to remind you when the real time measurement is reach to the alarm level, and hold the data for 3s then back to normal mode. With the hanging hole, the sound level meter can installed on the wall to or free stand on the table.. LARGE LCD DISPLAYLarge LCD Digital Display with Backlight--Super large 9.6 inch LCD digital display with backlight that makes reading more clear and visually in dark areas.. EASY TO USEDB meter with the backlight feature short press the switch machine button to shut down, long press the switch machine button, automatic startup function the product will automatically turn on when connected to the power supply, long press the switch machine button, it will shut down.. ABOUT USSPL meter comes with a user manual which is easy to read. If you have any problem or suggestions about our sound meter please let us know it and we provide 724 hours technical support and customer service..

Wide ApplicationThis sound meter designed to meet the measurement requirement of sound quality control in various environment. Ideal for testing music recording, neighbor noise complaints, industrial settings, office settings, speech therapy more. the Decibel sound meter is an instrument used to measure the ambient sound level, such as sound level around factories, workshops, schools, residential, road, audio etc.. High Accuracy Measurement range 30-130dBA, accuracy 1.5dB, resolution 0.1dB, there will be a warning sign when the standard exceeds the standard. Larger legible LCD display with backlight, which can show the measurement quickly, clearly and easy to read.. User Friendly DesignSound meter features backlight alarm, large LCD display, maximum minimum noise monitor, data hold function, automanual power off, disable the auto off function, sound level meter can continuously measure noise value, battery indication.. Packing ListThis portable sound level meter is light and compact, easy to carry with you and operate with one-hand. And package included 1 x sound meter 3 X 1.5v batteries 1 x Wind resistant sponge ball 1 x Operation Manual.. Buy With ConfidenceThe decibel meter comes with a wind-proof sponge ball and user manual, which has been well calibrated before delivery. If you have any problem or suggestions about our decibel meter, feel free to contact with us. We provide 724 hours technical support and customer service..