Reviews Sound Level Meter With Alarm

Decibel Meter Sound Level Reader 30-130dB A Hand-held Sound Noise Meter with Backlight Alarm Digital Noise Meter Decibel Monitoring Tester Calibrated Audio Noise Volume Measuring Instrument

  • 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.
  • Portable sound level meter is light and compact design, easy to carry with you and operate with one-hand.
  • Noise meter comes with 3 pcs AAA batteries, a wind-proof sponge ball and user manual. The decibel meter has been adjusted properly, it can be used immediately after the battery being installed..
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Decibel Meter, LONVOX Digital Sound Level Meter with 30 to 130 dBA Measuring Range, Backlit LCD Display, MAX/MIN Noise Measurement, Data Hold, SPL Meter for Classroom, Noisy Neighbor, Office, Factory

  • ...eighted, 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..
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Fdit Wall Mounted Decibel Meter, Digital Sound Level Meter Noise Meter Tester Measurement Range 30-130dB, Accuracy 1.5dB with LCD Display

  • Stay away from noise- Take care of health, no matter where you are, including baby room, office, classroom factory. A industrial decibel meter helps to let your people know that any level above 85 db is detrimental to their health. You have to be responsible for their health who you care..
  • Easily wall mounting- With backside screws, it can be easily wall mounted. Super large 9.6 inch LCD digital display with backlight that makes reading more clear and visually in dark areas..
  • Alarm function, bring precise life- You can set the low db alarm and high db alarm range for noise sound alarm system through PC. When the measuring value is over the alarm value, the meter will make a sound beeping and lock the data with blinking for 2 minutes.
  • Data storage and derive- The instrument will automatically store the data every 2 seconds, and the stored value is the largest noise value in 2s, which can last for one year.
  • PC control conveniently- With CD and USB cable delivered, it can connect computer with USB cable, you can down-load records, collect samples and print chart and date,etc.
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Wintact EMF Meter, Smart Digital Electromagnetic Fields Radiation Detector Meter, Rechargeable, Handheld Portable with Temperature, LCD Back-Light, Sound-Light Alarm for Home Paranormal Ghost Hunting

  • Multiple Measurement Modes: This EMF detector can test Electric Field(1V/m~1999V/m) and Magnetic Field(0.01~99.99µT) strength at the same time and Ambient Temperature (32℉~122℉/0℃~50℃)..
  • Sound-Light Alarm: If the test result exceeds a safe level (40V/m or 0.4µT), the meter will emit a beep alarm, turn the screen red, and start flashing an indicator to alert you to high levels of radiation..
  • Protect Yourself from Radiation Threat: You can measure the home appliances, tv, pc, fridge, microwave oven, etc and the bar graph and Good/Bad prompt will help you easily assess the level of radiation..
  • Feature Rich: This meter has a lot of features, Easy to read LCD backlight, Average or peak value reading, One key reading freeze, Return to zero, Switch (℃/ ℉), Low battery indication, Buzzer switch, Auto off..
  • What You Get: 1 x EMF meter(Note: This meter does not measure RF Radiation). , 1 x Lithium battery charging cable, 1 x user manual, 1 years warranty, and a friendly 24/7 professional customer service team..
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Protmex Sound Level Meter, 30-130dBA 30Hz-8KHz Decibel Meter with Large LCD Screen, Temperature and Humidity Measuring, A Weighting Mode, MAX/MIN, Fast/Slow, Data Hold, Backlight, Auto-Off Functions

  • 【Affordable 3-in-1 Multifunctional Sound Level Meter】Our HT602A sound level meter is designed to the needs of the average consumer, 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 a 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 Time Weighted Selection 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.
  • 【Max/Min/Data Hold Function Decibel Meter】The Protmex sound level meter is easy to know the MAX and MIN dB levels recorded by the meter.
  • the decibel reader and recorder can freeze the reading on the display without worrying that the reading is too fast to record.
  • 【Wide Application Sound Decibel Meter】The decibel meter can be used in many environments and is also suitable for noise engineering, product quality control, health preventio....
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Extech Personal Noise Dosimeter and USB Interface with Sound Calibrator

  • Calibrates and verifies Sound Level Meter operation.
  • For use on Sound Level Meters with 0.5″ or 1.0″ microphones.
  • Measures frequency weighted noise exposure and peak (C, Z) sound level.
  • Datalog’s up to 999,999 readings when used as a sound level meter with sampling times between 1 second and 24 hours.
  • Sound level mode: displays sound level, min/max, time-averaged sound level (Leq), peak, and sound exposure level (SEL).
  • Adjustable Criterion Level, Exchange Rate and Threshold.
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Burglar Deterrent

  • Motion Activated - Sensitive motion sensor will detect any movement within 5-8 meter and activate the sound light alarm, sound arise and strobe light on. Come with motion detector,not only for people but also animals..
  • Audible & Visible from Far Away - the Risoon solar lamp siren horn sound is 110db, can be heard from 1000m away, and the flash strobe lighting can be seen from 1000m..
  • Solar Charging & Long Working Hours - After fully charged under sunlight, the sound alarm can work for about 30 days. No worry run out of power. Unique 4 modes: ①24 hours with flash&alarm ②24 hours with flash only③ in the night with flash&alarm ④in the night with flash only.
  • Easy Installation & Multi-Application: Just hang solar strobe alarm where get enough sunlight. The wireless motion sensor strobe light is suitable for the safety of residential house, farm, villas, hotels, markets, boarding house and other places where requiring security alarm..
  • [GUARANTEE] We provide 100% money back guarantee if you are not completely satisfied with our solar powered sound and....
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KKmeter EMF Meter Handheld Digital LCD Electromagnetic Field Detector for Home Office

  • Two Uses of One EMF Meter: Testing the electromagnetic field Radiation and the temperature at the same time. The EMF Meter can get Measurement of Home Appliances: TV, AC, Induction cooker, rice cooker, refrigerator, computer, electrical wires, etc..
  • Safe Range: 0-0.4T or 0-4mG.when the radiation data exceeds the safe range,The EMF meter will flash red and alert the user via an alarm sound.
  • Multifunction: Data Hold & Max Measurement,sound-light alarm,backlight,manual/auto shut off,/ measurement, safe value setting, selection of MG or T, mutation function.
  • Package List: 1 x Electromagnetic Radiation Detector (EMF Meter),1 xUser Manual (English + French + German + Italy + Spanish).
  • Carefree service24 months warranty and technical support. Our after-sales technical engineers provide answers to all-day online questions ,just contact us via buyer messages, we will make it at first time.
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Decibel Meter, CURCONSA SPL Meter, Portable Sound Level Meter, 30dB to 130dB, LCD Display, can be Used in Homes, Factories and Streets（Blue）

  • ❤【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.
  • ❤【Fast and Slow Response Rate Conversion】 The spl meter has the function of converting the fast and slow response rate. The fast response rate uses a time constant of 125 mil....
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AUTOAND Car GPS & OBD Smart Gauge HUD Head Up Display, Digital Car Inclinometer Level Tilt Gauge Speedometer MPH Compass for All Vehicles

  • [4 IN 1 ALARM SYSTEM] With car pitch angle alarm, roll angle alarm, overspeed alarm and fatigue driving Alarm. Precisely show vehicle pitch angle and roll angle changes with clear notification, then one or both angle is over 40 degree the alarm alerts. When you exceed the speed limit, the alarm will also sound to ensure your safety, and the car owner can set the speed alarm value. Fatigue driving alarm after 4 hours of driving..
  • [GOOD TRAVEL PARTNER] With a high-precision dual-channel satellite GPS signal module, the dual signal is more stable, which ensures that you will not get lost during the journey. You can set the speed unit (MPH or KM/H), coolant temperature unit (°C or °F) and mileage unit (M or KM) by yourself. If you like to self-driving tour with your family and friends, we recommended that you bring this reliable partner with you..
  • [PLUG AND PLAY] Equipped with a power cable and sticky tape. Park the car on the horizontal road, paste the back glue at the bottom of the equipment and fix it anywhere inside the car for easy observation. Connect the power supply, adjust the slope meter to the level, wait for the satellite GPS signal to be received, and then drive until the data show normal. We will provide a two-year after-sal....
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