Top Ultrasonic Level Meter Reviews

Yard Sentinel Outdoor Ultrasonic Animal Repeller with Strobe Light, Motion Sensor, Adjustable Volume, Waterproof, Extension Cord, Powerful Repel Cat, Squirrel, Raccoon, Skunk, Rabbit, Fox, Deer, Etc.

  • ☀【2021 UPDATe TECHNOLOGY】: The dual ultrasonic and electromagnetic chips of our ultra sonic pest repell-ers emit frequencies ultrasonic interfering the auditory and nerve system of the pest, making them feel uneasy and uncomfortable so that pests, mice, rodents and mosquitoes away from your home..
  • ☀【SAFE FOR HUMAN & PETS】: The ultrasonic frequency of the electronic mosquito repellent is inaudible to humans and pets, environmental-friendly,The rodent repellent ultrasonic plug-in does not eliminate insects, but removes them from the covered area without using chemicals or smoke, which is an ideal choice for anyone who does not want to clean up for a long time..
  • ☀【WIDE EFFECTIVE COVERAGE】 This rodent repellent indoor ultrasonic is suitable for 1600 square feet of area, It's widely used in homes, warehouses, offices, gardens, hotels, etc. We recommend you to install one for each room because the ultrasound cannot penetrate walls and solid objects. But for areas with serious Vermin, we suggest install 2 or more pest repeller. They aren't effective for other rooms if you just install mosquito repeller at the room..
  • ☀【Easy To Use】Simply plug in our ultrasonic pest repeller, It works when you notice the hazy glow. This machine shoul....
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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

  • [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 ....
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Ultrasonic Pest Repeller 6 Packs Electronic Plug in Indoor Sonic Repellent pest Control for Bugs Roaches Insects Mice Spiders Mosquitoes

  • Latest Ultrasonic Technology with Upgraded Chip: Adopting the latest ultrasonic chip to impact mice, rats, spiders, fleas, cockroaches, ant, flies, mosquitoes on their hearing and nervous system to make them unpleasant and uncomfortable, which will drive them away from your home and make them don't dare to come close to your home anymore. What's more, this pest repellent won't kill the pests..
  • FRIENDLY AND ECONOMICAL - This electronic pest repeller is friendly for human and our lovely pets like dogs and cats. Odorless, noiseless and no radiation.Pest control uses sound waves to drive pest and rats away without killing them leaving nasty dead insects or rodents behind for you to deal with..
  • Easy to Use and Install: Simply plug in our ultrasonic pest repeller, It works when you notice the hazy glow. This machine should be installed 10-30inch away from the floor, and no other obstacles around within 1 meter..
  • Coverage Area: The maximum coverage of our ultrasonic pest repeller is up to 1200 square meters. Due to the solid walls that will weaken the effect of the ultrasonic wave, we suggest using 1 unit per average-sized room with a pest problem. Additional units will be required in larger areas..
  • Multipurpose&Energy-Saving: Costs less than $10 a year in elec....
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SpaRoom Piccolo Essential Oil Diffuser for Small Rooms with 7 Different Light Settings

  • Ultrasonic Aromatherapy Diffuser: Featuring a sleek, spiraling design, this Ultrasonic Diffuser produces calming, aromatic mist that covers small rooms up to 150 sq ft of space with its 100 mL water tank capacity.
  • Create a Relaxing Atmosphere: Transform your room with just a few drops of essential oil: Features 7 light modes to choose from.
  • Choose between rotating color, freeze color, and off light modes.
  • Safe and Easy to Use: Includes an automatic shut off for safety and a 1.5-meter USB cord for easy setup.
  • Provides continuous mist for up to 8 hours and intermittently for up to 16 hours.
  • All Things Aromatherapy: We're the world's leading expert in all things Aromatherapy and we carry a full line of ultrasonic and reed diffusers, essential oils, blended fragrances, air freshener sprays, bath bombs and hand sanitizers.
  • Smell Good, Feel Great, Live Better: Powered by essential oils, botanicals and premium ingredients, we make it simple for anyone to have a luxurious and customized experience, making your space, your spa.
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Hu-Friedy UPSW Symmetry IQ Spanner Wrench, 8-5 mm (Pack of 2)

  • 1. Ultrasonic cleaner has a professional ultrasonic cleaner with 40kHz ultrasonic, which thoroughly cleans and removes stains on jewelry. Ultrasound will not damage valuables.
  • 2. One-button start the ultrasonic cleaning machine, anyone can use it easily, if the jewelry, glasses or watch are too dirty. If you need to wait a few minutes, the effect of using detergent is better.
  • 3. Portable ultrasonic cleaner, multi-level cleaning mode, capacity of 400ml, can clean many items, 21.5x9.5x8.6cm size allows you to put the glasses cleaner into the bag, and then carry it with you.
  • 4. Ultrasonic cleaner is waterproof and dustproof-omni-directional double-layer structure design + no hard contact design of the sink to achieve noise reduction effect, while running efficiently, the machine is more stable and less noise.
  • 5. Jewelry cleaning ultrasonic equipment to clean jewelry, necklaces, rings, earrings, glasses, bracelets, dentures, toothbrushes, razor blades, metal straps, waterproof watches.
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2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects

  • HC-SR04 Ultrasonic Sensor Distance Module:using IO trigger for at least 10us high level signal..
  • The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back..
  • If the signal back,through high level,time of high output IO duration is the time from sending ultrasonic to returning.Test distance = (high level time velocity of sound (340M/S)/2..
  • Resolution:0.3 cm,Module precision:blind spots (2cm)-SUPER CLOSE..
  • The module performance is stable,measure distance accurately.SRF05,SRF02 ultrasonic ranging module comparable.This module is compatible with GH-311 anti-theft module..
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Ultrasonic Pest Repeller (6 Packs) 2022 Newest Electronic Bug Repellent Plug in, Mosquito Repellent Indoor, Electronic Pest Control for Ant, Mosquito, Mice, Spider, Roach, Rat, Flea, Fly

  • Latest Ultrasonic Technology with Upgraded Chip: Adopting the latest ultrasonic chip to impact mice, rats, spiders, fleas, cockroaches, ant, flies, mosquitoes on their hearing and nervous system to make them unpleasant and uncomfortable, which will drive them away from your home and make them don't dare to come close to your home anymore. What's more, this pest repellent won't kill the pests..
  • FRIENDLY AND ECONOMICAL - This electronic pest repeller is friendly for human and our lovely pets like dogs and cats. Odorless, noiseless and no radiation.Pest control uses sound waves to drive pest and rats away without killing them leaving nasty dead insects or rodents behind for you to deal with..
  • Easy to Use and Install: Simply plug in our ultrasonic pest repeller, It works when you notice the hazy glow. This machine should be installed 10-30inch away from the floor, and no other obstacles around within 1 meter..
  • Coverage Area: The maximum coverage of our ultrasonic pest repeller is up to 1200 square meters. Due to the solid walls that will weaken the effect of the ultrasonic wave, we suggest using 1 unit per average-sized room with a pest problem. Additional units will be required in larger areas..
  • Multipurpose&Energy-Saving: Costs less than $10 a year in elec....
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AOICRIE 5pcs HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight for Ultrasonic Proximity Sensors Motion Detectors (5PCS)

  • Test mode :HC-SR04 ultrasonic sensor can send eight 40 kHz and detect whether there is any pulse signal back.If it back, a high level signal will be outputed by IO, and the duration of the signal is the time from sending ultrasonic to returning..
  • HC-SR04 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal..
  • Quiescent current: less than 2mA, Test distance = ((Duration of high level)*(Sonic :340m/s))/2..
  • The detection zone: 0.78~196 in/ (2cm~500cm).
  • High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15°.
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Anti Barking Device, Rechargeable Bark Control Device with Effective 4 Frequency Levels and Adjustable Sensitivity, Mini Automatic Ultrasonic Dog Barking Control Devices for Most Dogs (Black)

  • 【】The rcxdalksdcilp mini bark control uses ultrasonic technology that allows humans to hear a slight sound but is not affected by the sound. When the sound starts, the dog will notice the sound and other family members or neighbors will not be worried about being affected. Ultrasound does not impose substantial penalties on the dog..
  • 【 】The built-in pickup can detect the dog's barking, and the dog barking control device will automatically emit ultrasonic waves that the dog can hear, effectively training your dog to stop excessive and noisy barking. After the dog stops, the ultrasonic barking control device automatically stops emitting ultrasonic waves..
  • 【 】The barking control device ultrasonic has a choice of 4 sensitivities. The environment can be set up with the best suitable gear, the induction distance can be selected, adjust the sensitivity to achieve. Level 1 is the least sensitive and level 4 is the most sensitive..
  • 【 】The rechargeable anti barking device ultrasonic has 4 frequencies to choose from, Each dog could choose the suitable frequency (15KHZ-30KHZ), and if the dog was not sensitive to ....
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Portable Household Ultrasonic Cleaner 2.0 Version, Professional Mini Immersible Ultrasonic Cleaning Machine, Jewelry Cleaner for Cleaning Fruit, Vegetable, Dentures, Dishes, Clothes, Glasses, Jewelry

  • 【Newest Technology】 The 2.0 version "ultrasonic cleaner" updates the main board to solve the problem that the previous generation product automatically shut down due to overheating after 5-10 minutes of operation. Ideal for cleaning jewelry, glass ,watch, dentures, fruit and vegetables, underwear, vinyl record, disk, razors, baby bottle and toys, tableware, cosmetic brush...etc..
  • 【Microscopic Level Cleaning】 The newest washing technology utilizes ultrasonic technology to remove tough stains from clothes and effectively sanitize fruits/vegetables from chemicals and pesticides residues at the cellular level which result in a deeper clean..
  • 【Premium-Grade Material】 The 360 degrees of portable ultrasonic cleaner is made from aluminum alloy as the surface of the cleaner is coated with insulation oxidizing sand blasting, thereby, greatly improving the service life of product..
  • 【Easy to Use】 After connecting the power supply, simply place the Ultrasonic Washing Device into a bowl /tank/ sink /bucket (anything can hold water ) with 3L-5 L of water. Then press the switch button and it will automaticall....
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VIIMI Anti Barking Device, Rechargeable Bark Control Device with Effective 4 Frequency Levels and Adjustable Sensitivity, Mini Automatic Ultrasonic Dog Barking Control Devices for Most Dogs (Black)

  • 【 】The ASNXBXW built-in pickup can detect the dog's barking, and the dog barking control device will automatically emit ultrasonic waves that the dog can hear, effectively training your dog to stop excessive and noisy barking. After the dog stops, the ultrasonic barking control device automatically stops emitting ultrasonic waves..
  • 【 】The rechargeable anti barking device ultrasonic has 4 frequencies to choose from, Each dog could choose the suitable frequency (15KHZ-30KHZ), and if the dog was not sensitive to this by using it for a long time, please change the different frequency better. The dog device is suitable for dogs between 6 months and 8 years of age, except for dogs with hearing impairments or under 6 months and special large dogs..
  • 【】The mini bark control uses ultrasonic technology that allows humans to hear a slight sound but is not affected by the sound. When the sound starts, the dog will notice the sound and other family members or neighbors will not be worried about being affected. Ultrasound does not impose substantial penalties on the dog..
  • 【 】The barking control devices shell UV resistance, not easy to fade. It can be easily hung on trees, indoor, and outdoor walls, or fences to stop any dog barking (an Ultrasonic an....
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Anti Barking Device, 2021 Upgrade Ultrasonic Bark Deterrents, Bark Control Device for Outdoor, Up to 50 Feet Range (Black)

  • ►ULTRASONIC BARK CONTROL:Leegoligo Latest upgrade version, Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog.
  • More effective than old version deterrents and waterproof..
  • ►SAFE AND EFFECTIVE: Contain sensitive microphone isolates, ultrasonic controller for bark with effective distance of 50 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed)..
  • ►SUITABLE FOR VARIOUS SIZES: This mini bark control deterrents uses high-frequency sound that works to reduce excessive bark of dogs within hearing range.
  • For dogs 6 months and older UP TO 50 FOOT RANGE. Without need of traditional collar is safe for the most varieties of dogs..
  • ►THE SMALLEST ANTI BARKING DEVICE: This ultrasonic anti barking controller comes with a well-designed mini shape, can be hung on a tree, indoor, outdoor wall or fence post to stop any dogs barking(within range).
  • Four buttons for operation, including a test button, an off button and 3 level buttons..
  • ►ENERGY SAVING: Operates 9-Volt batteries (not included),average battery life 5-6 months depending on use..
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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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