Top Ultrasonic Level Meter

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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COCLPP Sonic Dog Barking Control Device,Ultrasonic Dog Bark Deterrent,Mini Dog Repellent 26 FT Range,Security Anti Barking Device Dogs

  • ►ULTRASONIC BARK CONTROL: 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 26 feet, and people couldn't hear the sonic (recommended starting mode for indoors is level 1, increase if needed)..
  • ►SUITABLE FOR VARIOUS SIZES: This stop dog barking deterrent 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 STOP BARKING DEVICE: This ultrasonic dog bark deterrent 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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COCLPP Sonic Dog Barking Control Device,Ultrasonic Dog Bark Deterrent,Mini Dog Repellent 50 FT Range,Security Anti Barking Device Dogs

  • ►ULTRASONIC BARK CONTROL: 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 stop dog barking deterrent 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 STOP BARKING DEVICE: This ultrasonic dog bark deterrent 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 m....
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Protmex Sound Level Meter, Dual Mode db Meter Decibel Meter Noise Level Meter 30-130dB Measure with Fast/Slow Selection, Backlight, Max and Data Hold Function, A/C Mode PT6708(Batteries Included)

  • 【ACCURATE AND SENSITIVE SOUND METER】The Protmex SPL meter complies with International Committee IEC651 Type 2 and American National Standard ANSI S1.4 Type2. It has a 0.5s response time, can measure noise level, and quickly display accurate measurement results.Measuring Range 30~130dB.
  • +/-1.5dB Accuracy with 0.1dB Resolution. Frequency ranges from 30Hz to 8KHz..
  • 【MAX/MIN/HOLD FUNCTION DECIBEL METER】The Protmex sound level meter with a data logger can record the current maximum or minimum decibel value.
  • the decibel reader and recorder can freeze the reading on the display without worrying that the reading is too fast to record..
  • 【DIGITAL LCD DISPLAY & BACKLIGHT FUNCTION 】The Digital Sound Level Meter has a large clear LCD backlight display that can show the measurement clearly. Turn on the backlight to get the reading easily during the night and reduce the damage to the eyes..
  • 【WIDELY APPLICATION SOUND DECIBEL METER】The decibel meter can be used in many environments and is also suitable for noise engineering, product quality control, health prevention, and treatment, etc. This audio noise measurement equipment is an excellent tool to check, monitor or control and test any environmental sound level. Widely applicable to individuals, famili....
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Mini Motion/Daylight Ceiling Sensor-DIM Kit

  • Combines passive infrared and ultrasonic technology providing the most accurate motion ceiling sensor possible. The ultrasonic sensor can defect fine movements such as typing, and flipping book pages.
  • The ceiling sensor is designed to be mounted about 8-10 feet off the ground. The implementation of two sensing technologies in each unit helps to avoid false triggering while still accurately sensing motion.
  • 6 different trigger modes that use a combination of both PIR and ultrasonic sensor. Has adjustable time delays via dip switch (5 sec - 30 min).
  • Multi-level Coverage, up to 1, 600 ft² PIR coverage and up to 1000 ft² ultrasonic coverage.
  • UL/ CUL Listed. Operating temperature (32 – 131°F).
  • California Title 20 and 24 compliant. 120/277 VAC, 1/4HP-120VAC.
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2023 Solar Ultrasonic in Repellent Defender Rat, Squirrel, Deer, Raccoon, Skunk, Rabbit, Mole, Dog, Cat, Waterproof with Motion Detector

  • Repels Burrowing Animals in A Humane Way - Animal Repellent Ultrasonic Outdoor Solar Powered repels unwanted animals by emitting ultrasonic sound and flashing when the PIR sensor detects a motion. It would make an uncomfortable circumstance where the animals are unbearable to stay and move to other places in 2-4 weeks..
  • Wide Motion-Activated Sensor to Drive Away the Animal Automatically - This ultrasonic cat repellent outdoor is 110degree infrared sensor angle, max detection range is 25- 30feet. The detection distance reduces with smaller animal sizes. Make sure to load enough repellents so as to cover up all the protected area. Note: Birds at ground level may be easily detected, but birds flying are more challenging to detect..
  • Solar Powered or USB Charged with Rechargeable Batteries - This Solar raccoon repellent deer repellent marten repellent ultrasonic can be charged via solar panel or USB cord (included), it includes 3xAA 800mAH NiMH batteries (included and replaceable), which can last up to 5-7days after fully charged. USB charge method can make sure you get charged during continues raining and cloudy days..
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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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