Sort by:

Price

Stores

Shopping Places

United States

Showing 1 to 10 of 345 products
Decibel Meter,Meterk Digital Sound Level Meter, Range 30-130dB(A) Noise Volume Measuring Instrument Self-Calibrated Decibel Monitoring Tester(Battery -

Decibel Meter,Meterk Digital Sound Level Meter, Range 30-130dB(A) Noise Volume Measuring Instrument Self-Calibrated Decibel Monitoring Tester(Battery Included)

Specifications: Brand Name: Meterk Color: Black Material: ABS Plastic Measuring Range: 30-130dBA Accuracy: ±1.5dB Resolution: 0.1dB Frequency Response: 31.5Hz to 8KHz Frequency Weighting Features: A Weighting Display: LCD Display Over Range: LCD Show OVER Power Supply: 3 * 1.5V AAA Batteries(Included) Operation Environment: 0-40℃ 10-80%RH Storage Environment: -10-60℃ 0-90%RH Item Size: 56 * 36 * 177mm / 2.20 * 1.42 * 6.97in Item Weight: 122g / 4.32oz (Batteries Included) Package Size: 22 * 12 * 4.2cm / 8.66 * 4.72 * 1.65in Package Weight: 216g / 7.63oz Package List: 1 * Sound Level Meter 1 * Sponge Ball 1 * User Manual (English + French + German + Italy + Spanish)
LEGO Mindstorms Ev3 Ultrasonic -

LEGO Mindstorms Ev3 Ultrasonic Sensor

The ultrasonic sensor has real-world applications, such as security, robotics, and many other distance sensing devices. Use this EV3 sensor to experiment, learn, or create your new prototypes.
VLIKE LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter Noise Measurement Measuring 30 dB to 130 dB MAX Data Hold Function A/C -

VLIKE LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter Noise Measurement Measuring 30 dB to 130 dB MAX Data Hold Function A/C Mode

This sound level meter complies with IEC651 type 2 and ANSI S1.4 type 2. It could be called as DB reader, phonometer or SPL meter,accumulate sound level value data for noise dosimeter, can be used as a noise monitor testing sound intensity to reduce Noise pollution,avoiding the risk to hearing damage.But it is account for the relative loudness perceived by the human ear.The value will fluctuate according to the different distance sound source. Specifications: Sound pressure accuracy: ±1.5 dB (sound pressure standard, 94 dB @ 1KHz). Sound pressure accuracy: ±5 dB (sound pressure standard, 94 dB @ 8KHz). Sound pressure frequency response: 30Hz - 8KHz. Dynamic range of sound pressure: 50 dB (for each measurement gear level). Sound pressure measurement scope: 30-130 dBA, 35-130 dBC. Sound pressure frequency weighting characteristics: A and C characteristics. Dynamic characteristic of sound pressure: FAST 125ms, SLOW 1sec Maximum (MAX)locking function:Yes Microphone: polarized capacitive microphone. Digital display: 4-digit, resolution: 0.1 dB, sampling rate: 2 times/sec. Analog bar display: Each analog bar represents 1 dB, sampling rate is 20 times/sec. Measurement gear level: 30-80 dB, 40-90 dB, 50-100 dB, 60¡ª110 dB, 70¡ª120 dB, 80-130 dB, 6 gear levels in total. Aut...
BAFX Products - Decibel Meter/Sound Level Reader - -

BAFX Products - Decibel Meter/Sound Level Reader - W/Battery!

The BAFX Products Decibel Meter, the quality and features you require at a fraction of the price!Our Decibel Meter is compact and easy to use while providing you accurate readings in a greater range than similar inexpensive sound meters on the market!Our sound meter can read between 30dBA~130dBa, while reducing the effects of wind noise to produce more accurate readings. The BAFX Products sound meter provides readings within +/-1.5dBA providing some of the most accurate results!Perfect for monitoring noise levels in factories, offices, theaters and audio systems.The meter will automatically power off after approximately 11 minutes of use and MAX Hold Function will hold the highest reading until a higher reading is picked up. Included with the Decibel Meter is ONE, 9V Battery to start you off which will provide you about 30 hours of use.Other great feature are: Sampling rate of 2X/second, Automatic back light display, Low battery indication, Frequency response range of 31.5Hz ~ 8.5KHzPLEASE keep in mind that this meter measures in dBA to account for the relative loudness perceived by the human ear. This is the most commonly used dB measuring frequency."A" weighted decibel measuring means that values of sounds at lower frequencies are reduced, for more information contact BAFX Prod...
RISEPRO Decibel Meter, Digital Sound Level Meter 30 - 130 dB Audio Noise Measure Device Dual Ranges -

RISEPRO Decibel Meter, Digital Sound Level Meter 30 - 130 dB Audio Noise Measure Device Dual Ranges HT-80A

Brief Description: RISEPRO® decibel meter is a portable, easy to use and handy instrument for sound quality measuring, monitoring and controlling in office, home, school, traffic, audio system and construction site. The meter has wide range of applications such as noise pollution studies, research and other industrial use. Specifications: Sound Level: 30 ~ 130 dB LCD display: 1/2 Inch and 3 Digits Response Time : 0.5 second Resolution: 0.1 dB Accuracy: ±1.5 Db Data Hold, Max, Min and Auto Power Off Frequency Range: 31.5 Hz ~ 4 kHz Frequency Weighting: A Time Weighting: FAST (125mS) Microphone: 1/2 inch electret condenser microphone Power Supply: one 9V battery Power Life: about 50 hours (alkaline battery) Operating Temperature: 0 ~ 40 ˚C (32 ~ 104 ˚F) Operating Humidity: 10 ~ 90 % R.H. Storage Temperature: -10 ~ 60 ˚C (14 ~ 140 ˚F) Storage Humidity: 10 ~ 70 % R.H. Dimensions: approx. 170 (L) x 58 (W) x 35 (H) mm (6.7 x 2.3 x 1.4 inch) Weight: approx. 107 g One Set Included 1 x Sound Level Meter 1 x Sponge Ball / Windscreen 1 x Instruction Manual 1 x Carrying Pouch Premium color gift box
VLIKE Noise Sound Level Meter, Digital Decibel Meter with LCD, Audio Measurement 30 dB to 130 dB, DB Meter with A and C Frequency Weighting for Sound Level -

VLIKE Noise Sound Level Meter, Digital Decibel Meter with LCD, Audio Measurement 30 dB to 130 dB, DB Meter with A and C Frequency Weighting for Sound Level Testing

This decibel meter is applicable for the measurement of noise engineering, quality control, health prevention, treatment and various environmental noises.But it is account for the relative loudness perceived by the human ear.The value will fluctuate according to the different distance sound source. Specifications: Sound pressure accuracy: ±1.5 dB (sound pressure standard, 94 dB @ 1KHz). Sound pressure accuracy: ±5 dB (sound pressure standard, 94 dB @ 8KHz). Sound pressure frequency response: 30Hz - 8KHz. Dynamic range of sound pressure: 50 dB (for each measurement gear level). Sound pressure measurement scope: 30-130 dBA, 35-130 dBC. Sound pressure frequency weighting characteristics: A and C characteristics. Dynamic characteristic of sound pressure: FAST 125ms, SLOW 1sec Microphone: polarized capacitive microphone. Digital display: 4-digit, resolution: 0.1 dB, sampling rate: 2 times/sec. Analog bar display: Each analog bar represents 1 dB, sampling rate is 20 times/sec. Measurement gear level: 30-80 dB, 40-90 dB, 50-100 dB, 60-110 dB, 70-120 dB, 80-130 dB, 6 gear levels in total. Below or above limit prompt: indicated with "UNDER"± or "OVER" display. Power supply:4 AAA batteries 1.5V Package list: 1 * Sound Level Meter(Batteries not include) 1 * User Manual ...
Digital Decibel Meter | Sound Level Tester | Noise dB Loudness Reader | -

Digital Decibel Meter | Sound Level Tester | Noise dB Loudness Reader | Momenturn

The Momenturn Decibel Sound Meter allows for quick and easy sound level testing thanks to its automatic range selection. The readings are measured in dBA, which gives accurate measurements of sound levels that are naturally perceived by the human ear. The human ear hears medium pitched sounds, but is less sensitive to low and high-pitched sounds. This ensures you get the most practical sound readings across the widest situations. Specifications: Measuring Range: 30 - 130dBA Accuracy: ±1.5dBA Frequency Response: 31.5HZ - 8KHZ Frequency Weighting: A-Weighted Resolution: 0.1dB Sampling Frequency: 2 times/sec Working Temperature:0-40°C/32-104 ℉ Working Humidity: 10-80%RH Power Source: 3 x 1.5V AAA batteries (included) Dimensions: 6x1.9x1.15in/150x49x30mm Weight: 5.37oz (152g) Mic: 1/2" Electret Condenser Microphoneter (Yellow) Satisfaction Guaranteed - Buy with confidence. Click the "Add To Cart" button above & get yours today!
URPRO Decibel Meter, Digital Sound Level Meter 30-130 dB Audio Noise Measure Device Dual Ranges -

URPRO Decibel Meter, Digital Sound Level Meter 30-130 dB Audio Noise Measure Device Dual Ranges HT-90A

Brief Description: RISEPRO(R) is a portable, easy to use and handy instrument for sound quality measuring, monitoring and controlling in office, home, school, traffic, audio system and construction site. The meter has wide range of applications such as noise pollution studies, research and other industrial use. Specifications: Range: 30 ~ 130 dB Liquid crystal display: 3 Digits and a half Response Time : 0.5 second Resolution: 0.1 dB Precision: ±1.5 dB (under the reference condition of 94dB and 114dB, 1KHz) Data Hold, Max, Min and Auto Power Off (About 16 minutes with no key operation) Frequency Range: 31.5 Hz ~ 8 kHz Sound Level: A-Sound level weight Microphone: 1/2 inch polarization capacitance microphone Backlit display Power Supply: one 9V battery Power Life: about 50 hours (alkaline battery) Operating Temperature: 0 ~ 50 ˚C Operating Humidity: 10 ~ 80 % R.H. Storage Temperature: -10 ~ 60 ˚C Storage Humidity: 10 ~ 75 % R.H. Dimensions: 206.2 x 56 x 45.7mm Weight: approx. 110 g (without battery) One Set Included 1 x Sound Level Meter 1 x Sponge Ball / Windscreen 1 x Instruction Manual 1 x 9V battery Color gift box
Dog Barking Alarm Motion Detector,Pir Wireless Human Body Walking Sensor Doorbell Door Security Alert System Device for Home or Office Burglar Deterrent (Pack of -

Dog Barking Alarm Motion Detector,Pir Wireless Human Body Walking Sensor Doorbell Door Security Alert System Device for Home or Office Burglar Deterrent (Pack of 1)

HOMESAFE ELECTRONIC WIRELESS REMOTE MOTION SENSOR WITH DOG BARKING SOUND DOORBELL Applications: Detect visitors/intruders,Monitor the Mailbox,Garage,Front door, Driveway, Kids coming and going Features: 1.Advanced anti-interference tech, 256 digital code for setting, no interference with neighbours doorbells. 2.Up to 300m Wireless working distance in open area, 100m for indoor use. 3.High quality push button transmitter, adopts advanced digital and fuzzy logical control technology; digital temperature compensation, anti-irradiation and anti-RFI; 4.dog barking sound,dingdong Melody chimes with volume adjustable; moreover, you can set up different tunes 5.IP44 Waterproof alarm transmitter for outdoor installation; Push button transmitter with sticker, convenient to adjust detect place as need. 6.3 working modes selectable: 1)Flash only. White flashing indicator, perfect for quiet enviornment or Deaf or hard of hearing use. 2)sounds +flash 3)sounds +flash+night lighting 7.Easy installation,Powered by battery or DC 5V, very convenient and simple to use. 8.Support 1 or more Transmitters and Receivers works as one group. Specifications: Transmitter 1.Power source:3XAAA (not included) 2.Transmitter Frequency:433mhz 3.Size:80x55x40mm Receiver 1.Power source:AAX3 or DC5V (not includ...
wikomo Ultrasonic Animal Repeller, Solar Powered Waterproof Outdoor with Ultrasonic Sound, Motion Sensor and Flashing Light for Cats, Dogs, Squirrels, Moles, -

wikomo Ultrasonic Animal Repeller, Solar Powered Waterproof Outdoor with Ultrasonic Sound, Motion Sensor and Flashing Light for Cats, Dogs, Squirrels, Moles, Rats

Effective Solar Powered Animal Repeller to keep outdoor animals away. When the animals enter the range of the repeller, the ultrasound works immediately. High-pitched ultrasonic frequencies are above human hearing, but very annoying to cats, raccoons, skunks, mice and other animals. You Want-A simple and affordable way of repelling small animals and pest from your yard, garden or property. You Need-Reliable technology that can protect your property from animals while you're not looking. You Desire-Including a solar charging capability, and a USB charging cable just in case. SET UP Button "Sensitivity" (Left): You can adjust the item sensitivity and distance. Button"Frequency"position as below: --0: OFF 1. 13.5KHZ-19.5KHZ to repel animals such as mice, rats, dogs, foxes, martens etc. 2. 19.5KHZ-24.5KHZ to repel animals such as cats, raccoons, badgers, skunks, rabbit etc. 3. 24.5KHZ-45.5KHZ to repel animals such as bats, birds, Squirrel, rodents etc. 4. Alarm and strong white LED flashing light to scare wild animals who aren't afraid of ultrasonic wave. 5. Function together mode 1-model 2 -model 3, and has strong LED flashing. This is the best work mode as it will cover all the functions of the device. Package Includes: 1 X Animal Repeller 1 X USB Cable 1 X Mounting Stick 1 X Man...
Ultrasonic Pest Repeller, Solar Powered Waterproof Outdoor Animal Repeller with Ultrasonic Sound,Motion Sensor and Flashing Light pest Repeller for Cats, Dogs, Squirrels, Moles, - Ultrasonic Sound Detector
Ultrasonic Sound Detector

Ultrasonic Pest Repeller, Solar Powered Waterproof Outdoor Animal Repeller with Ultrasonic Sound,Motion Sensor and Flashing Light pest Repeller for Cats, Dogs, Squirrels, Moles, Rats

Ultrasonic Pest Repeller, Solar Powered Waterproof Outdoor Animal Repeller with Ultrasonic Sound,Motion Sensor and Flashing Light pest Repeller for Cats, Dogs, Squirrels, Moles, - Ultrasonic Sound Detector
Ultrasonic Sound Detector

Ultrasonic Pest Repeller, Solar Powered Waterproof Outdoor Animal Repeller with Ultrasonic Sound,Motion Sensor and Flashing Light pest Repeller for Cats, Dogs, Squirrels, Moles, Rats

Plastic Rectangular Ultrasonic Sensor, 508mm Detecting Distance, 100mA Max. - Ultrasonic Sound Detector
Ultrasonic Sound Detector

Plastic Rectangular Ultrasonic Sensor, 508mm Detecting Distance, 100mA Max. Load

Plastic Rectangular Ultrasonic Sensor, 508mm Detecting Distance, 40mA Max. - Ultrasonic Sound Detector
Ultrasonic Sound Detector

Plastic Rectangular Ultrasonic Sensor, 508mm Detecting Distance, 40mA Max. Load

Ultrasonic Fingerprint Sensors A Clear and Concise - Ultrasonic Sound Detector
Ultrasonic Sound Detector

Ultrasonic Fingerprint Sensors A Clear and Concise Reference

Ultrasonic Sound Detector: find, shop, buy, compare



Find the cheapest prices on Ultrasonic Sound Detector from certified, secure, trusted merchants, stores, and retailers at aDealaLot.com. Compare the cheapest prices from across the internet in seconds and save time and money. Shopping the internet for the best prices has never been so easy. Comparison shop trusted, certified merchants on secure websites from across the internet, and always find the best price. Find the total price from unbiased shopping merchants and read reviews on products and merchants.



ULTRASONIC SOUND + PIEZOELECTRIC TRANSDUCER= HEARING VOICES

Ultrasonic Sound Detector

In this video I describe how V2K is achieved to make a targeted individual appear to "hear voices." This video contains very important information if you are targeted with this form of torture.

Tags: Targeted Individual,TI,RFID Microchips,Stalking...