Reviews Digital Sound Tester

Vertlley Heavy Duty 3-48V Test Light Digital LCD Backlight Display Circuit Tester with 140 Inch Extended Spring Wire Car Truck Vehicles Automotive Low Voltage Backlit with Voltmeter Stainless Probe

  • ... and circuits. This is also a test light with voltmeter..
  • 【HIGH-QUALITY AND HEAVY DUTY】The automotive test light is made of cellulose acetate. It is tougher and not easily broken than ordinary materials. This automotive circuit tester is larger and heavier than ordinary test lights on the market..
  • 【ACCURATE LCD DIGITAL DISPLAY】The 3-48 volt test light is equipped with a digital backlit LCD. The digital light tester can resolution to 0.1V voltage reading on blue/white back light LCD digital display, with high accuracy to 0.1V. This digital voltmeter is very convenient for checking or maintaining vehicles at night or in dark places. (Two back light colors are shipped randomly).
  • 【MORE CONVENIENT TO USE & CARRY】The 3-48v test light uses high-quality 140-inch (3.6m) PU spring wire with a large alligator clip. It is convenient to operate this tester light with one hand. This car fuse tester light is small in size and easy to carry around..
  • 【DURABLE INSULATION】This circuit tester is equipped with pure copper clips and insulating sleeves, which can better clamp the body and screws. Insulated operation can avoid electric shock..
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3-48V Digital LCD Display Circuit Tester with 140 Inch Extended Spring Wire Car Truck Vehicles Low Voltage Tester with Testing Stainless Probe and Ground Clamp

  • Digital LED automotive circuit tester widely used in checking various vehicles electrical circuits, such as automotive....
  • 3-48V digital LCD display circuit tester, multifunctional household test pen, you can use it to test circuit（locating shorts grounds and open....
  • 3-48V circuit tester made of high quality electronic materials, LED reading display is clear and accurate, 140 inch extension PU spring wire with....
  • Heavy duty 3-48V digital LCD circuit tester, low voltage circuit tester, 12 volt digital test light, 12 volt test light, 12 volt test lights, 12 volt....
  • 100% satisfactory service, if you have any questions, please feel free to contact us by email!We will solve it for you in the first time..
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Sper Scientific 860040 Turbidity Meter

  • ✅High Accuracy&One-Button Lock Reading Function - With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response.One-button lock reading function helps lock reading even if the tester is taken out of the sample!.
  • ✅Automatic Calibration - The digital ph meter for water uses a 3-point AUTOMATIC calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18 to ensure the accuracy of your measurements..
  • ✅Automatic Temperature Compensation - No longer need to pay attention to the temperature of testing liquid, Allprettyall ph tester digital can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature..
  • ✅Wide Application-Allprettyall water quality tester designed in pH and temperature can be measured simultaneously with high precision. Omni-directional measurement of water quality to ensure the health of water quality! The ph meter digital water tester is ideal for drinking water,daily household,hydroponics,sewage, lab teaching and ANY water sample..
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Lydsto Breathalyzer Breath Alcohol Tester Quick Response LED Display Portable for Personal & Professional-Grade Accuracy Use Semiconductor Sensor with 5 Mouthpieces

  • ...te Testing】After blowing for 5 seconds, your BAC results are displayed. Sound Warning When the test result is higher than 0.050% BAC or 0.500‰ BAC, it will sound a "di di di... " alarm sound to alert you. It provides accurate BAC results you can trust..
  • 【HD Digital Display】LCD high contrast display, accurate and sensitive, clear and easy to read, automatic memory of default units in case of power failure..
  • 【Long-lasting Battery 】Lydsto Breathalyzer Alcohol Tester uses AAA battery,which can be used for more than 200 times without worrying about the power problem.It can be replaced at any time recycled. You simply insert the three included AAA batteries, power on your breathalyzer and begin testing..
  • 【Easy-to-use】One button operation Just press the power button for 2 seconds to start the professional breathalyzer to complete the detection in seconds..
  • [5 Reusable Mouthpieces】Small and beautiful appearance,portable,comfortable grip,ergonomic. You can put it in a pocket or a purse. Lydsto Breathalyzer Alcohol Tester comes with 5 reusable mouthpieces..
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Alcohol Breathalyzer Portable Breath Tester LCD Display Digital Alcohol Test Detector Breath Alcohol Analyser Tester Breathalyser Lie Detector Blue Color ABS Material

  • >>>[Function]: Breathalyzer Keychain Digital Alcohol Tester Detector is used to measure the alcohol concentration in the human body. This portable breath tester uses a sensitive semiconductor sensor that can quickly give results to judge whether you can drive..
  • >>>[Fashionable Keychain Design]: Breath Analyzer saves space and is light in weight. It is easy to hold and carry. The pocket size allows you to carry it anytime, anywhere to ensure safe driving after drinking..
  • >>>【High precision and sensitivity】: This alcohol breath tester can be used to measure the alcohol concentration in the human body. Built-in sensitive semiconductor sensor, detection range: 0.00-0.19% BAC 0.0-1.9g/l (or 0.00-0.95mg/l BRAC). It can quickly give results within 3-5 seconds to judge whether you can drive, and provide you with high-precision test results. (The error is less than 0.01% BAC).
  • >>>[Large Digital LCD Screen]: Digital LCD Screen Alcohol Breath Tester uses a large LCD screen, which can clearly display....
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Neoteck Electrical Test Kit, Mini Digital Multimeter + Receptacle Outlet Tester + Non-Contact 12-1000V AC Voltage Detector Pen- Great Packs!

  • 【Electrical Test Kit】Comes with a Mini 1999 Count Digital Multimeter, Non-Contact 12-1000V AC Voltage Detector, and a Receptacle Tester to Meet Most Electronic Testing Needs, Ideal for Laboratory, Education, Factory, Workshop, Household Use.
  • 【Mini Multimeter】Multi-functional Tester with Backlit LCD Display, Also Comes with with Pair Test Lead, Accurately Measures AC/DC Voltage, DC Current, Resistance, and More, Recommended by Many Professionals Engineers, CE Rated for Over Load Protection, Includes 9V Batteries Under Load.
  • 【Non-Contact Voltage Detector】 This Non-Contact Voltage Tester Detects AC Voltage within 12-1000V AC, Distinguish the Live Wire and Null Wire through Different Frequency Alarm Sound and Flashing Led Levels.
  • 【Standard US Receptacle Tester】Featuring Lights that Indicate Circuit Condition, Tests Standard & GFCI Sockets/ Outlets/ Receptacles for Proper Wiring (110-125V AC), Detect Five Different Wiring Faults: Open Ground, Open Neutral, Open Hot, Hot/ Ground Reverse, and Hot/ Neutral Reverse.
  • 【Wide Application】A Set of Quick Fix Tool, Perfect for Weekend Warriors, DIY Homeowner and Anyone just Learning How to Do This Type of Work, Helping You Evaluate the Outlets and Identify the Hot Wires in the Basement Testing, Durab....
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MASTECH MS8229 Auto Range Multimeter & Temperature Humidity Light Lux Sound Level Meter Tester 5 in 1 with Back Light

  • Portable Professional Measuring instruments with large LCD digital display and Back light.
  • Overload protection and low battery indication.
  • light and sound alarm to prevent misconnection of test leads.
  • AC/DC voltage and current, resistance,frequency, duty, capacitance, as well as continuity and diode test.
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DIYmall HJ Digital RC Servo Tester ESC Consistency Tester Speed Controller for RC Helicopter Airplane Car Motor Throttle Display

  • 1 X HJ Digital Servo Tester / ESC Consistency Tester.
  • 4CH tester servo: It can control 4 servos at the same time.
  • 50H analog servo signal cycle 20us frequency 50Hz,125H digital the steering gear a signal cycle 8us frequency 125Hz.
  • 250H Digital Servo signal cycle 4us frequency 250Hz.
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YINMIK pH Salt ORP Tester, Digital pH Meter for Aquarium, 7 in 1 pH TDS EC Salt ORP S.G Temp Pool Salt Tester for Spa,Hot Tub,Home Brewing,pH ppm EC Meter for Hydroponics,ORP Meter for Drinking Water

  • [7 in 1 Digital pH TDS EC Meter] YINMIK YK-7 water quality tester can measure pH, TDS, EC, ORP, S.G, Sat and temperature with high precision at the same time which is a convenient and reliable manner for most regular water solutions' testing..
  • [pH and Salt Meter for Aquarium] Water quality of the fishpond is extremely important. Slight changes in pH, temperature or salinity may lead to serious consequences. YINMIK YK-7 water tester is expert in aquarium, testing pH, temp, salinity, tds. Save money and time for you..
  • [Salt Tester and pH ORP Meter for Pool&Spa] YINMIK YK-7 digital water quality meter is the ideal measuring instrument for every swimming pool owner who values optimal water quality. The YINMIK water pH tester combines ease of use and reliability with a compact design. It has pH, Temp, ORP and Salt functions, which can meet the daily monitoring of pools, spa, or hot tub..
  • [Digital pH EC ORP Meter for Hydroponics] Hydroponics is one of the most common applications for pH, TDS/EC meters. YINMIK YK-7 multi-parameter tester is an invaluable tool for measuring how far away your water is from needing mor....
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Diode Check

  • ... has a built-in 10 amp circuit breaker, the input current can be reversed to form a loop power supply, and it automatically trips when the current exceeds 20A, protecting the equipment and extending its life..
  • 【Injector Tester & Injector Cleaner】CODIAG GT 101 Power Digital Tester has a DIY injector cleaning adapter kit, which supports DIY cleaning of injectors. When the fuel injector is driven to open and close, and the current shows a normal value, it means that the fuel injector is normal. If it does not move or the current display is abnormal, it means that the injector is damaged. When checking the injector for clogging, it can be cleaned by cleaning the pressurized tank with the injector..
  • 【20ft Test Cord & Color Display & Torch】Car circuit tester with 20ft extension cord, powered by car battery or cigarette lighter, extension cable port extension provides excellent accessibility for testing along the vehicle. With a digital color display, you can clearly read the voltage and current data. Built-in flashlight and LED bi-color light make it easy to work even in dark or low light conditions..
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24-Count of Papablic Test & Safe Breastmilk Alcohol Test Strips, 2-min Quick & Precise Detection for Alcohol in Breastmilk Precise Detection for Alcohol in breastmilk

  • ...it for 20 seconds for warming-up, then blow with the tester for 5-6 seconds, the result will be ready after 3 seconds, and it will be displayed on the LCD screen for 15 seconds.
  • BREATHALYZER WITH SMART ALARM FUNCTION & ENERGY-SAVED DESIGN: when the test result is higher than 0.05% BAC / 0.5 ‰ BAC, the red light of digital breathalyzer flashes and a continuous drop sound is emitted to remind the user. Powered by 3AAA alkaline batteries (not included), it will auto power-off to save power after finishing the test for 5 seconds. Moreover, designed with low voltage indication for this alcohol tester.
  • NOTE: In order to make the test results accurately, when using the Breathalyzer to test alcohol, please test with the alcohol breathalyzer 20 minutes later after drinking.
  • please wait for another 3 minutes before starting the next test to get the precise testing result.
  • WHAT YOU GET: JASTEK Professional Breathalyzer Alcohol Tester x1, User manual x1, Mouthpieces x5, Carrying String x1. Our Breathalyzer provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us.
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SM-130DB Digital Decibel Meter Reader and Sound Level Meter Type 2 with Calibration Certificate. Measurement Device for Environmental and Mechanical Noise Monitor - Manufacturing, Office, Classroom

  • ✔ 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 130dB(decibel) - 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 - 1/2 inch electret condenser microphone, Accuracy ±1.8dB (ref 94dB@1KHz) and 0.1dB resolution..
  • ✔ 100% MONEY BACK GUARANTEE 2 YEARS WARRANTY ensures this will quickly become your favorite no-risk purchase..
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Digital PH Tester for Water- PH Meter High Accuracy Water Quality Tester with ATC, 0.01pH Resolution 3 in 1 PH TDS Temp for Household Drinking Water, Hydroponics, Lab, Aquarium by ORAPXI

  • ✅High Accuracy&One-Button Lock Reading Function - With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response.One-button lock reading function helps lock reading even if the tester is taken out of the sample!.
  • ✅Automatic Calibration - The digital ph meter for water uses a 3-point AUTOMATIC calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18 to ensure the accuracy of your measurements..
  • ✅Automatic Temperature Compensation - No longer need to pay attention to the temperature of testing liquid, Allprettyall ph tester digital can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature..
  • ✅Wide Application-Allprettyall water quality tester designed in pH and temperature can be measured simultaneously with high precision. Omni-directional measurement of water quality to ensure the health of water quality! The ph meter digital water tester is ideal for drinking water,daily household,hydroponics,sewage, lab teaching and ANY water sample..
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