Reviews Oxygen Concentration Tester

Alcohol Tester, Portable Alcohol Breath Tester LCD Digital Display Alcohol Tester/Analyzer with Backlight

  • Digital Display: LCD alcohol tester which can improve the detection efficiency, LED backlight display, it can also be used at night. The detection range is 0.00-0.19% BAC and 0.0-1.9g..
  • Easy to Use: High sensitivity semiconductor sensor, the alcohol tester can analyze the concentration of alcohol in the blood at any time and anywhere. Quick response and with automatic shut down function..
  • Lightweight and Portable: The size is 112 * 68 * 22（mm）/ 4.4 * 2.6 * 0.8in, portable design, which is very easy to hold in your hand,and carry in your pocket, car or handbag..
  • Affordable Breath Alcohol Analyzer: Come with 5 pcs inhaler sleeves. You can change the nozzle regularly, it is safer and healthier..
  • 100% Guarantee: Our warranty period is 12 months. If you encounter any problems during your use, you can contact our customer service, They will provide you with solution in time..
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Greentest Mini Portable Digital Nitrate Fruit Tester Geigor Counter Water TDS Meter Tester for Fruit,Vegetable,Meat,Fish,Water

  • Fruit Vegetable Tester-Able to check the exact concentration of nitrates in your fruit and vegetables and decide whether it is safe to consume or not..
  • Water Tester-Can detect total dissolved solids/water hardness in water to test for contamination in home purifying systems..
  • Instant Accurate Reading-Can display results in just 3 seconds with less than 10% margin of error.Allow to quickly know the safety of fruit....
  • Easy to use-Smartphone controlled.Search Greentest in your app store and download.You can see the test results just in your smartphone.Lightweight and....
  • Customer service- We offer friendly customer service,which make your purchase absolutely risk-free and you can enjoy testing it's quality and....
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Antifreeze Refractometer in Fahrenheit, 4-in-1 Anti-Freeze Coolant Refractometer Tester for Checking Freezing Point of Automobile Antifreeze System, Battery Fluid, Glycol, Coolant, Antifreeze Tester

  • 4-in-1 Tester - Measuring Freezing of automoblie antifreeze based on ethylene glycol or propylene glycol -60℉ to 32℉. Measuring Specific Gravity of battery acid 1.10 to 1.40Kg/L. Measuring of Windshield Washer Fluid based on ethanol or isopropyl alcohol -40℉ to 32℉. Measuring Urea Concentration in automobile diesel exhauset fluid (DEF) 30% to 35%.
  • Display In Fahrenheit - Updated antifreeze coolant refractometer in Fahrenheit (℉) display, allow you easy to read measured results by ℉ unit, no need to units conversion and save your time.
  • ATC Function - Coolant refractometer Fahrenheit can automatically compensate temperature when ambient temperature changes, eliminate the deviation, you can get the accurate results fast and easier.
  • Easy To Use - Only need 2 or 3 drops of solution and wait for few seconds, then you get the accurate results. These antifreeze tester needs less sample solution than tradistional hydrometer and less expensive then digital refractometer.
  • Durable And Portable - Antifreeze coolant tester is made of aluminum and ABS rubber, non-staining, anti-rust and stury for long perfermance. Comes with durable plastic box, portable and easy to take with you.
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Terisass Breathalyzer Keychain LCD Screen Breath Alcohol Tester Professional-Grade Accuracy Digital Alcohol Detector Portable Breath Checker Analyzer No Backlight with 5 Mouthpieces

  • 【Application】Advanced semiconductor oxide alcohol sensor is a simple method to analyze the concentration of Alcohol in the blood in any time and....
  • 【Environment and healthful】LED Screen Lie Detector Breath Tester blowing design with five mouthpieces for multiple users, which guarantee the use....
  • 【Easy to carry】Devicelcd Screen Alcohol Analyzer comes with keychain designis, tiny volume and easy to carry..
  • 【High sensitivity】The Digital Alcohol Breath Analyzer is highly sensitive.The Accuracy: 0.01% BAC (0.1g / L) for your convenience..
  • 【LCD display】LCD display of the portable digital breath alcohol tester gives you clearer view and digital alcohol automatically gives you for....
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ACEIRMC 4pcs Heart Rate Sensor Module MAX30102 Pulse Detection Blood Oxygen Concentration Compatible for Arduino STM32

  • Integrates a red LED, a infrared LED, aphotodetector, an optical equipment and a low noise electronic circuit with environmental light suppression..
  • The standard I2C compatible communication interface can transmit the collected data to KL25Z and other microcontrollers for heart rate and blood oxygen calculation..
  • The chip can also turn off the module by software, and the standby current is close to zero, so that the power supply can always be maintained..
  • Apply to wearable device for heart rate and blood oxygen collection, worn on fingers, ear lobes, wrists and other places..
  • Package：4 * Heart Rate Sensor Module MAX30102 Puls Detection Blood Oxygen Concentration.
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Diamond and Gold Silver Platinum Test Kit- Jewelry Testing Supplies with Box of Acids, Electronic Scale and Much More

  • ...lves to changing the quality of life and protecting us and our children from the infringement of harmful impurities, nitrates and nitrites. As a result, a revolutionary new food safety testing device Greentest, has been developed, which allows detecting fruits and vegetables cultivated improperly and evaluating the concentration of nitrates. It helps us satisfy our "green life" desires to rub the lamp..
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MOES Smart CO2 Detector, Indoor Air Quality Monitor, NDIR Sensor Carbon Dioxide Detector, Temperature Humidity Air Tester for CO2 Alarm, Smart Life Tuya APP Digital CO2 Meter

  • 【Compatible with Tuya Smart/Smart Life APP】Intelligently monitor your house air condition for CO2 concentration, temperature and humidity value on smart phone via Tuya Smart APP when you are not at home, no more worry about sudden accidents. And you can transfer the Temp. valve between ℃ and ℉ easily in APP or directly via the button on the detector..
  • 【3 in 1 Multifunctional Carbon Dioxide Meter】The 3 in 1 CO2 monitor can detect real-time CO2 concentration, together with clear display on indoor&outdoor humidityand temperature for extremely comfortable and safe life experience. CO2 detection range is featured from 400 to 5000PPM, temperature detection range from 0 to 50℃ and 0-99%RH for humidity detection range, fits well for agricultural planting, production warehouse, raw material processing, home, school, office, and other occasions..
  • 【CO2 Concentration Stage& Sound Alarm】 This CO2 detector is functional with 3 stages of CO2 concentration—normal stage (400-700 ppm), warning stage (700-1500 ppm), and dangerous stage (1500-5000 ppm) and will alarm when the detected CO2 concentration is beyond the safe value you customized to monitor house....
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GREENWON Breathalyzer, BAC Tracker Breathalizer Alcohol Test, Breathalyzer to Test Alcohol Tester Alcohol Breathalyzer to Test Alcohol Portable Mouthpieces Case Alcohol Tester Breathalizer for Alcohol

  • HIGH ACCURACY & SENSITIVE . This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive semi-conductor sensor, this portable breathalyzer can quickly give a result to judge whether you can drive or not(only 5 seconds). Provide you high accuracy test result(up to 0.01mg/l), four units of measurement can be converted(%BAC , BAC, mg/l, mg/100ml)..
  • ENERGY-SAVING & AUTO-OFF FUNCTION. Powered by 3AAA batteries( not included but commonly available), this breathalyzer will automatically shut off to save power after finishing the test for 5 seconds. Each time you install batteries, you can test more than 200 times. Moreover, this breath alcohol tester is designed with low power indication..
  • COMPACT DESIGN. This breathalyzer alcohol tester is space-saving, lightweight, portable, it is easy to hold and carry.you can put your breathalyzer into this bag when you do not use it. Pocket-size allows you take it anywhere and anytime, ensures your safe driving after drinking..
  • CONCEALED PORTABLE MOUTHPIECE CASE: This alcohol breathalyzer has a concealed mouthpiece case in the back of the equipment,this case can carry 5 PCS mouthpieces any time to keep the mouthpiece hygiene and clean.Meanwhile, you can share to your family....
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3M 7093 P100 HEPA Particle Filter 4/PK (2 pair)

  • 【Matching Products】 2097 p100 filter retainer used with 6000/7000/ FF-400 series Retainer, can not be used alone. Please confirm this is the model you need before placing an order..
  • 【Material】High Electrostatic Filter Material, Non-woven fabric, Meltblown fabric, hot air cotton.as at least a 95% filtration efficiency,Recommended for use in environments containing certain non oil-based particles..
  • 【Warm Attention】 The product cannot produce oxygen, please do not use it when the oxygen concentration is lower than 19.5%..
  • 【Replacement time】When the filter cotton is dirty, damaged, and the breathing resistance increases significantly, please replace the filter cotton..
  • 【 Good Service】We always provide satisfactory after-sales service at the first time,Please don’t hesitate to contact us when you have any problem..
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