Reviews Sensor Self test

Ketone Breath Analyzer, Keto Breath Meter for Testing Ketosis with 10 Mouthpieces(Black)

  • ...tone meter detects your breath acetone from 0 to 99 PPM and follow 6 level guidance: 0.0-1.9ppm (No ketosis), 2.0-3.9ppm (Early Stage Ketosis), 4.0-9.9ppm (Light Ketosis), 10-39ppm (Stable Fat Burning Zone), 40-59ppm (Caution-High Ketosis), 60-99ppm (Ketoacidosis).
  • IDEAL FOR KETO DIET - The highly sensitive acetone sensor is protected with self-diagnostics for sustainable and long term use. The device automatically detects whether a self-diagnostic test is required..
  • ADVANCED TECHNOLOGY - Accurately measures breath acetone concentration at 100 resolutions (0.0~99) using a PPM (Part Per Million) measurement. Ketone Breath Meter provides you of results that are simple and easy to understand.
  • CAUTIONS BEFORE MEASUREMENT - Be cautious about factors that may affect your results because the device is with high sensitivity sensor and avoid brushing your teeth, smoking, drinking or eating foods 30minutes before taking the test for accurate results. In order to accurately analyze and track your testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!.
Check Stock

Kidde Hardwired Smoke & Carbon Monoxide Detector, Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack

  • 2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device.
  • 24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test).
  • Easy installation mounting bracket included for quick installation in 4 orientations.
  • Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide.
  • LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event.
Check Stock

CATLINK Self Cleaning Cat Litter Box with A Red Hat, Automatic Cat Litter Box, Double Odor Removal, for Cats from 3.3 pounds to 22 pounds (Version Young)

  • ...e cats leave the litter box, the rolling sifting process separates your cat's waste from the clean litter. With 13L ultra-large waste drawer, pet keeper just need to empty it for every 21 days (Based on test data from one cat)..
  • 100% SAFE AUTOMATIC LITTER BOX FOR CAT: An integrated device of self detection, infrared sensor, gravity sensor, anti-pinch infrared sensors, ventilated and inverted triangle stable structure design, makes sure that no cats will get hurt..
  • REDUCES LITTER BOX ODOR & TRACKING: Chargeable odor purifier (optional) and carbon filter effectively eliminate unpleasant odors, formaldehyde and ammonia. The removal rate is up to 90% or more. Also, CATLINK stair for self cleaning cat litter box can help reduce falling litter when the cats goes out..
  • WARRANTY & SERVICE: CATLINK products are exported to more than 200 countries and regions, with a total of 200,000 users. During the one-year warranty period, CATLINK will provide free waranty service for failures caused by the quality of product. You can reach our customer service easily via CATLINK website or other channel..
  • SPECIFICATION: The size of self cleaning cat litter box: 23.62*22.83*27.95 inch, capacity in cylinder box: 6L, waste collection bin: 13L. It fits for cats from 3.3lb to 22lb....
Check Stock

ACTIONUNIOn Airsoft Chronograph High-Power Speed Tester (Tan)

  • Designed to test the high power airsoft shooting speed, muzzle velocity, shooting kinetic energy, and the predicting shooting distance.
  • HD LCD screen with backlight, easy to check the readings accurately even at night, testing error less than 1.3%.
  • IR sensor self-calibration technology, customed weight and caliber value, data playback, auto power-off.
  • Compact size has a 25mm extra-large size diameter aluminum caliber which even allows you to test the velocity of the paintball.
  • Comes with a detailed user manual, easy to use with only three buttons. NOT includes tripod and battery.
Check Stock

ACTIONUNIOn Airsoft Chronograph High-Power Speed Tester (Black)

  • Designed to test the high power airsoft shooting speed, muzzle velocity, shooting kinetic energy, and the predicting shooting distance.
  • HD LCD screen with backlight, easy to check the readings accurately even at night, testing error less than 1.3%.
  • IR sensor self-calibration technology, customed weight and caliber value, data playback, auto power-off.
  • Compact size has a 25mm extra-large size diameter aluminum caliber which even allows you to test the velocity of the paintball.
  • Comes with a detailed user manual, easy to use with only three buttons. NOT includes tripod and battery.
Check Stock

Dusk to Dawn Motion Sensor Outdoor Barn Lights,Farmhouse Gooseneck Barn Light with 3 Modes,Waterproof Industrial Porch Light Fixture Wall Mount,Black Exterior Wall Light for House Outside Garage,2Pack

  • 【Motion Sensor & Ultra Wide Detected Range】The exterior light fixtures are combined with PIR motion sensor and IC lighting sensor technology. And this farmhouse outdoor lighting with a 220° ultra-wide detection angle, ultra-long sensing distance up to 40FT which can be triggered by moving people, cars, etc., turning a dark space into a bright lighting space. For better performance, please install the light at least 6 feet from the ground..
  • 【3 Lighting Modes - barn lights outdoor】①Auto mode:Turn on at 30% brightness under no motion is detected at dusk,and 100% brightness after motion is detected,back to 30% dim light after 120s of no motion.②Auto+ Mode:Motion sensor outdoor light auto turned off when no motion is detected at dusk and turned on 100% brightness after detecting motion,off-again after 120s of no motion.③Manual Override Mode:It will stay on 100% brightness for 6~8H to meet long-time lighting and will auto off at dawn..
  • 【Anti-Rust, Waterproof with Matt Black Shell】This frame of the farmhouse outdoor gooseneck lighting is designed with a retro with matt black lampshade process. And this dusk to dawn outdoor lighting is made of 100% heavy-duty rugged metal, the motion sensor wall light forms a waterproof, corrosion-resistant,....
Check Stock

GX-2009, 4 gas, LEL / O2 / H2S / CO with alligator clip, no charger by RKI Instruments

  • Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications.
  • Electrochemical cell sensor monitors ambient H2S, oxygen, and carbon monoxide levels, and catalytic bead sensor monitors ambient combustible gasses continuously.
  • Audio, visual, and vibration alarms alert simultaneously when ambient H2S, oxygen, carbon monoxide, and combustible gases reach preset low, high, TWA, or STEL levels.
  • LCD screen shows up to four ambient gas concentrations, battery level, alarm condition, and the status of calibration, bump, and sensor self-tests.
  • Rechargeable Nickel–metal hydride battery reduces the need to replace batteries and much longer charge cycles..
Check Stock

Water Flow Sensor Switch Hall Effect Liquid Water Flowmeter Meter 1-30L/min, DC4.5-18V, Copper - Water Flow Hall Sensor

  • ★ Safe and Reliable ★ This flow sensor switch is made of brass, all materials are in line with ROHS testing standards. It's a safety device that shuts off the current to the device (heaters, pumps, etc.) when it senses no water flow..
  • ★ Water Pressure, Flow Range, Connection ★ G1/2 type water flow sensor, its maximum water pressure is 1.75MPa, the range of flow is from 1L/min to 30L/min. Three wire connection: Red for positive pole, black for negative pole, yellow for pulse signal..
  • ★ Hall Effect Sensor ★ There is an integrated hall effect sensor that outputs an electrical pulse with every revolution. The hall effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry..
  • ★ Easy to Install ★ Lightweight, reasonable size, stable performance, low water pressure start, easy to install, safe to use. Waterproof, heat resistance, pressurresistance, cold resistance, small size, stable and reliable..
  • ★ Widely Applications ★ Perfectly used for water heaters, pumps, hot tub, boiler, water dispensers, coffee machines, hot card machines, steam equipment, water system, the campus card sales, selling self-help water systems, water treatment equipment, cooling systems, mechanical equipment, instrumentation, pharmaceutical e....
Check Stock

Kidde i9010 10-Year Sealed Lithium Battery-Operated Smoke Alarm with Memory and Smart Hush

  • Sealed in lithium battery never replace battery over the ten-year life of the alarm.
  • Self activation alarm automatically activates when securely attached to the mounting bracket.
  • Smart hush temporarily silences nuisance alarms and will not allow hush mode to be activated unless the unit is in alarm mode.
  • Rapidly flashing red LED alerts the user if the alarm has sounded since the last time the test reset button was used.
  • Kiddes smoke alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards.
Check Stock

Verifi Smart Safe S6000 Biometric Gun Safe with Fingerprint Lock Security for Home or Business Storage of Pistols Money and Jewelry

  • Biometric safe featuring the largest and only FBI certified fingerprint sensor in any gun safe. The large-area capacitive TouchChip fingerprint sensor....
  • Handgun safe automatically performs a set of thorough self-diagnostic tests on the batteries, fingerprint sensor, and safe lock mechanisms every 24....
  • Smart gun safe operates for years on a single set of batteries. LCD display on the front of the biometric safe shows battery percentage. Audible....
  • Tamper alerts are timestamped and secured within the biometric safe memory to keep you informed of backup-key access, reset attempts, and unauthorized....
  • Additional fingerprint safe features include: adjustable LED light, automatic locking door, carpeted interior, pre-drilled holes for mounting, enroll....
Check Stock

Clover D16A Water Dispenser -Hot and Cold Bottleless with Install Kit, High Capacity -Gloss Black

  • ...Brios’ touchless water cooler dispenser is unlike any on the market, you can choose a personalized temperature for the cold and hot output, making it perfect for cool refreshments or toasty beverages, satisfying all your hydration needs. Brio Water gives you the ultimate hydration experience..
  • Touchless: Automatic sensor activated by the simple wave of a hand is designed to prevent cross-contact while saving you time and money. Please note, motion sensor feature will only dispense cold water..
  • Self-Cleaning: A clean cooler shouldn’t be complicated, so we simplified it for you. Enjoy minimal maintenance with the water cooler that utilizes a self-cleaning feature. Keep the unit in pristine condition at a touch of a button when you activate the self-cleaning ozone that sanitizes the water lines. Includes digital controls: illuminated panel displays child lock, a digital clock, a nightlight, and more..
  • Long-Lasting: Powerful and long-lasting, Brio Water Coolers withstand the test of time. The durable cooler is made of premium stainless steel that ensure years of use. Brio Engineers guarantee that each cooler is UL Approved, so invest in the brand that efficiently uses electricity and always keeps you in mind. With simple maintenance, this steel framed c....
Check Stock

Upgraded Version Bed Sensor Alarm and Fall Prevention for Elderly/Dementia and More,Caregiver Pager Motion Sensor Alarm with 5 Volume Level 1 Caregiver Pager

  • Easy to monitor loved ones getting out of bed or leaving the room， Motion sensor can be mounted to the wall/by doorways or floor, or placed on a....
  • The bed alarm does not sound in the patient's room, potentially startling them and causing a fall,The motion sensor would start self-test procedure....
  • Allows caregivers to free up time for housework while the patient is sleeping and freely monitor movement remotely..
  • Dual reminder (LED light/sound) and dual power supply (alkaline battery/Micro USB).
  • 1 Caregiver Pager (includes batteries 3*AA) 1 Motion Sensor (includes batteries 3*AAA) 1 Micro USB 1 double-sided tape 1 screw kit and manual..
Check Stock

BLATN Smart 128s Air Quality Monitor Indoor CO2 PM2.5 TVOC Meter Formaldehyde HCHO Detector VOCs Pollution AQI Tester PM1.0 PM10 Dust Particle Counter Data Logger Home

  • 003cb003eFINE PARTICLE DUST LEVEL003c/b003e -- Laser air quality sensor can measure indoor dust level in real time. 6-channel tiny particle number detection (Number of particles/liter)--PM0.3, PM0.5, PM1.0, PM2.5, PM5.0, PM10.
  • 3-channel particulate matters quality detection (μg/m³)--PM1.0, PM2.5, PM10.
  • 003cb003eCO2 & HCHO SENSOR003c/b003e -- NDIR Non-Spectral Infrared CO2 Carbon Dioxide Sensor with self-calibration, Absorption chamber Optical Coating.
  • Electrochemical formaldehyde HCHO sensor with automatic calibration, double platinum catalytic electrode, strong anti-interference ability.
  • 003cb003eTVOC CHEMICAL POLLUTION003c/b003e -- Semiconductor TVOC meter can test a variety of volatile organic compounds TVOC VOCs, such as benzene, toluene, xylene, aromatic hydrocarbons, aldehydes, hydrogen sulfide etc., captures the change in molecular concentration of organic compounds at the thousandth level.
  • 003cb003eDATA LOGGING UPGTADE003c/b003e -- Smart air quality monitor indoor upgrade in 2021: Support data storage and export of all 12 testing items, with date and time, frequency: once every 1 minute. MAX storage capacity can be expanded to 8G, which can store up to 400 days of records.
  • 003cb003ePROFESSIONAL & ORIGINAL003c/b003e -- air quality alarm base on ....
Check Stock