Top Humidity Detection Method

Taiss/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch 6-36VDC E3F-DS30C4

  • Whether the detection distance is adjustable: adjustable.
  • Detection method: Diffuse reflection type.
  • Photoelectric switch sensor with integrated circuit technology and SMT surface mount technology, a new generation of optical switch sensor devices, photoelectric switches are manufactured with external synchronization, interference suppression, reliability, regional stability, and self-diagnosis..
  • Photoelectric switch sensor is the use of a test object to block or reflect the beam through a synchronous loop gate circuit to detect the presence or absence of an object. All reflected rays can be detected accurately..
  • The current sensor switch is widely used in mechanical automation, 3D Printer Probe Bed Leveling, paper making, light industry for limiting station, orientation taking count, speeding trial etc..
  • Package contains- 1 x Photoelectric Sensors..
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NPET Cat Fountain PIR Motion Sensor Switch for Pet Fountain

  • 【Sensor】 NPET External Sensor for Water Fountain for Cat and Dog. Range of detection: approximately 3 m. Induction angle: cone angle of 180°..
  • 【Optional Function】 Combined with the infrared sensor module, it detects that an object is approaching or moving, and the water dispenser will....
  • 【High stability】About 3m detection distance. Extended time range: 15s-5min, adjustable stop time. The default setting is to stop working after the....
  • 【Small size and easy to install】 Accessories include screws and a sticker. You can choose the appropriate installation method according to your....
  • 【USB socket】 USB jack wiring method for easy connection. 1.2m input cable, and 0.3m output cable.The total cable length is 1.5m..
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CO2 Detector, Aiment 3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer for CO2 Digital CO2 Meter for Indoor Home Office

  • 【Multifunctional Carbon Dioxide Tester】This 3 in 1 CO2 monitor can detect real-time CO2 concentration, monitor indoor and outdoor humidity, and temperature. CO2 detection range: 400-5000PPM. Temperature detection range: 0-50℃. Humidity detection range: 0-99%RH..
  • 【Full-Color Large Screen】With full-color display and large screen design, this carbon dioxide detector is super easy to read. LED digital display with intelligent backlight, eye protection function, one key operation..
  • 【Large Capacity Rechargeable Battery】The CO2 detector has a built-in large capacity rechargeable battery, standby up to 40hours. You can check the air quality from anywhere, or have the device continuously monitor at a specific location..
  • 【More functions】Intelligent early warning system, high quality infrared NDIR sensor, multiple interference prevention, air convection technology, greenhouse compensation calibration..
  • 【Multi Application】Suitable for agricultural planting, production warehouse, raw material processing, home, school, office, and other occasions. We offer 3 months free return and lifetime warranty for our CO2 detector..
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XIAOSHI 2-Pack 1.75mm 3D Filament Detection Module Filament Run-Out Pause Detecting Monitor

  • Type：Material detection module / Material: Plastic.
  • Used for 1.75mm filament sensor 3D printer /Uses the level transition detection method.
  • Board dimension: 38 x 30 x 13mm /Number of Port: 3 Pin /Cable Length: about 100cm.
  • This item is 3D Filament Detection Module,with material in, the detection level signal should be high, and when no material, the material port level signal goes low..
  • Due to the difference between different monitors, the pictures may not reflect the actual color of the item..
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Smart PIR Motion Sensors: WiFi Motion Detector with Temperature and Humidity Sensor, USB/Battery Powered Movement Detector, Compatible with Alexa Google Home, for Smart Home Automation

  • IR MOTION ALERT SENSOR--APP ALERTS & ANTI-DISMANTLE: Wireless PIR motion detectors,10 meters detection distance,120° effective detection angle, Whether day or night can be real-time monitoring. Once movement is detected or when disassembling with external force, instant notifications will be sent to your devices within a few seconds. Make Your Home Smarter..
  • BUILT IN SMART HYGROMETER AND THERMOMETER: Except for motion tracking, 3-in-1 Smart Motion Sensor alarm access temperature and humidity accurately,Remotely monitor temperature humidity. Send alerts via app when temperature or humidity goes out of preset value.(Support Alxea voice control to query temperature and humidity, and the alerts are sent via the App).
  • DUAL POWER SUPPLY AND LINKAGE FUNCTION: Motion detector alarm indoor can be powered by the included USB cable(included) or CR123A battery(included). More stable to receive alert.Long-term power supply,say goodbye to power outages. It can linkage with other smart home products, such as smart lights or door sensors, etc. Setting custom scenes in your smart home system, for example, turning on the lights if motion is detected..
  • 2.4GHz WiFi One-KEY CONNECT EASY SETUP: Don't need home gateway,you can easily achieve the intelligent control of home a....
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Square D X Series Dual Humidity & PIR Motion Occupancy/Vacancy Sensor Light & Fan Control, 3 Amp Single-Pole/1-way, Matte White

  • Combination moisture and motion sensor to automatically control bathroom exhaust fan and light.
  • passive infrared (PIR) motion range up to 600 square feet and programable humidity level.
  • Relative humidity level can be set between 30 – 85%.
  • adjust timing for fans and lights in increments of 10, 20, or 30 minutes.
  • Push button provides manual ON/OFF light switching at any time between occupancy detection (lights ON/OFF are fully controlled) and vacancy detection.
  • Two independent push buttons provide manual control of the fan or light and two configurable working parameters and one configurable light operation mode.
  • Supports 400W LED or 500W incandescent bulbs, single-pole/1-way wiring, and is CA title 24 and RoHS compliant.
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Mini Hygrometer Thermometer Electronic Digital Humidity Meter Gauge Monitor LCD Display Indoor Temperature Sensor with Fahrenheit (℉) Celsius(℃) for Jars Greenhouse Garden Fridge (12 Pieces,Black)

  • Sufficient quantity: here are totally 12 pieces round shaped humidity temperature meters in classic color, sufficient enough for satisfying the temperature and humidity detection in your daily life.
  • Create a comfortable living condition: this electronic digital humidity gauge monitor can quickly and accurately measure the indoor humidity and temperature, and it will measure every 10 seconds, thus you could adjust the humidifier and dehumidifier settings according to the measurement, providing you a comfortable living environment.
  • Measurement range: this mini hygrometer thermometer could precisely measure the humidity range from 10 to 99 percents and temperature range from minus 50 to 70 degrees Celsius, with high measurement accuracy, you will know your living condition at any time.
  • Size details: our humidity temperature meter sensor is approx. 45 mm/ 1.78 inches in diameter, its LCD display is approx. 25 mm/ 1 inch in diameter, light in weight and compact in dimension, portable to carry and store, won't take up more spaces.
  • Universal applications: these LCD display indoor humidity temperature meters are practical to detect both of temperature and humidity around you, suitable for families, school, office, baby's room, greenhouse, basements, cellars, lab....
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REPTI ZOO Reptile Tank Electronic Terrarium Hygrometer Digital Humidity Monitor for Pet Reptile Cage Hydrometers

  • Utilizes high quality imported metal sensing probe..
  • Simple to use and aesthetically appealing design..
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Mini CO2 Detector, Aiment 3-in-1 Lightweight Portable Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer Digital CO2 Meter for Home Indoor Travel

  • 【Multifunctional Carbon Dioxide Tester】This 3 in 1 CO2 monitor can detect real-time CO2 concentration, monitor indoor and outdoor humidity, and temperature. CO2 detection range: 400-5000PPM. Temperature detection range: 0-50℃. Humidity detection range: 0-99%RH..
  • 【Mini Air Quality Monition】The Air Quality Monitor is small and portable, easy to carry around as a decoration, you can check air quality anywhere and anytime. With Intelligent early warning system, high quality infrared NDIR sensor, multiple interference prevention..
  • 【Large Capacity Rechargeable Battery】The CO2 detector has a built-in large capacity rechargeable battery, charging takes only 2.5 hours, and standby up to 30hours. You can check the air quality from anywhere, or have the device continuously monitor at a specific location..
  • 【Full-Color LCD Screen】With full-color display and LCD screen design, this carbon dioxide detector is super easy to read. Digital display with intelligent backlight, eye protection function, one key operation..
  • 【Multi Application】Suitable for home, school, off....
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Industrial Test Systems 481146 Sensafe Iron (Ida's) Water Test Strips 30 Pack

  • ✔EASY TO USE: Single dip and read test strip procedure and optimized color chart make the product ideal for technical and non technical users alike for detection of ferrous Iron (Fe+2) in water.
  • ✔DETECTION LEVELS: Iron, Ferrous (Fe+2)*: Method A: 0. 0, 0. 3, 1. 0, 2. 0, 5. 0, 10, 20, 50 ppm (mg/L)--- Iron, Ferrous (Fe+2)*: Method B: 0, 0. 005, 0. 01, 0. 03, 0. 06, 0. 10, 0. 30 ppm (mg/L)--- *Does not detect Ferric Iron (Fe+3).
  • ✔COMPLETE KIT: Pack of 30 individually wrapped test strips packed Pocket Pouch with color chart.
  • ✔ACCURATE AND RELIABLE: Components are tested by Quality Control personnel at each step and are rejected if they are outside of specifications. Standards are prepared using calibrated equipment, and concentrations are confirmed by recognized reference methods.
  • ✔ HIGHEST QUALITY: ITS, manufactures test strip products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on Good Manufacturing Practices..
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Video Doorbell Camera HD WiFi Doorbell Wireless Operated Motion Detector Audio & Speaker Night Vision for iOS&Android

  • [2.4GHZ Wi-Fi Connection Not 5GHZ] - Smart doorbell, just download the APP：Aiwit and connect to the phone with 2.4GHz Wifi,and our device can be connected Wifi even out of door or through few walls with reliable connection transmission and strong signal. It’s compatible with iOS and Android..
  • [Motion Detection&Night Vision] - Doorbell will send you the message when someone move in in front of the doorbell camera. Equipped with IR sensor and LED, it allows you to take photography and record videos at day or night. Keep your home safe at night.Support humanoid detection, effectively reduce false positives.
  • [Video Talk-Back & free cloud storage ]-You can watch and talk with visitors on mobile phones and tablets anytime and anywhere, and transmit video or voice more clearly through noise reduction and rate adaptive technology. free cloud storage with bank protection level.(3 days cyclic storage).
  • [Simple installation method]-The smart doorbell supports two fixing methods: the first method is to use the matching double-sided tape to directly paste it on the wall. the second method is to use the matching screws to punch holes install.
  • The smart doorbell supports two power supply methods: the matching battery for direct power supply. The second method ....
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Huanyu Hay Moisture Meter TK100 Multifunctional Fibre Moisture Meter 0-80% Probe Humidity Tester Portable Water Content Analyzer for Tea Corn Straw Bran Soybean Meal Grains Chinese medicine

  • MULTI-FUNCTION: The newly designed moisture meter with extensive probes suits to many materials moisture content testing, just as Wood Fiber, grains, Hay,Straw, Bran, Chinese traditional medicine and other FIBRE materials. With a wide working range, the probe-type sensor can be deeply measured inside the material..
  • AUTOMATIC COMPENSATION: Adopt temperature and humidity compensation technology and realize through resistance operation, with higher measurement accuracy and better stability..
  • QUICK MEASUREMENT: The moisture meter TK100 can replace the traditional oven method, using the relationship between moisture content and resistance to effectively, quickly and accurately measure the moisture content. The whole moisture determination process takes less than 1 minute and immediately displays the measured value, which greatly saves the precious time of the inspectors..
  • LIGHT WEIGHT&LCD DISPLAY: Small size, light weight, strong anti-interference performance, can be carried on the spot for quick detection. Backlit LCD display technology, clear display and low power consumption..
  • MORE OUTSTANDING FEATURES: 1.Alarm function, maximum value hold.
  • 2.Automatic shutdown and power saving function.
  • 3.Customizable RS232/RS485/USB/Bluetooth data transmission..
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