Reviews Pollution Monitoring Device

Whatman 1827-110 Glass Microfiber Binder Free Filter, 1.5 Micron, 3.7 s/100mL Flow Rate, Grade 934-AH, 11.0cm Diameter (Pack of 100)

  • used for a wide range of laboratory applications.
  • fine particle retention is superior for its high retention efficiency at high flow rates and its high loading capacity.
  • This filter is a smooth surface, high retention borosilicate glass microfibre which withstands temperatures over 500°C.
  • Specified in Standard Methods 2540D for determining total suspended solids in water, removal of turbidity and filtration of bacterial cultures.
  • Recommended for water pollution monitoring, cell harvesting, liquid scintillation counting and air pollution monitoring.
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Whatman 1827-042 Glass Microfiber Binder Free Filter, 1.5 Micron, 3.7 s/100mL Flow Rate, Grade 934-AH, 4.25cm Diameter (Pack of 100)

  • used for a wide range of laboratory applications.
  • fine particle retention is superior for its high retention efficiency at high flow rates and its high loading capacity.
  • This filter is a smooth surface, high retention borosilicate glass microfibre which withstands temperatures over 500°C.
  • Specified in Standard Methods 2540D for determining total suspended solids in water, removal of turbidity and filtration of bacterial cultures.
  • Recommended for water pollution monitoring, cell harvesting, liquid scintillation counting and air pollution monitoring.
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True HEPA Air Purifier for Home Office Living Room Up to 350~500ft², Digital Display Air Cleaner with Air Monitor & HEPA Filter Remove 99.98% Smokes/Dust/Pet Dander During Night Light

  • *Triple Filtration & Efficient Deodorization: 3-in-1 composite filter screen effectively filter air impurities up to 99.98%. Negative ion generator, negative ions in the air smell and particles will have a strong adsorption capacity, is the most effective assistant to protect the air.
  • *Real-time Monitoring: Built-in air detection device for real-time monitoring of the environment around you. Any smells or deterioration in air quality will be detected within 3~5 seconds. It can be placed in a kitchen accessory to detect burning smells or gas leaks, preventing all kinds of accidents. Green means normal, blue means light pollution, and red means heavy pollution..
  • *Quiet Enough & Energy Save:The sleeping mode with the minimum volume of 25dB is as quiet as when you are in the library. Meanwhile, the power consumption of the sleeping mode will be 60% of that of normal use, which greatly saves you electricity consumption during sleep and also eliminates your worry about electricity accidents during sleep..
  • *Buyer's Guarantee : High quality filter to ensure that you do not need to replace in the longest half a year (if the odor is too large to reduce the life of the filter, but can still use for more than 3 months), seller quality guarantee....
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AC Current Sensing Switch Adjustable Current 0.2~30A Flameproof ABS Self Powered Sensing Switch Users Manual (Normally Open)

  • ✔ Automation Equipment Control -- Control various automation industrial equipment, flashlights, buzzers, relays, microcontrollers, or other electrical load devices. An ideal choice for automated industrial equipment and power monitoring.
  • ✔ High Accuracy Stable Performance -- Compared with traditional device, thermal protectors and other devices, it has the advantages of high accuracy, stable performance and long service life. Installation Form: Guide Rail 35mmDIN.
  • ✔ Convenient Monitoring Detecting Current -- The current sense switch is for safety, simple, and convenient monitoring or detection of current in the electrical equipment. Threading Hole Diameter: 8mm. Shell Material: Fireproof ABS.
  • ✔ Used In Industries Current Monitoring -- Widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries that need current monitoring.
  • ✔ Electromagnetic Mutual Inductance Of Current -- Using the principle of electromagnetic mutual inductance of current, the advanced output detection, monitoring and protection alarm products developed by the non-power supply technology are adopted.
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Air Quality Monitor, Formaldehyde Detector, Temperature & Humidity Meter, Pollution Tester, Sensor; Detect PM2.5/PM10/PM1.0 Micron Dust, Test Indoor TVOC Volatile Organic Compound Gas; eBook

  • ...l natural & synthetic volatile organic compounds causing most odors (TVOC), and fine particulate dust matter (PM2.5/PM1.0/PM10) which travel deeply into the respiratory tract, reaching the lung alveoli..
  • PORTABLE TESTING – Spot check or leave device on for continuous monitoring of indoor air quality. Built-in stand allows air monitor to be placed unattended anywhere. This easy-to-carry device can help monitor air quality at home, in the car, and in hotel rooms. The lithium battery provides portable power when DC 5V micro USB charging is not available. Information is displayed on a clear 2.8” 320 x 240 pixel color LCD display..
  • ADVANCED FAN & SENSORS – This air quality monitor has a built-in fan to quickly draw in ambient air to allow REAL-TIME measurements. It incorporates a laser sensor to measure levels of dust particles and has a second electrochemical semiconductor sensor to measure formaldehyde and natural/synthetic organic compound levels. Air monitor also auto calibrates in fresh air..
  • HEALTHY HOME? – Is your family suffering from sick building syndrome? This air quality tester detects organic co....
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Eboxer Miniature Current Switch, 0.2 to 30A Flameproof Adjustable AC Current Sensing Switch, with Users Manual, Self Powered Sensing Switch for Automated Industrial Equipment(Normally Closed)

  • HIGH QUALITY SENSING SWITCH: Control various automation industrial equipment, flashlights, buzzers, relays, microcontrollers, or other electrical load devices..
  • HIGH PERFORMANCE: Compared with traditional device, thermal protectors and other devices, it has the advantages of high accuracy, stable performance and long service life..
  • SAFETY AND SIMPLE: The current sense switch is for safety, simple, and convenient monitoring or detection of current in the electrical equipment..
  • ADVANCED TECHNOLOGY: Using the principle of electromagnetic mutual inductance of current, the advanced output detection, monitoring and protection alarm products developed by the non power supply technology are adopted..
  • WIDE SUITABLE: An ideal choice for automated industrial equipment and power monitoring, widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries that need current monitoring..
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AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch(Normally Closed)

  • Control of various automatic industrial control equipment, flash, buzzer, relay, single chip, or other power load equipment..
  • Using the electromagnetic mutual inductance principle of current, the advanced switch output detection, monitoring and protection alarm type products without power supply technology are adopted..
  • Widely used in substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other need current monitoring automation industry..
  • Compared with traditional transformer and thermal protector, it has the advantages of high accuracy, stable performance and long service life..
  • The current-sensing switch is for safe, convenient monitoring or detecting the current of electric equipment. An ideal choice for automatic industrial control equipment and electric power monitoring..
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Coway Airmega AP-1512HHS App-Enabled Smart Technology, Compatible with Amazon Alexa True HEPA Air Purifier, Black/Bronze

  • ... easy reports to stay informed. Control from your device, including turning off/on, changing modes or fan speed, creating a schedule, and using a timer (1, 4, or 8 hours). Monitor your filter usage and order replacements with the touch of a button. Also, works with Google Home and Alexa..
  • [Auto Mode] Constantly monitoring the air quality the fan automatically adjustes to most effectively purifiy your space as needed providing a new level of clean in real time..
  • [Eco Mdoe] When the air quality in the room remains purified for 30 minutes or more in Eco Mode, the fan will turn off to conserve energy, kicking on again when pollution is detected..
  • [3-Stage Manual Fan Speed] Control your AP-1512HHS' fan manually with low, medium and high settings..
  • [Air Quality Indicator] Pollution sensor communicates indoor air quality in real-time. Brightly colored LED lets you know how clean or dirty your indoor air is every minute of the day. You can turn off the light for sleeping..
  • [Filter Alerts] The air filter indicator tells you when the filters need to be replaced, and the pre-filter needs to be cleaned for maximum efficiency, based on how much air they have processed..
  • [Ultra Quiet] Ultra quiet operation with noise levels ranging from 24 dB to 53 dB..
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AC 0.5-50A Current Sensing Switch,SZC25-NC-AL-CH Current Relay Monitoring,Adjustable Normally Close Current Switch,

  • High precision, more stable and long service life.
  • It is an ideal choice for automated industrial equipment and store monitoring..
  • This AC current sensing switch is designed and manufactured to solve the AC current monitoring. It uses the principle of mutual inductance to sense the AC current through the AC, isolate the AC current, and output a normally closed switching signal to di.
  • Widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries requiring current monitoring.
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Zero Tolerance for Silence

  • One touch operation to setup up motion detector.
  • Option to adjust the sensitivity of the motion detector.
  • Full HD video recording if your device supports it.
  • Instant email with before and after pictures and text/SMS notification. Custom sender email option for complete privacy.
  • During monitoring and video recording device appears turned off.
  • Option to show a digital clock during monitoring.
  • Change launcher icon so the app is completely discreet.
  • Option to play alarm sound when motion detected.
  • Auto lock device/screen when motion detector is activated.
  • Choose internal or external SD card for storing videos. Supports Android Lollipop.
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