Reviews Liquid Level Alarming

Taidacent Non-Contact Liquid Level Sensor Externally Attached Liquid Induction Level Switch Water Level Switch (NPN Output(5-12V))

  • The intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break through the influence of the wall thickness of the container and realize the true non-contact detection of the liquid level in the closed container..
  • The liquid level sensor has intelligent liquid level reference adjustment and liquid level memory function, liquid level status display mode, which can realize multi-point series connection.
  • can support high and low level output, NPN, PNP signal output and RS485 communication interface output.
  • Open collector output mode, wide voltage range (5~24V), suitable for connecting various circuits and product applications(Please Choose the appropriate model for your usage)..
  • High stability, high sensitivity, strong interference capability, free from external electromagnetic interference, special treatment for power frequency interference and common mode interference, to be compatible with all 5~24V power adapters on the market..
  • Strong compatibility, through a variety of non-metallic containers, such as plastic, glass, ceramics and other containers, the sensing distance can reach 20mm.
  • liquid, powder, particles can be detected..
  • Open collector output mode, wide voltage range (5~24....
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VEVOR Laboratory Recirculating Chiller 7L Tank Refrigerated Circulator -20~100℃ Lab Circulating Bath PID Controller Laboratory Circulator with 7\ LCD Circulating Water Bath for Temperature Control

  • ...t cooling system and fluorine-free refrigeration technology, characterized by fast cooling speed and strong temperature stability. It has a perfect protection mechanism and a time-lapse closing function..
  • Intelligent PID Controller: Equipped with the microprocessor PID controller, the cooling circulating bath has an alarming device for temperature exceeding the upper or lower limit. The bounds can be preset on the LCD to ensure safety. Temperature range: -20~100℃/-4~212℉..
  • Second Thermostatic Field: The recirculating water chiller could establish the second thermostatic field by the external cycle. The liquid can also be discharged outside as a cooling or heating source to lower/raise other experimental vessels' temperature and expand use range..
  • Extensive Utilization: Extensively used in the chemical industry, biology engineering, etc., the chiller circulator provides users with a liquid environment to conduct constant temperature tests. It is also available as a heat/cold source for direct and auxiliary heating/cooling..
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Taidacent Non Contact Liquid Level Sensor Contactless Water Level Sensor Externally Attached Pipe Water Float Switch NPN Output Capacitive

  • The intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break through the influence of the wall thickness of the container and realize the true non-contact detection of the liquid level in the closed container..
  • The liquid level sensor (probe) is installed above and below the outer wall of the container to be tested (the high and low positions of the liquid level). The non-metallic container does not need to be opened, and the installation is simple and does not affect the production..
  • The liquid level of various toxic substances, strong acids, strong alkalis and various liquids in the high-pressure closed container can be detected..
  • The liquid to be tested is required to be electrically conductive, the contact surface is non-metal, and the pipe is easy to install and can be widely used..
  • NPN output: If there is induction, the output is low level.
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Taidacent Non Contact Liquid Level Sensor Contactless Water Tank Water Level Sensor for Tank Water Level Control with Low and High Level Output

  • The intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break through the influence of the wall thickness of the container and realize the true non-contact detection of the liquid level in the closed container..
  • The liquid level of various toxic substances, strong acids, strong alkalis and various liquids in the high-pressure closed container can be detected..
  • The liquid to be tested is required to be electrically conductive, the contact surface is non-metal, and the pipe is easy to install and can be widely used..
  • High and low level output: If there is induction, the output is high level.
  • no induction, the output is low level. Specially designed for non-metallic pipe liquid level detection.
  • You can adjust sensitivity: Remove the plastic cover of the sensors and turn the very small screw, clockwise decrease sensitivity, counter clockwise to increase the sensitivity..
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Halogen Leak Detector HLD-100+ Refrigerant Gas Leak Detector R134a R12 R22 R600a …

  • UPDATED：The sensitive elements adopt the advanced and reliable corona refrigerant sensor which has great sensitivity and excellent repeatability.(with 2 x Sensing Tip, 2 x C batteries).
  • LOW POWER CONSUMPTION：eight-bit microprocessor controller Dual-color LED indicator light with progressive and real time display Sensitivity adjustable seven level alarming indicated by LED display Modular sensor, convenient for maintenance Seven levels audible and visual alarm Auto reset testing when the detector is turned on Battery level indication..
  • HIGH ACCURACY：Response in 3 seconds, Warm up in 6 seconds. Max sensitivity for halogenated refrigerants: 0.11oz/yr. One extra spare sensing tip is included..
  • PORTABLE：Dual-color LED indicator light, with visual and clear display, smart and portable design is convenient for your mobile operation. When there is excessive refrigerant in the leak gas, this unit will automatically audio alarmed to effectively test the refrigerant leak.Adopt advanced..
  • BUY WITH CONFIDENCE：We've got your back with a 100% satisfaction guarantee. Reach out to us in case of any issues with your gas leak detector and we'll do all we can to make it right..
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Azmkoo Security Home Safe Lock Box, Steel Safe Box, Black - 0.77 Cubic Feet

  • Home Safe: Perfect for storing important documents, jewelry, and other valuables.
  • Programmable electronic keypad ensures secure, easy operation.
  • Removable Shelf：The removable shelf allows you to layerly place items, and also create more space to accommodate higher item..
  • Digital Lock With Manual Override：Digital lock plus key setting will provide double safe for your valuables. The password can be changed indefinitely..
  • Sound alarming system: Three- incorrect entries can activate the alarm system. Unless you enter the correct code, the alarm will lasting 60 seconds with “beep” sound..
  • Great for Home, Hotel, Office: The safe with an extremely high level of anti-theft function, the well-designed cabinet and classic colors will perfectly match the decoration style of your home, hotel or office, becoming one of your stylish furniture..
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Motion Sensor Light Control – Outlet Plug-in Controller Turns On Indoor Lights When Movement Is Detected – LED Compatible, Ideal For Dark Rooms, Hallways –25ft Detection, 100 Degree Zone, MLC4BC

  • Intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break the influence of container wall thickness and achieve a true non-level Contact detection..
  • Non-contact liquid level sensor is not afraid of affecting water quality, does not need regular cleaning, long service life.
  • The liquid level sensor can detect the level of various toxic substances, strong acids, strong alkalis and various liquids in high-pressure closed containers, has no special requirements on the material of the liquid medium and the cont.
  • The liquid level sensor has instruction, please find on the product information..
  • Brown wire : VCC(DC 5-12V connects power positive) Yellow wire:OUT( signal output) Blue wire: GND(connects power negative) Black wire:M(mode of NO/NC).
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Icstation Non-Contact Liquid Level Sensor Switch NPN Output I65 Waterproof Pipe Level Sensor Y26 Water Detector DC 5-12V 5mA 500ms

  • It is applicable to non-metal outer wall, not necessary to directly contact with liquid, so that it can avoid liquid corrosion of strong acid or alkali, or the influence by scale or other impurities..
  • Intelligent liquid level benchmark adjustment and liquid level memory function. It can achieve multi-point serial connection and support NPN output..
  • Accurate and stable detection, it can detect boiling water liquid surface. With pure electronic structure and non-mechanical operation way, it has stable performance and long life..
  • High stability, high sensitivity, strong anti-interference capacity. it will not be affected by power frequency interference and common mode interference due to special disposals so as to compatible with 5-12V power adapter..
  • Strong compatibility, and it can penetrate into non-metal tube, such as plastic, glass, ceramic etc. Its sensing tube wall thickness can be up to 20mm and it is applicable to different shapes of container or tube level's liquid level detection..
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Phosooy Ultrasonic Animal Repeller, 360 Degree Solar Powered Rodent Repeller with Motion, Repel Dogs, Wild Cat, Raccoon, Rabbit, Deer & More

  • ...cat, deer, raccoon and other animals away. It doesn't work on domestic cat, squirrel or fox..
  • SOUND/ULTRASONIC MODE: When the PIR detects animal's motion and triggers, the white strong led lights (and at sunless day or night, the blue light also) flash, the horn emits ultrasonic waves in frequency of 15KHZ~50KHZ and alarming sounds. If the sound bothers you, you can turn off the alarming sound by pressing the SOUND button shortly and then green indicator goes off..
  • 2 WAYS FOR POWER SUPPLY: Phosooy ultrasonic animal repeller is equipped with solar panel as the power supply, and it also supports being charged with USB cable, so that it costs low and produces no pollution. Before the first use, please charge the product under sunshine for 12 hours, or charge with USB cable for 6 hours..
  • HARMLESS & HUMANE: Ultrasonic waves cannot be heard by human, so only animals will be influenced. It is designed to drive animals away with ultrasounds, alarming and strong lights. No chemical and no injury which is very humane and ideal for people who bothered by animals but do not wanna hurt them..
  • EASY TO USE: Only simple connection is required for installation. Place Phosooy ultrasonic animal repeller directly into the proper position where the light touches. And wh....
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Liquid Level Sensor，Wireless Ultrasonic Tank Liquid Depth Level Meter Ultrasonic Level Gauge Water Tank Level Gauge with Temperature Display

  • 【PREMIUM QUALITY&CONVENIENT TO USE】This liquid level sensor adopts of anti-corrosion material,excellent anti-corrosion performance and durable.Anti blocking design,easy to clean.This meter monitors tank liquid depth level, and displays on a 10-element LCD bar graph.Displays indoor temperature (℉ or ℃) and tank temperature (℉ or ℃) at the same time..
  • 【PRODUCT PARAMETERS】 Indoor Temperature Range: 0~60℃.
  • Transmission Range: 100 meters(300 feet)in open area..
  • 【DETECTION FUNCTION】The ultrasonic level gauge transmits wirelessly within 100 meters of an open area. It can detect the height of the page in the tank, the temperature in the relevant area, the over-limit alarm in the tank, and record the minimum/maximum value of the tank body level..
  • 【HIGHLY ACCURATE】High stability, high sensitivity non contact liquid level sensor , strong anti-interference ability, free from external electromagnetic interference, special treatment for power frequency interference and common mode interference, to be compatible with 5V power adapters on the market..
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