Top Threshold Detection Reviews

2 Sets Resistive Soil Moisture Sensor, Icstation Humidity Detector, with Corrosion Resistant Probe, Digital Analog Signal Output for Arduino Garden Automatic Watering System

  • 【Soil Moisture Meter】The probe uses analog resistance to detect the moisture content of the soil. It is a good plant helper to make you know if your plants are thirsty and it can also be used in the automatic watering system, garden, greenhouse, etc..
  • 【Easy to read】Digital value output,this soil moisture detector outputs a low level from the DO port when the detecting humidity reaches the threshold value. Good to work with Arduino/Raspberry Pi..
  • 【Adjustable Threshold】Clockwise/counter-clockwise rotate the blue potentiometer to increase/reduce the detection threshold. On-board power and signal indicators make you know the working status of the board at a glance at any time..
  • 【Analog Value Output】The AO port on the soil humidity sensor outputs an analog value(voltage), and you can acquire the real-time data via the AD port of your single-chip microcomputer(MCU)..
  • 【Corrosion Resistant Alloy Probe】A waterproof sensor probe with high corrosion resistance ensures a long lifetime of at least 6 months in the soil..
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Coliao 8pcs Microphone Sound Sensor KY-037 High Sensitivity Sound Voice Detection Module with Digital and Analog Output Sensors DIY Kit

  • Microphone sensor can be used to detect the sound intensity of ambient,with analog output and threshold level output flip.
  • Two outputs: AO, analog output, real-time output voltage signal of the microphone.
  • KY-037 high sensitivity sound microphone sensor detection module diy kit, good for PIC AVR.
  • Package includes: 8pcs sound detection sensor module.
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Seek Thermal CompactPRO – High Resolution Thermal Imaging Camera for iOS

  • Transform your smartphone or tablet into a high resolution thermal camera with a 320 x 240 thermal sensor for use on the jobsite, at home, and more..
  • Highly versatile cameras lets you see building problems invisible to the naked eye and find people and animals in complete darkness or low visibility. Detect energy loss, electrical and mechanical failures, water damage and hundreds more heat related issues..
  • Perfect tool for contractors, inspectors, outdoorsman, engineers, and DIY homeowners..
  • Does not require batteries or charging. Waterproof case included. Free Seek mobile app. 1,800 feet. Detection Distance.
  • SPECS: 320 x 240 Thermal Sensor, 32° Field of View, < 9 Hz Frame, Focusable Lens, -40F° to 626°F Detection, Captures Photos & Videos, Spot Temperature, High-Low Temperature, Threshold Mode, 9 Color Palettes, Auto & Adjustable Span/Level Control, 4 Emissivity Presets.
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Seek Thermal Compact - All-Purpose Thermal Imaging Camera for iOS , Black - LW-AAA

  • Transform your smartphone or tablet into an all-purpose thermal camera with a 206 x 156 thermal sensor for use at home, the jobsite, and more..
  • Find and fix faster by seeing problems invisible to the naked eye such as: energy loss, electrical and mechanical failures, water damage, and hundreds more heat related issues..
  • Perfect tool for DIY homeowners, contractors, builders, and engineers.1,000 ft. Detection Distance.
  • Does not require batteries or charging. Waterproof case included. Free Seek mobile app..
  • SPECS: 206 x 156 Thermal Sensor, 36° Field of View, 003c 9 Hz Frame Rate, Focusable Lens, -40F° to 626°F Detection Range, Captures Photos & Videos, Spot Temperature, High-Low Temperature, Threshold Mode, 9 Color Palettes..
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Hidden Camera Detectors - Anti Spy Detectors Bug Detectors Listening Device Detectors GPS Tracker Detectors - Bug Sweeper - RF Wireless Signal Scanner for Home Office Travel

  • 【Wide Frequency Range】 The detection frequency range is 1MHZ~6.5GHZ.
  • Is able to detect modern communications, including GSM, 3G, 4G, 5G, Bluetooth....
  • 【Adjustable sensitivity】 5-Levels adjustable threshold, Large range of frequency detection. 5-segment bargraph indicator Physical attenuator....
  • 【Portable & Easy to Use】With the antenna completely concealed inside this anti spy camera detector, the size is so small. It's very easy to carry.....
  • 【Professional Customer Support】Please contact us if you have any question or concern about our hidden camera detectors. We respond any question in....
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Anti-Spy Signal Detector GPS Signal Detector Spy Bug Camera Wireless Detector Spy Detector Device GPS RF Scanner Finder GSM Device Finder

  • Professional radio detection device, high sensitivity ,adjustable threshold ,large range of frequency detection.
  • Can detect High-speed upload GPS locator packet locator,Anti-Spy Signal Detector, Gps Signal Detecto,r Spy Bug Camera Wireless Detector, Spy....
  • can detect 1.2G/2.4G wireless camera,Can detect CDMA 4G signal,Wireless Detectors, GPS RF Scanner Finder.
  • can detect hidden 5.8GHZ wireless camera and Wireless eavesdropping,Super Anti-spy Bug GPS Camera RF Signal Detector Set GPS Tracker Wireless Camera....
  • Easy to use(only switch+sensitivity knob),Sound and light alarm indicator,accurate and reliable.
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Seek Thermal CT-AAA COMPACT XR-Outdoor Thermal Imaging Camera for Android USB-C

  • Transform your smartphone or tablet into an extended range, outdoor thermal camera with a 206 x 156 sensor and a narrow, 20º field-of-view lens.
  • "Find people and animals at dawn, dusk, and over long distances where visible light is limited. Extra range Detection increases your visual perception and awareness to improve personal safety. ".
  • "Perfect tool for the outdoors people, hunter, or anyone searching for people and animals ".
  • Does not require batteries or charging. Waterproof case included. Free seek mobile app..
  • "Specs: 206 x 156 thermal Sensor, 20° field of view, < 9 Hz frame rate, focusable lens, -40F° to 626°f detection range, captures photos & videos, spot temperature, high-low temperature, threshold mode, 9 Color palettes, auto mode only, auto emissivity ".
  • MANUAL FOCUS DIAL provides control and precision over your thermal imagery..
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Wattstopper W-500A Ultrasonic Ceiling Occupancy Sensor

  • Turns lights on and off based on occupancy to reduce energy costs.
  • Adjustable time delay from 15 seconds to 15 minutes. Automatic or manual-on operation when used with a BZ-150 Power Pack.
  • Hallway and 500, 1000 and 2000 square foot coverage available. Ideal for open office areas, conference rooms and restrooms.
  • Advanced Signal Processing (ASP) circuitry automatically adjusts detection threshold.
  • LightOutput 1FCD: Automatic On/OFF. Load: 1 Amp @ 24VDC/VAC. Special Features: Solid State, Crystal-controlled.
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Anysecu SF-103 A-SF103 Portable Frequency Counter 2MHz - 2.8GHz for Two Way Radio Upgrade Version of SF401

  • ... RF SIGNAL DETECTION -- Wireless surveillance cameras, tracking devices and 2G, 3G, 4G SIM card bugs, GSM listening devices, magnetic locator, bugs can be detected via RF radio frequency antenna. Users can adjust the signal sensitivity by knob according to actual needs. The threshold is adjustable, frequency detection range is large.
  • MAGNETIC SIGNAL DETECTION -- Can detect magnetic locators, hidden bugs and GPS trackers installed on convert place in your car with magnetic field probes. MAG mode must insert and tighten the magnetic probe, adjust the signal to the 4-6 grid balance point, the alarm sound will stop.
  • WIDE APPLICATIONS -- can be used to find hidden cameras and listener search in homes, offices, hotels, motels, bathrooms, locker rooms, business negotiations, confidential meetings, government agencies, and to find GPS tracker in car, or as a scanner for daily use to prevent sneak shots and monitor magnetic field signals. Stay vigilant for your partner, family, business, and provide privacy protection.
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BTFDREEM Hidden Camera Detectors and Bug Detector, Hidden Devices Detector, Anti Spy Detectors, Spy Camera Detector, RF Wireless Signal Scanner for Home Office Travel

  • 【Wide Frequency Range】 The detection frequency range is 1MHZ~6.5GHZ.
  • Is able to detect modern communications, including GSM, 3G, 4G, 5G, Bluetooth and Wi-Fi 2.4G and 5.8G; 2 working modes: Sound and Vibration. 5-Levels adjustable threshold,Large range of frequency detection..
  • 【Portable & Easy to Use】With the antenna completely concealed inside this anti spy camera detector, the size is so small. It's very easy to carry. And you can conduct a covert sweep, especially when sweeping in sensitive areas that have hidden spy cameras.It is convenient to protect your personal privacy and business information security..
  • 【Upgraded Smart Chip&User Friendly Operations】Device to find hidden camera ,designed with the advanced smart chip,is more technical in every function,but easier in using. Following the instructions step by step,this hidden camera finder will be a considerate helper for you..
  • 【Quality Service】BTFDREEM 's technical support team takes 7*24 online service, you can contact us with any questions and we will ....
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3 in 1 EMF Meter,EMF Reader,Electromagnetic Field Radiation Detector,EMF Tester for Home,EMF Detector with Sound Light Alarm,Ghost Hunting Equipmetent

  • ... 【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion.
  • 【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.
  • 【Hold data】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again.
  • 【Graphic display】LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radiation value is safe.
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Wi-Fi Water Level/Sump Monitor Sensor with Buzzer, email/Text Alerts - Proteus L5

  • Cloud enabled water/liquid level sensor. Get alerts when level crosses a set threshold. View live on cloud..
  • Connects to your home or office wifi. No hub or gateway required..
  • Ideal for water level monitoring, tank monitoring, basement sump pump water level detection.
  • Easy set up, with back mount power plugs directly into wall outlet.
  • Programmable alerts when water level goes above, or goes below set level..
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Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester

  • Triple displays of CO2 level, Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available).
  • Stable NDIR Sensor for CO2 Detection. Ideal indoor air quality meter for home, laboratories, hotels, etc.
  • Sound Warning Alarm notifies operator when CO2 levels reach or exceed a preset threshold.
  • Power Supplied by Battery (Included) or 9V Adaptor . Optional Software CD for PC Connection Online Logging is also possible..
  • Measuring Range:CO2: 0~9999ppm, Resolution : 1ppm,0.1°C/°F, 0.1%RH.
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