Reviews Automatic Doors Frequency Control

MINELAB Gold Monster 1000 Detector Bundle w/PRO Gold Gold Panning Kit

  • The Minelab GOLD MONSTER 1000 Easy-to-Use High Performance Metal Detector features fully automatic operation and comes with a choice of coils, battery options and shaft configurations. If you're looking for super sensitive gold performance at a great price, then this is the detector you've been waiting for!.
  • An 18 kHz detector will normally have a depth advantage on nuggets ≥ 1.0g over a basic mid-frequency detector, and a 71 kHz detector will have a depth advantage on nuggets ≤ 0.1g. The advanced GOLD MONSTER 1000 uses an intermediate 45 kHz frequency AND a high speed 24-bit signal processor. This primary combination greatly boosts sensitivity to gold beyond that of other single frequency VLF detectors over a wide range of nugget sizes, without introducing excess noise and false signals..
  • Features: Fully automatic operation, Extra sensitive 45 kHz VLF performance, Highly adaptable, 2 search coils included, Easy quick start, Automatic noise cancel, Digital electronics, Auto ground balance, Faster processor, Automatic sensitivity.
  • Specification: Key Technology: Ultra-wide dynamic range 45kHz VLF, Detect Modes: Gold (Iron reject), Deep All-Metal, Discrimination: Gold Chance Indicator (high/low), Ground Balance: Automatic (Easy-Trak), Noise Cancel: Aut....
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Baomain Capacitance Proximity Sensor Switch LJC18A3-B-Z/BY PNP NO DC 10-30V 200mA 1-10mm

  • Test objects: metal, and non-metal such as plastic, glass, water, oil, etc..
  • Can also be used in frequency counters, frequency pulse generator, liquid level control and processing procedures for the automatic convergence..
  • It is a component widely used in automatic control industry for detecting, controlling, and non-contact switching..
  • The detection distance varies with the conductivity, dielectric constant, water absorption rate and volume of the tested body, and a large detection distance can be obtained for the grounded metal..
  • When proximity switch is close to some target object, it will send out control signal..
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Comimark 3Pcs TL-W5MC1 5mm 3 Wire Inductive Proximity Sensor Detection Switch NPN DC 6-36V

  • Over-current and short circuit protection,With LED indicator, easily identifiable..
  • Widely used in automatic control industry for detecting, controlling, and noncontact switching. When proximity switch is close to some target object, it will send out control signal.
  • The Proximity Sensor Switch is used for testing parts such as size and speed can also be used in frequency counters, frequency pulse generator, liquid level control and processing procedures for the automatic convergence..
  • Package included: 3 x TL-W5MC1 5mm Inductive Proximity Sensor Detection Switch.
  • If You Are Not Satisfied with Your Purchase for Any Reason, Please Feel Free To Contact Us at the Buyer Center or Support Email, 24/7 Quick Reply..
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Vensans Capacitive Proximity Sensor Switch, LJC18A3-B-Z/AX Capacitive Proximity Sensor Switch 3 Wires NPN NC

  • 【Product Usage】Metal shell. It is a component widely used in automatic control industry for detecting, controlling, and non-contact switching..
  • 【Basic Function 】When proximity switch is close to some target object, it will send out control signal..
  • 【Widely Use】The Proximity Sensor Switch is used for testing parts such as size and speed. Test objects: metal, and non-metal such as plastic, glass, water, oil, etc..
  • 【Perfect Accessory】Also be used in frequency counters, frequency pulse generator, liquid level control and processing procedures for the automatic convergence..
  • 【Operating Instructions】The detection distance varies with the conductivity, dielectric constant, water absorption rate and volume of the tested body, and a large detection distance can be obtained for the grounded metal..
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1-600MHz RF Signal Power Meter Logarithmic Detector -74dBm to 18dBm Radio Frequency Detection

  • The detector is is used for RF signal power detection of frequency range between 1MHZ and 600MHZ.
  • It can detect a rf signal of power from -74dBm to 18dBm, and convert the RF signal into a DC voltage output.
  • The higher radio frequency signal range or power is, the higher output voltage will be.
  • output voltage is proportional to logarithm of input signal range.
  • Widely used for RF signal detection, signal power measurement, environment field strength detection, can also be used as a part of automatic gain control and automatic level control.
  • It can be made into 1mw ~ 1kw RF power meter after appropriate transformation.
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AD8317 Logarithmic Detector, RF Log Detector Logarithmic Detector, Logarithmic Detector RF Signal Log Output Power Meter 1M-10000MHz Controller

  • [Main function]: This logarithmic detector is designed for ADI's AD8317 chip and is used for RF signal power detection..
  • [Detection frequency range]: The detection frequency range of the logarithmic detector is 1M-10GHz, and it can detect RF signals with a power of -55dBm to -0dBm, and convert the RF signal into a DC voltage output..
  • [Excellent performance]: The greater the RF signal amplitude or power, the higher the output voltage, and the output voltage is proportional to the logarithm of the input signal amplitude, which will expand the dynamic range of the detected signal by 55dB..
  • [Wide use]: The logarithmic detector is widely used in radio frequency signal detection, signal power measurement, environmental field strength detection, and can also be used as a component of automatic gain control and automatic level control..
  • [Stable and durable]: This logarithmic detector can withstand high and low temperatures, is stable and durable, with a temperature measurement range of 0°C to 1024°C, and a converter temperature resolution of 0.25°C..
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Automatic Air Freshener Dispenser Wall Mount / Free Standing Fragrance Dispenser Programmable Auto Aerosol Spray Dispenser for Indoor, Bedroom, Hotel, Office, Commercial Place (Silver)

  • AIR FRESHENERS AUTOMATIC SPRAY: automatic air freshener brings you the fragrant air automatic by timer. You can set the fragrance frequency from 5, 10, 20, 30minutes. Interval spray time and working mode can be chosen at your preferred fragrance level.
  • working mode can be easily set to your desired fragrance delivery frequency chosen from DAY/MTE/24H. Interval spraying time and working mode can be programmed according to your needs to control costs..
  • AUTOMATIC SPRAY REFILL: automatic air freshener spray dispenser matches the international standard size automatic spray refill (5.89oz~6.2oz). You can get suitable perfume refills for free on Amazon or your local store. Choose the scent you like and let our automatic spray dispenser complete the job of keeping the air fresh in the space. （Note: please reset the automatic pressing lever before use, otherwise the refill cannot be ​installed.）.
  • BATTERY-POWERED AUTOMATIC SPRAYER: the air freshener spray automatic requires 2 D-type batteries (not included) to bring lasting fragrance to your bedroom, bathroom, living room, guest room, office, beauty center, gym, etc. It is also equipped with mounting screw accessories and nail-free stickers for easy installation. Detailed instructions make setup and operat....
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Door Closer Automatic Adjustable Closers Spring Hydraulic Auto Door-Closer with Easy Installation Life Size Fitting Template & Instructions (Black)

  • 【NO SLAMMING ANYMORE】: Still bothered by constant door slamming when someone leaves? Come to us and get the best automatic door closer you can find online to solve this issue! With our door closers residential, you can enjoy automatic door closing and latching while maintaining quiet and secure moments every day..
  • 【EXQUISITE QUALITY】: Our automatic door closer is made of quality aluminum alloy, which makes it stable and durable. This storm door closer is easy to install, silent and smooth, totally automatic and speed adjustable. Easy and simple fitting helps to save your time and shows a better performance. The lever of the door closer rotates flexibly as well..
  • 【WIDE APPLICATION】 - Our door closers commercial are commonly designed for heavy doors weighing between 40-65kg (88lb-143lb). Door width 60-90cm (23.62" -35.43"). Door opening range: maximum 150º. The door slam stopper can work with different types of medium doors whether wood or steel, residential or commercial. You need a door closer that can suit the dimensions of your door..
  • 【FLEXIBLE ADJUSTMENT】 - 2 independent adjustment control valves of our automatic door closer to suit your needs.. With them at your fingertip, you can control both door latching speed and the closing spe....
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SainSmart 1 Axis CNC Servo Stepper Motor Motion Programmable Controller

  • can achieve a variety of complex operation: positioning control and non-positioning control.
  • Display digits: 8 digital display, manual / automatic status display, run / stop status display, the number of steps / counts / procedures display,....
  • Autorun feature: You can edit, you can control the start and stop automatically run through the panel buttons and processing and other operations at....
  • Manual operation functions: position adjustments (manual jog speed and jog the number of steps can be set).
  • Operating state: Autorun mode, manual operation, the program edit mode, parameter setting status.
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GoControl/Linear GD00Z-4 Z-Wave Garage Door Opener Remote Controller, Small, Black

  • Go Control z-wave products provide up to 100 feet range between the wireless controller and/or the closest z-wave device.
  • Nortek security & control/Go Control has been providing best-in-class home & business control solutions for over 50-years and is a leading worldwide mfg. . of z-wave products.
  • Garage door position sensor frequency: 345 MHz.
  • This product requires the use and pre-installation of a Z wave HUB..
  • Add Z-Wave control to your current garage door opener. Compatible with virtually any automatic garage opener w-sectional garage door.
  • Linear Z-Wave products provide up to 100 feet range between the wireless controller and/or the closest Z-Wave device.
  • Provides both audible and visual warnings prior to door movement.
  • Linear has been providing best-in-class home & business control solutions for over 50-years and is a leading worldwide mfg.. of Z-Wave products.
  • Specifications - Power: 120VAC, 50/60 Hz, Garage door position sensor frequency: 345 MHz, Z-Wave Frequency: 908.42 MHz.
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Flysky FS-GT3B 3Ch GT3B RC Transmitter and Receiver 2.4Ghz RC Car Remote Controller with 3 Channal GR3E Radio Receiver for RC Car Boat Rc Trail Crawler Truck

  • 【Used For】FlySky GT3B Radio Transmitter Remote Controller with GR3E receiver perfect used for rc car, rc truck, rc crawlers, and rc boat..
  • 【RC Transmitter and Receiver】Adopts AFHDS (Automatic Frequency Hopping Digital System). Super active and passive anti-jamming capabilities. Very low power consumption and stable performance. LCD screen display..
  • 【Great Anti-jamming】Working frequency between 2.40GHz-2.4835GHz has been divided into 160 frequency points, each system uses 16 points and 160 hopping frequency to avoid frequency jamming..
  • 【Remote Control Range】 Stable control your model 100 ～ 200m (ground), good works of out of control protection. Let the beginners can control the car or boat easily!.
  • 【Packing List】 1*FS-GT3B Transmitter, 1*GR3E Receiver, 1*Decoder, 1*Instructions. Any question please contact us feel free..
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TEHAUX 3pcs Punch-Free Door Closer Multifunction Residential Sliding Screen Door Closer

  • SLIDING SCREEN DOOR CLOSER AUTOMATIC--Suitable for screen doors, sliding doors, invisible doors, glass doors, office doors, etc..
  • DOOR CLOSER FOR HOME--- [Wide Application] The multifunctional automatic door closer is suitable for doors or doors with stronger closing. For example: screen doors, sliding double doors, security doors, aluminum alloy glass doors, iron doors, office doors, interior doors..
  • SELF CLOSING DOOR--The installation method is simple and easy to operate, punch-free adhesive installation..
  • AUTOMATIC DOOR CLOSERS--- [Punch- Free Easy to Install] The automatic door closer is punch- free and adopt adhesive installation, good firmness, does not damage the wall, easy installation an high- temperature resistance..
  • WIRE ROPE DOOR CLOSSER-- Anti- oxidation,, stable, wear- resistant, small size and space- saving, and safe..
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VEVOR Automatic Door Opener, 100-240V for Max.220lbs Doors, Swing Door Operator for Disabilities w/ 2 Wireless Remotes, 2 Exit Buttons, Keypad, 5 ID Cards, 2 Stainless Steel Push Buttons, CE Listed

  • Intelligent Door Opener: Our energy-saving automatic door opener adopts the wide voltage technique, workable with input voltages of AC100V to AC240V, ensuring sufficient power and security. It will re-open the door if it senses an object in the closing path and it's CE approved..
  • Automatically and Manually: The automatic mode is equipped with sensitive 2.4G wireless communication technology, the swing door operator provides high-frequency consistency and stability between the transceiver. You can also choose methods from the devices we provided: 2 exit buttons, 2 pushbuttons, a keypad, and 5 ID cards. In manual mode, the door opens with slight pressure and closes slowly, convenient for the disabled..
  • Wireless Controller: You will get a wireless controller to switch the status of the handicap door opener to fit your requirements. The 4 modes are automatic, manual, resetting mode, and hold-open. Note: The 315 MHz remote control can reach a distance of 33 ft (10 m)..
  • Easy Installation: We provide a kit with complete accessories and detailed instructions for quick installation. You should choose the right doors for perfect use. Suitable door width: 21.6-47 in (550-1200 mm).
  • max. door weight: 220 lbs (100 kg). Please ....
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