ReviewsAutomatic Doors Voltage Control

165Amps Mig Welder, Dual Voltage Mig Welding Machine, Mig/Stick/MMA/Lift TIG Welder Machine, Gas Gasless Flux Wire Core Welder (MTS-165D)

  • [Multiple welding mode]: MTS165D adopts dual-voltage(110/220V) design, which can automatically read and indicate after power-on. Using IGBT inverter technology, it has high output efficiency, good dynamic performance and good load adaptability. The welding machine is an integrated design welding machine for Stick/MMA/ARC Welding/Lift TIG/2T/4T..
  • [Synergic Function]: One intelligence control system automatic compensate and adjust current/voltage.10 levels precise adjustment from -5V to +5V, Coordinate control mig wire feeder’s speed and current, which makes the machine easy to heat arc and instantaneous Increase the current convenient for striking the arc..
  • [Smooth Arc]: This MIG welding machine can work in conjunction with hot arc and arc forces and achieve smooth arc. Internal pre - set splash less and anti - adhesion, makeing a better arc starting effect. Very friendly for green hand and DIY users..
  • [Automatic Protection Function]: Automatic voltage and current control, built-in energy-saving fan automatically regulates the temperature and prevents overheating and dust enter.VRD against electric shock design makes welding workers safer..
  • [Easy to Use]：Friendly operation interface, front panel detailed identification with precise digital display. Fr....
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Bindpo RF Logarithmic Detector, 1M-10000MHz AD8317 Radio Frequency Logarithmic Detector Power Meter, for RF Signal Power Detection/Radio Frequency Signal Detection

  • The product is designed by using AD8317 chip, and is used for RF signal power detection..
  • Can detect power in -55dBm to -0dBm of an RF signal, so that the RF signal is converted to DC voltage output..
  • The greater the amplitude or power of the RF signal, the higher the output voltage, and the output voltage is directly proportional to the logarithm of the input signal amplitude, thus expanding the dynamic range of the detected signal, which ranges reach 55dB..
  • It can be widely used in radio frequency signal detection, signal power measurement, environmental field strength detection..
  • It can also be used as part of automatic gain control and automatic level control..
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YWBL-WH Logarithmic Power Detector Meter AD8317 1M-10GHz 60dB RF Power Meter Logarithmic Detector Controller for Amplifier 50 Ohms

  • AD8317 CHIP---The logarithmic power detector is designed by using AD8317 chip, and is used for RF signal power detection.
  • -55dBm to 0dBm---The logarithmic power detector can detect power in -55dBm to 0dBm of an RF signal, so that the RF signal is converted to DC voltage output.
  • APPLICATION AREAS---The logarithmic power detector could be used for RF transmitter PA set point control and level monitoring.
  • Power monitoring in a radio line transmitter.
  • RSSI measurements in base stations, WLAN, WiMAX, and radar.
  • 55dB---The greater the amplitude or power of the RF signal, the higher the output voltage, and the output voltage is directly proportional to the logarithm of the input signal amplitude, thus expanding the dynamic range of the detected signal, which ranges reach 55dB.
  • WIDE APPLICATION---The logarithmic power detector could be widely used radio frequency signal detection, signal power measurement, environmental field strength detection, or as a part of automatic gain control and automatic level control.
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Screen Door Closer, TTZEZE Heavy Duty Automatic Door Closer, Safety Spring Door Closer for Storm Door, Steel Door Closer with Adjustable Closing Speed, Smooth and Quiet Door Closer for Hinge Door

  • Hight Quality Material - Light door closer is made of commercial grade stainless steel, spring operation, totally automatic closing, gives you a easy and safe life, protects your door and lock..
  • Wide Applications - Fire doors adjustable works with all types of medium doors, right and left opened doors, wood and metal doors, residential and commercial doors, exterior/interior door closer, fire doors..
  • Automatic Adjustable Closing Speed - Easily adjust the tension on this safety spring door closer. Use these door closers to convert hinged doors to self-closing ones to help you control the speed of closing door and protect your door lock.Gives you a easy and safe life..
  • Easy to Install - Six different colors to suit your choice. With a closer and stainless steel holder being surface mounted, including installing hardware, installation is simple and you can do it quickly..
  • Perfect Service - If you do not satisfy with our item or if you have any questions, please contact us. We would work out satisfactory solution to your problems, money back or replace new. Customer satisfaction is our goal, so please rest assured to buy!.
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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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SSR-100DD Solid State Relay DC-DC 100A 3-32V DC/5-60V Solid State Module

  • Solid state relay ideal for automatic process control application, a must component for temperature controller and other machinery control system..
  • Operating Voltage:5~60V DC. Control Voltage:3-32V DC.
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Variable Gain Amplifier Module Shielding Shell Squaring Law Detector Stable Performance

  • Voltage Range: The analog gain control voltage range is 50mV ~950mV, and the control sensitivity is 20mV/dB.
  • Two Modes: Positive gain mode, MODE terminal connected to high level, and negative gain mode, MODE terminal connected to low level.
  • Shielding Shell: The module has a shielding shell and anti reverse connection protection diode.
  • Squaring Law Detector: Integrated squaring law detector, can also work in automatic gain control mode.
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ATO Phase Voltage Monitoring Sequence Relay 1 Phase Voltage Protection Relay Under Over Voltage with 1 CO + 1 NC Contacts AC/DC 24-48V

  • 【Measuring Circuit】Phase sequence protection relay is compatible with AC and DC supply, the rated voltage is AC/DC 24-48V.
  • 【High-quality Product】LCD display indicating voltage, operation and fault status, adjustable reset mode: automatic/manual/automatic with power-on delay reset, fault recording for the lately 3 faults.
  • 【Mutiple Functions】Adjustable overvoltage and undervoltage threshold, independent adjustable delay time for over-voltage, under-voltage.
  • 【Output Contacts】Monitoring relay with 1 CO + 1 NC contacts, and the capacity is 6A, 250V AC (resistive load).
  • 【Wide Applications】Voltage monitoring sequence relay can be applied in equipment or devices from undervoltage and overvoltage in the applications like air compressors, electric motors, pumps, fans, air-conditioning system, blowers, elevators, cranes, refrigeration equipment, laser equipment, industrial control system, etc..
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AD8317 1M-10GHz 60dB RF Power Meter Logarithmic RF Signal Power Detector Controller for Amplifier

  • ...ogarithmic detector can be widely used in radio frequency signal detection, signal power measurement, and environmental field strength detection..
  • LOGARITHMIC POWER METER :The package contains 1 x logarithmic power meter, the size is 6.5*3.5cm/2.6*1.4in, and the weight is about 9g/0.3oz, which can be used as part of automatic gain control and automatic level control..
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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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Juried Engineering LM393AP LM393 Precision Dual Differential Comparator, Industrial Grade IC DIP-8 Breadboard-Friendly (Pack of 20)

  • The module is made of high‑quality components and processed with stable performance. It can be widely used in various voltage measurement and control applications..
  • The controller presets 5 different functions and can customize and add other specific functions according to the user's needs..
  • Increase the automatic power saving function, the user can set it autonomously. All setting parameters can be saved automatically, and the setting contents will not be lost when power is off..
  • The voltage monitoring module is a multi-function voltage monitoring controller that uses an industrial-grade microcontroller as the main control unit with a wide measurement range and high accuracy..
  • The user can set the upper voltage limit and the lower voltage limit. Measurement range is 0-100V DC, measurement accuracy +/-0.1V. Newly added 0-99.9 seconds delay pull and 0-99.9 seconds delay off function..
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