Door closers are used in commercial and public buildings and used around the home. It is used to keep a door closed to limit the spread of fire and draught throughout a building. There are many different types of door closer ranging from the simplest gate spring up to the more industrial floor springs.
Door Frame Metal Detector is designed to detect both ferrous and non-ferrous metals, which is passed through the aperture vicinity in any conceivable manner. This metal detector is highly sensitive and is used in the jewellery manufacturing units & other various manufacturing units to protect the various unavoidable pilfering activities. This metal detector is ideal for customs, factories and all high security sites. This metal detector has a phase sensitive detection circuits, which allows the user to enhance the sensitivity for certain group of metals. They feature maximum target discrimination, automatic balance, low power consumption and instant recovery on detection.