Lock Technology

Jul 1, 1998 12:00 PM, AC&SSI Staff

           

Easy programming of 20 individual user codes is a feature of the PRO5100 cylindrical and PRO5500 mortise-style, microprocessor-controlled electromechanical locks, according to maker Locknetics Security Engineering, Forestville, Conn. Users can be added or deleted at the lock. The capability to store 150 individual user codes is optional. The stand-alone design requires no additional wiring and is installed in cylindrical or mortise lock preps with minor modifications. Both locks feature the TorqDefender clutch-controlled outside lever - if vandals attempt to break the lever, it swings freely without damage while the door remains locked, according to the manufacturer. PRO-Line locks use fewer moving parts than conventional mechanical locksets, says the maker; internal parts are made of stainless steel.

An all-metal, non-latching, UL-listed exit sensor bar, model 6450, has been designed to release electric locks when activated by touch or ADA devices. Manufactured by DynaLock Corp., Forestville, Conn., the bar uses optical sensors that eliminate complicated tune-in and call backs for adjustments, says the maker. The metal construction, which includes end-caps, resists impact and fire damage. DynaLock has also redesigned the Model 2011 electromechanical lock to feature four field-selectable voltages, 12 and 24v AC/DC. The UL-listed lock also features 1,200-pound holding force, modular electronics, adjustable mounting and a new, low-current option.

An integrated lock and proximity card reader unit unlocks and relocks automatically. The V Series is a stand-alone device that provides the benefits of a networked system, says maker Best Access Systems, Indianapolis. The device recordsthe last 1,000 events, including date, time, user number and type of event. Each user can be programmed for access to an unlimited number of doors, and access can be controlled by time zones. The battery-operated lock uses four AA batteries and employs Grade 1 cylindrical and mortise mechanical platforms.

A center- and top-latch exit device, the CTL, provides ease of access for the public and those with physical disabilities, according to maker Sargent Manufacturing, New Haven, Conn. The device uses traditional vertical rod latching at the top, and adds a mortise lock to secure the door at the center, providing three security points on double doors and two on single doors. The design eliminates problems associated with bottom rods and floor strikes such as damage to floors, wheelchairs and carts, says the maker.

The PowerLever Door Lock Series is a keyless, electronic access control door lock designed for stand-alone applications. Manufactured by Mas-Hamilton, Lexington, Ky., the locks permit management to control and monitor access to specific doors and prevent the public from accessing restricted areas. Depression of the handle causes a small internal generator to create the power to operate. The lock can be installed in a standard ANSI 156.2 cylindrical door prep application. The optional Windows-compatible software allows the system manager to save, print and manage user and audit data. Combined, the three models can control access for up to 96 users and retain 945 audit events. The locks are available in black, chrome or brass with an interchangeable or non-interchangeable keyway for a mechanical key override.

The Self Alignment Magnalock (SAM) does not require special electronics, timers or sensors to ensure position of the armature to lock the door, according to manufacturer Securitron Magnalock Corp., Sparks, Nev. The electromagnetic shear lock uses a conical button technology to guide the strike plate into the proper position, allowing it to be repowered instantly, eliminating the problem of diminished holding force from early strike plate capture. SAM can be installed vertically or horizontally and operates on 4 watts of 12 and 24v DC.

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