Line Isolation Monitors     Overview     Mark IV LIM     Mark V LIM     LIM-Connect™ Software     LIM Retrofit Kits     Overview Stop Nuisance Alarms in Your Operating Rooms! Do the LIMs in your operating rooms meet current NEC and NFPA requirements? Do your operating rooms have earlier style 2 Ma LIMs or even ground detectors? Are you having trouble finding replacement parts for your old LIMs? The Mark IV Line Isolation Monitor (LIM) represented a giant leap for the isolated power industry. Powered by a microprocessor chip, it allows for a number of improved performance features, ensures detailed accuracy, and provides your operating rooms with a reliable power monitoring system. The Mark V Line Isolation Monitor (LIM) is a major technological breakthrough. With it's improved functionality, including the on-board status display and PC interface, the Mark V is the most flexible LIM on the market today. LIM-Connect™ Software allows remote monitoring and control of every Line Isolation Monitor in your facility from any network accessible PC.