Profile: Process Control Systems, Inc. manufactures speed monitoring systems. We manufacture Maxigard™ brand industrial products designed to monitor belt conveyors, bucket elevators, screw conveyors, rotary feeders and other types of material handling & processing equipment to prove rotation or indicate loss of rotation. Our products include adjustable speed switches, zero speed switches, speed transmitters, tachometers, rotation direction switch, temperature monitors, elevator leg monitor and thermocouples & RTD's. Maxigard™ adjustable speed switches are used to detect the slowing of the fan shaft caused by the drive belt slipping. It indicates broken or slipping drive belts, detects over speed or under speed conditions of mechanical equipment, indicates mechanical failure, protects the mechanical equipment and reduces the down time.