Profile: Altronic Research, Inc. is a manufacturer of broadcasting and communication products. We offer products such as water cooled co-axial load resistors, digital calorimetry, power test load systems, magnetic flow switches, fiber optic leak detectors, fiber optic interlock monitors, heat exchangers, air cooled resistors and loads. Our fiber optic interlock monitor is designed for use in high RF environments, and senses the presence of any liquid where sensors are installed to protect wave guides, co-axial lines, filters, combiners & dummy loads. Our Omegaline 5800 series self-contained heat exchangers combine the performance of the water cooled load with the quiet blower design of the air cooled series to provide terminations for 50-ohm co-axial transmission lines.