The PB-IN-HF series is the flagship of the Takex range of infrared Photoelectric Beams. By synchronising 16 beam paths between Transmitter and Receiver, the PB-IN-HF series ensure maximum stability in Perimeter Protection - covering external distances up to 200m. Unique Double Modulated beams are combined with a specially designed external light compensation circuit to provide market leading tolerance against direct and reflected sunlight and vehicle headlights. Coupled with channel separation and environmental (anti-fog) circuitry, the PB-IN-HF series has earned worldwide recognition as the standard our rivals aspire to.