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Southwest Microwave’s customers in the nuclear and military sectors have consistently been able to trust the quality, longevity and performance of our Hi-Rel detection technologies, which is why these sensors are specified for ultra high-security installations worldwide. - Gus Fitch, Technical Services Manager

High-Reliability Volumetric Microwave Sensors

Designed for use in the most security-sensitive applications, High-Reliability (Hi-Rel) Volumetric Microwave Sensors couple Southwest Microwave’s field-proven microwave detection performance with comprehensive temperature testing and ruggedized componentry to maximize resistance to harsh environmental conditions and physical tampering.

Hi-Rel microwave options include a wide range of X and K-band bistatic transmitter/receiver links and monostatic transceivers. Available dual, triple and quad stack configurations make these sensors ideal for the fortification of high security installations such as nuclear power plants, government laboratories and military installations.

Hi-Rel models have an extended burn-in cycle of 5 days at 125° F (52° C) and are fully temperature tested from -40° to 150° F (-40° to 66° C), which maximizes reliability. Testing documentation is recorded and retained on file at Southwest Microwave company headquarters.

Heavy duty, position-locking non-corrosive mounting brackets made of anodized aluminum and stainless steel are supplied with all Hi-Rel sensors. Once each unit has been mounted and aligned, four jack screws lock the radome in place and prevent it from being moved due to incidental contact.

All Hi-Rel sensors include conformal-coated circuit boards for immunity to moisture and epoxy-coated baseplates to resist corrosion. Hi-Rel microwave links are fitted with RFI/EMI shielded radomes that enclose sensor electronics and terminal strip wiring, preventing external radio frequency or electromagnetic interference from penetrating sensor electronics and affecting detection performance. Digital Hi-Rel models include additional EMI/RFI shielding on sensor circuit board.

Visit our Microwave Sensors page to obtain comprehensive product information and specifications for our complete range of volumetric microwave sensors.