Who won: Radiation Tolerant Sensors

About this contract

The Authority has a requirement for sensors that are capable of operating safely and reliably within defined radiation exposed environments associated with nuclear operations. The requirement is driven by: ∙ Nuclear safety and operational assurance ∙ Asset integrity and reliability ∙ The need for predictable performance under radiation exposure The Authority’s need is outcome based and does not specify any particular manufacturer, brand, or proprietary solution. The Authority requires devices that have been independently tested to exceed a Dose of 1 x 106 Gray. The estimated requirement is for 1,224 Sensors with: ∙ 18mm diameter sensor – 18mm threaded barrel, to be supplied with 2 off M18 x 1mm locknuts ∙ Flush fitting ∙ NAMUR two wire Inductive Sensor - DC 2-wire, nom. 8.2 VDC, Output acc. to EN 60947-5-6 (NAMUR) ∙ Nominal Switching Distance 5mm - 10mm ∙ Sensor head length - Not to exceed 65mm ∙ Fitted electrical Lead (Not M12 connector) – Minimum lead length of 2 metres ∙ ATEX category II 1 G, Ex zone 0 ∙ ATEX category II 1 D, Ex zone 20 ∙ SIL2 (Low Demand Mode) acc. to IEC 61508, PL c acc. to ISO 13849-1 with HFT0 ∙ SIL3 (All Demand Mode) acc. to IEC 61508, PL e acc. to ISO 1384

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