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<br />.1 <br /> <br />. <br /> <br />..." <br /> <br />SO~ <br /> <br />t' <br />. . <br /> <br />Physical and Perfonnance Specifications <br />, I <br />I <br />1. The camera shall be a thermal imaging system capable of imaging infrarl:d <br />radiation in the 8 to 14 miPron spectral wave-length and have been <br />specifically designed for use in the firefighting enviromnenI. <br /> <br />2. The camera shall be hand-hel~ and portable allowing it to be passed :frc In on ~ <br />firefighter to another withp1 a fire environment without doffing any artic Ie of <br />personal protective equipment. <br /> <br />3. The camera's viewfinder must incorporate a "straight-through'" line Of5ight i 1 <br />order to enable the camer~ to be used to visualize the user's footing ane <br />surrounding environment While ascending and descendin,g stair steps or ladd~ r: <br />I <br />~gs. i <br />I <br />4. The camera shall use a solid-state focal plane array infrared ~r. <br />! <br /> <br />5. League City Fire DepartIIj1ent has selected the measurement ofNETD r lther <br />than MRTD to measure ahd certi1Y a camera's sensitivity to infrared or <br />thermal radiation. The maximum NEro specification acceptable shaill ~ 70 <br />mK. <br /> <br />I <br />6. The camera shall weigh np mOre than 5 pounds <br /> <br />7. The camera shall be equipped with an automatically activated aperture .'T iri: <br />that senses sensor in:frare~ overload and adjusts the camera's sensitivit~ <br />accordingly to ensure high image quality in extreme heat environments The' <br />automatic operation shall be controlled by on-board systems and shall lie ful: 'f <br />automatic requiring no input or adjustments from the firefighter using [ 'le <br />equipment. ! <br /> <br />The automatic aperture dr iris in the camero sball incorporate not more than <br />two ,moving metal leaves ithat are inherently designed to maintain the <br />jirefighter vision and safety in the event of a mechanical or electrical in , <br />fuilure by defaulting to thb open position. <br />I <br /> <br />The camera. will operate ~n Nickel Cadmium rechargeable batteries wi1 h a <br />miniJnwn of 3 hours operations time per charge or Nickel Metal Hydril ~e <br />rechargeable batteries with a rninimwn of 41/2 hours operating time pc r <br />charge or disposable AA!type alkaline batteries. <br /> <br />8, <br /> <br />9. <br /> <br />.. <br /> <br />10. <br /> <br />I <br />The camera will be supplied with two (2) NiMH batteries and one (1) \A t) pc <br />alkal,ine battery adapter. ! <br /> <br />11. <br /> <br />The camera will be supp~ed with a NiMH battery charger. The charge'. will. >e <br />equipped with the ability!to operate on either AC or DC power. <br />! <br /> <br />10 <br /> <br />'a'd XlIJ 311~V31 <br /> <br />Lt~L~~~tg~ l~d tt:LO ~O/tt/SO <br />