| GENERAL CHARACTERISTICS ITEM DESCRIPTION | DSENSING ELEMENT: PLATINUM RESISTANCE THERMOMETER; THERMOCOUPLE: PLATINUM/PLATINUM-10 PCT.RHODIUM,WITH ENCAPSULATED COLD JUNCTION; CAVITY: CONICAL,RECESSED 20 DEG,0.50 INCH DIA; CONTROL: SET PT.ADJUSTIBLE,ELECTRONIC PROPORTIONAL CONTROL; GONIOMETRIC PROPERTIES: THE SPECTRAL RADIANCE AT ANY VIEWING ANGLE WITHIN A 10 DEGREE CONE AROUND THE OPTIC AXIS SHALL BE WITHIN 2 PCT OFTHE SPECTRAL RADIANCE ALONG THE OPTICAL AXIS OF THE CAVITY WHEN VIEWED WITH AN OPTICAL SYSTEM FOCUSED ON THE CAVITY ENTRANCE APERTURE; TEMPERATURE: RANGE= 50 TO 1200 DEG C,STABILITY= 8 HRS PORM 0.50 DEG C OR BETTER LONGTERM,1 HR PORM 0.1 DEG C SHORTTERM,GRADIENTS= NONE GREATER THAN 0.2 DEG C,SOURCE HOUSING= 20 DEG C ABOVE AMBIENT MAX AT 1000 DEG C; EMISSIVITY: 0.99 PORM 0.01 IN THE 1.0 TO 15.0 MICROMETER REGION OF SPECTRUM; STANDARD APERTURES: 0.2000,0.1000,0.0500,0.0250,0.0125,(SELECTABLE WHEEL) DIA; CONTROLLER OUTPUT: 1000 WATTS MAX; POWER: 117 VAC PORM 10 PCT,50-60 HZ,8.0 AMPS MAX |