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[{"$nulls":28},"80/880 H or V, 580,5880 H or V, 480/4880 H or V, 585/5885 H or V Supply Grille"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},40,"Inches",{"$nulls":11},"Area '( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",0.77,null,null," - ",null,"based on","Models 300R, 300F, 301R, &301F Supply"]
[null,"Enter Duct Height in inches =",{"$nulls":6},10,"Inches",{"$nulls":11},2.7777777777777777,2.521267361111111,0.75]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":6},900,"CFM"]
[null,"Enter Maximum Air Flow =",{"$nulls":6},2195,"CFM",{"$nulls":16},"Throw Zones"]
[{"$nulls":27},"c(ii)","c(iii)","c(iv)"]
[{"$nulls":26},"0 Degrees",1.8,5,13]
[null,"800 / 5800 H or V Supply Grille",{"$nulls":24},"22.5 Degrees",1.395,3.875,10.075]
[null,null,null,"IP Data",{"$nulls":22},"45 Degrees",0.81,2.25,5.85]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°"]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB"]
[null,"in","ft²","FPM","CFM","\"WG","ft","\"WG","ft","\"WG","ft",null,2,3,4,5,6,7,{"$nulls":8},"Pressure Constants",null,null,null," "]
[null,null,null,356.9633327595111,900,0.021515145603889157,"22 - 32 - 55",0.0295783601717467,"17 - 25 - 43",0.03764157473960424,"10 - 15 - 25",10.76083039288104,39.78717728676996,27.60560629232872,28.83520467306848,13.497131471807041," - "," - ",{"$nulls":9},"m","b",null," "," "]
[null,null,null,421.16715441556204,1061.875,0.02995063696727046,"25 - 38 - 60",0.04117521414454291,"20 - 30 - 46",0.052399791321815346,"11 - 17 - 27",15.702077094050473,43.64126749338463,32.14687386035369,33.29620840821248,19.732322194820444," - "," - ",{"$nulls":8},"0 Degrees",0,2.7083333333333326]
[null,null,null,485.37097607161303,1223.75,0.039778159081283036,"29 - 44 - 64",0.054685789161591586,"23 - 34 - 50",0.06959341924190013,"13 - 20 - 29",19.94086933251193,46.94745490763826,36.04254855224177,37.123029684673085,25.081109583999183,12.080356583500748," - ",{"$nulls":8},"22.5 Degrees",0,3.723333333333333]
[null,40,null,549.574797727664,1385.625,0.05099771194592687,"33 - 48 - 68",0.07011008522289272,"26 - 38 - 53",0.08922245849985855,"15 - 22 - 31",23.65229659099446,49.842306412643055,39.45354688107277,40.47374092499378,29.764433087307044,18.210554025155876,12.441736884768932,{"$nulls":8},"45 Degrees",0,4.738333333333333]
[null,"x",2.7777777777777777,613.778619383715,1547.5,0.06360929556120197,"37 - 51 - 72",0.0874481023284463,"29 - 40 - 56",0.11128690909569063,"17 - 23 - 33",26.95318111119328,52.41694141304761,42.48723467768228,43.453810341564505,33.92970670807391,23.66265437137024,18.04714278870573,{"$nulls":14},"Coefficients from 880 New Sound Regression..xls"]
[null,10,null,677.9824410397658,1709.375,0.0776129099271083,"41 - 54 - 76",0.1066998404782523,"32 - 42 - 59",0.1357867710293963,"18 - 24 - 34",29.92536933840025,54.735198774288605,45.218833162551775,46.13712967066893,37.680209684770986,28.571844124422615,23.09437220083736,{"$nulls":8},"Sound",{"$nulls":6},"2","3","4","5","6","7","NC"]
[null,null,null,742.1862626958168,1871.25,0.09300855504364589,"45 - 56 - 80",0.12786529967231075,"35 - 44 - 62",0.1627220443009756,"20 - 25 - 36",32.62843560897266,56.84354548743248,47.703094307794245,48.57748318034321,41.09111684105092,33.036522746000216,27.684591440281157,{"$nulls":10},"B","CVn","CAn",null,"M(An)",9.732037858594214,9.732037858594222,9.73203785859422,9.732037858594229,9.73203785859424,9.435504715179798]
[null,null,null,806.3900843518678,2033.125,0.10979623091081477,"48 - 59 - 83",0.15094447991062168,"37 - 45 - 64",0.19209272891042858,"22 - 26 - 37",35.10709527480753,58.776858782914005,49.981113891387096,50.81524030848321,44.218852954745344,37.13054698088375,31.893734001828296,{"$nulls":8},"0 deg",null,-167.6,68.79,9.6,null,"M(Vn)",53.65505536290635,63.22165536290803,62.10425536290874,86.80375536290886,113.62105536291052,116.81592305706788]
[null,null,null,870.5939060079187,2195,0.12797593752861486,"50 - 61 - 86",0.17593738119318503,"39 - 47 - 67",0.22389882485775517,"22 - 27 - 39",37.395769114280135,60.56198629511836,52.08452643270475,52.881476455728674,47.106852432388465,40.910769935126595,35.78025162262428,{"$nulls":14},"B",-101.19017272305152,-137.7916727230564,-133.7097727230585,-212.09637272305886,-297.1303727230637,-311.6532129957984]
[]
[null,"1) Throw values are given for terminal velocities of 150, 100, and 50 fpm, Isothermal Conditions"]
[null,"2) NC values are based on octave band 2 - 7 sound power levels minus a room absorption of 10dB, re 1.0 E-12 watts."]
[null,"Sound data is based on 0° blade deflection. A setting of 22.5° and 45° increase sound by "]
[null,"4 or 9 dB/NC respectively.  Dash (-) in space denotes an NC or dB value of less than 10."]
[null,"3) When selecting larger supply grilles for cooling purposes, account for drop by referring to the Engineering Guidelines."]
[null,"4) See K-Select program for performance data not shown, including octave band data."]
[]
[null,"800 / 5800 H or V Supply Grille"]
[null,null,null,"Metric Data"]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°"]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB"]
[null,"mm","m²","m/s","L/s","Pa","m","Pa","m","Pa","m",null,2,3,4,5,6,7]
[null,null,null,1.8133737304183166,424.75266,5.3572712553684,"6.5 - 9.8 - 16.8",7.365011682764929,"5.1 - 7.6 - 13.0",9.372752110161457,"2.9 - 4.4 - 7.5",10.76083039288104,39.78717728676996,27.60560629232872,28.83520467306848,13.497131471807041," - "," - "]
[null,null,null,2.139529144431055,501.14914537500005,7.457708604850345,"7.7 - 11.6 - 18.2",10.252628321991184,"6.0 - 9.0 - 14.1",13.047548039132021,"3.5 - 5.2 - 8.2",15.702077094050473,43.64126749338463,32.14687386035369,33.29620840821248,19.732322194820444," - "," - "]
[null,null,null,2.4656845584437943,577.54563075,9.904761611239476,"8.9 - 13.4 - 19.6",13.616761501236304,"6.9 - 10.3 - 15.2",17.328761391233133,"4.0 - 6.0 - 8.8",19.94086933251193,46.94745490763826,36.04254855224177,37.123029684673085,25.081109583999183,12.080356583500748," - "]
[null,1016,null,2.791839972456533,653.942116125,12.698430274535792,"10.1 - 14.7 - 20.8",17.457411220500287,"7.8 - 11.4 - 16.1",22.21639216646478,"4.5 - 6.6 - 9.4",23.65229659099446,49.842306412643055,39.45354688107277,40.47374092499378,29.764433087307044,18.210554025155876,12.441736884768932]
[null,"x",0.258064,3.117995386469272,730.3386015,15.83871459473929,"11.3 - 15.5 - 22.0",21.77457747978313,"8.7 - 12.0 - 17.0",27.710440364826965,"5.1 - 7.0 - 9.9",26.95318111119328,52.41694141304761,42.48723467768228,43.453810341564505,33.92970670807391,23.66265437137024,18.04714278870573]
[null,254,null,3.4441508004820105,806.735086875,19.325614571849968,"12.4 - 16.3 - 23.1",26.568260279084825,"9.6 - 12.7 - 17.9",33.810905986319675,"5.6 - 7.4 - 10.4",29.92536933840025,54.735198774288605,45.218833162551775,46.13712967066893,37.680209684770986,28.571844124422615,23.09437220083736]
[null,null,null,3.7703062144947497,883.13157225,23.159130205867825,"13.6 - 17.1 - 24.2",31.838459618405377,"10.5 - 13.2 - 18.7",40.51778903094292,"6.1 - 7.7 - 10.9",32.62843560897266,56.84354548743248,47.703094307794245,48.57748318034321,41.09111684105092,33.036522746000216,27.684591440281157]
[null,null,null,4.096461628507488,959.5280576250001,27.339261496792876,"14.5 - 17.8 - 25.2",37.5851754977448,"11.3 - 13.8 - 19.5",47.83108949869672,"6.5 - 8.0 - 11.3",35.10709527480753,58.776858782914005,49.981113891387096,50.81524030848321,44.218852954745344,37.13054698088375,31.893734001828296]
[null,null,null,4.422617042520227,1035.924543,31.8660084446251,"15.1 - 18.5 - 26.2",43.808407917103075,"11.7 - 14.3 - 20.3",55.750807389581034,"6.8 - 8.3 - 11.8",37.395769114280135,60.56198629511836,52.08452643270475,52.881476455728674,47.106852432388465,40.910769935126595,35.78025162262428]
[]
[null,"1) Throw values are given for terminal velocities of 0.75,0.5 and 0.25 m/s Isothermal Conditions"]
[null,"2) NC values are based on octave band 2 - 7 sound power levels minus a room absorption of 10dB, re 1.0 E-12 watts."]
[null,"Sound data is based on 0° blade deflection. A setting of 22.5° and 45° increase sound by "]
[null,"4 or 9 dB/NC respectively.  Dash (-) in space denotes an NC or dB value of less than 10."]
[null,"3) When selecting larger supply grilles for cooling purposes, account for drop by referring to the Engineering Guidelines."]
[null,"4) See K-Select program for performance data not shown, including octave band data."]