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[{"$nulls":28},"S5480 H or V Return Grille / 30 deg deflection"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},19,"Inches",{"$nulls":11},"Area ( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",1,null,null," - ",null," "]
[null,"Enter Duct Height in inches =",{"$nulls":6},18,"Inches",{"$nulls":11},2.375,1.9466145833333333,1.75]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":6},967,"CFM"]
[null,"Enter Maximum Air Flow =",{"$nulls":6},1545,"CFM"]
[{"$nulls":26},"Pressure Constants",null,null,null," ",null,"Cosntants from Titus 355RLHD 40 defl"]
[{"$nulls":27},"m","b",null," "," "]
[null,"S5480 H or V Return Grille / 30 deg deflection",{"$nulls":24},"30 deg",0,-2.528571428571428]
[null,"IP Data",{"$nulls":5},"Metric Data",{"$nulls":24},"2002-11-21"]
[null,"Nom","Duct ","Neck","Air"," ",null,"Nom","Duct ","Neck","Air"," ",{"$nulls":19}," ","from S5480 Sound Analysis.XLS"]
[null,"Duct","Area","Vel","Flow","Ps","Nc","Duct","Area","Vel","Flow","Ps","Octave Band, dB",{"$nulls":20},"2","3","4","5","6","7",null,null,"NC"]
[null,"in","ft²","FPM","CFM","\"WG",null,"mm","m²","m/s","L/s","Pa",2,3,4,5,6,7,{"$nulls":8},"Sound",{"$nulls":5},"M(An)",11.207399265464796,11.108823296335114,11.098252600479919,11.331917517878216,11.585617489189525,11.639432303792999,null,"M(An)",11.948104701021213]
[null,null,null,496.75986622073583,967,-0.05428587912144588,22.377431389776802,null,null,2.5235401204013383,456.3731358,-13.517183901240024,37.65515227513727,35.50740865977638,36.35235043787124,29.51892038126713,22.173568374376334,16.5245626736188,{"$nulls":10},"B","CVn","CAn",null,"M(Vn)",66.72186301644962,57.033829212724285,55.99494255831443,78.95950114684788,103.89310230511572,109.18201549179177,null,"M(Vn)",73.4073344724104,"Adjust"]
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[null,null,null,570.9913043478261,1111.5,-0.07172207756292279,26.817326683297296,null,null,2.900635826086957,524.5695351,-17.858797313167774,41.69069024570602,38.95698535007562,39.739092153973886,34.294627332626,28.457334148858894,23.12821774709489]
[null,19,null,608.1070234113713,1183.75,-0.08134931703196294,28.825055818230084,482.59999999999997,null,3.0891836789297664,558.66773475,-20.25597994095877,43.51556822660406,40.51689052045341,41.27058322896268,36.45421114086066,31.298865038322408,26.114403188768176]
[null,"x",2.375,645.2227424749165,1256,-0.09158264999987087,30.71380065003376,"x",0.22064472000000002,3.277731531772576,592.7659344,-22.804079849967845,45.23229823521099,41.984350835389584,42.711313356602844,38.485811263447296,33.97199792687032,28.923617948684818,{"$nulls":8}," "]
[null,18,null,682.3384615384616,1328.25,-0.1024220764666466,32.4968783979827,457.2,null,3.4662793846153854,626.8641340500001,-25.503097040195,46.85298464347504,43.36971310852524,44.07144088052125,40.40375216807184,36.49558062084841,31.57566932337131]
[null,null,null,719.4541806020068,1400.5,-0.11386759643229014,34.185488496579495,null,null,3.6548272374581945,660.9623337,-28.353031511640243,48.38780691289166,44.68167874060318,45.35950870308817,42.220080358912874,38.8854636344171,34.08721473323614]
[null,null,null,756.5698996655518,1472.75,-0.12591920989680142,35.789139124299965,null,null,3.8433750903010035,695.06053335,-31.35388326430355,49.84540727773289,45.92763511098004,46.58276964054339,43.94502316590482,41.15510385395188,36.47239611787013,{"$nulls":21}," "]
[null,null,null,793.685618729097,1545,-0.1385769168601805,37.31597148000657,null,null,4.031922943143813,729.158733,-34.50565229818495,51.2331854884351,47.11390752418912,47.747433780284084,45.58733754781131,43.31602348513402,38.743322246876815]
[{"$nulls":26}," "," "]
[null,"1) Performance data does not include damper",{"$nulls":37}," "]
[null,"2) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991."]
[null,"3) All pressures are in inches of water (Pascals)"]
[null,"4) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB."]
[{"$nulls":27}," ",null,null," "]