Cut Sheet

250 Watt High Pressure Sodium 150 Watt High Pressure Sodium
250 Watt Pulse Start Metal Halide 175 Watt Pulse Start Metal Halide
How to use Quick-Estimate Illumination Chart
1. Referto“Quick-EstimateIlluminationChart”forthelamptypeandwattagetobeused.
2. Determine“roomsize”ofareatobelighted.“SmallRoom”is2500Sq.Ft./232.3Sq.M.orless.“MediumRoom”is2500Sq.Ft./232.3
Sq.M.thru10,000Sq.Ft./929.0Sq.M.“LargeRoom”is10,000Sq.Ft./929.0Sq.M.ormore.
3. Findleveloflight(footcandles)requiredinverticalcolumnofguresatleftofchart.Thenfollowhorizontalline
(realorinterpolated)torightuntilitintersectswith“Arc”ofselected“roomsize.”Comedirectlydownfrompoint
ofintersectiontohorizontallineofnumber“SquareFeetPerLuminaire.”Theresultingnumber(realorinterpolated)is
the“numberofsquarefeet”oneAppletonwillilluminatetotheselectedaveragemaintainedfootcandlelevelwhen
mountedinconjunctionwithotherunitsinthehighbayinstallation.
4.
Dividenumberoftotalsquarefeetinprojectby“numberofsquarefeetperluminaire”togetnumberofunitsrequired.
5. Takesquarerootofresulting“numberofsquarefeetperluminaire”numbertodeterminespacingbetweenunits.
*
Photometric charts available on request. Consult your local sales representative for pulse start metal halide.
V CSA Certification only.
Lumenmaster 250
™
Low Bay HID Prismatic Luminaires
Integrally Ballasted. Quick-Estimate Illumination Chart *
Integrally Ballasted. 150 W, 250 W HPS; 175 W, 200 W, 250 W PSMH.
Lighting
Lighting: generaL Lighting — area — Low Bay
Visit our website at www.appletonelec.com or contact us at [phone].
© September 2010
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