# IESNA: LM-63-1995 # [TEST] 767489 # [DATE] 1/29/96 # [MANUFAC] COOPER LIGHTING # [LUMCAT] VAN40VXX55 # [LUMINAIRE] 400W MERC TYPE V DUSK-TO-DAWN # [LAMP] 400W HG CL BT-37 # [_REFLECTOR] SPUN ANODIZED ALUMINUM # [_REFRACTOR] PRISMATIC ACRLYIC # [_SOCKET POSITION] VERTICAL BASE UP # [_LAMP LUMENS] 21000 # TILT=NONE # Bulbs: 1, 21000 lm each # Number of measured angles: 47 vertical, 1 horizontal ones # Photometric type: 1, Units type: 1 # Luminous openig width, length and height: 0.000 0.000 0.000 # Ballast factor: 1, Input power: 400 W # Source file: van4v55.ies # Luminaire flux = 15930 lx, # 75.9 % of the bulb flux # between 75 and 90: 14.4 % of the luminaire flux # - this part causes just GLARE in case of road lighting and similar purposes # 80deg and above: max 81.1 cd/1000lm , 16.8 % of the luminaire flux # 90deg and above: max 30.1 cd/1000lm , 9.9 % of the luminaire flux # CutOff Type: CIE_Semi-CutOff # Increase of Sky Luminance due to light going # from the luminaire difectly above horizon, as compared with the # luminance produced by the light dispersed from the ground: 257 % # Increase of Sky Luminance in Distant Places by light below 30.0 degrees # due to light going from the luminaire directly above horizon: 494 % # (for the zenith luminance such an angle suits places up to 10 km distance) # The increases concern the following situation: # Albedo = 0.10 # Zenith Extinction = 0.30 mag (i.e., direct light remaining 76 %) # Indicatrix type =0 (0: acc. to P.Cinzano, 4..6: CIE sky types) # (the downward-scattered part of lambertian uplight is 0.1108 then) # Illumination of a rectangle of 0.0:1.0:-2.5:2.5 pole heights: # Per cent of luminaire output falling there: 24.5 # for a unit case (glass at 1 m height, 1000 lm bulb) its illumination: # Maximum: 109.5 lx # Average: 37.2 lx # Minimum: 6.7 lx # Average/Minimum: 5.6 # The following table gives luminous intensities which would be produced # using a hypotetic bulb giving a luminous flux of 1000 lm (i.e., cd/klm): 0.0 98.9 2.5 92.9 5.0 90.2 7.5 96.2 10.0 102.1 12.5 108.9 15.0 118.3 17.5 125.4 20.0 132.0 22.5 135.9 25.0 138.5 27.5 139.7 30.0 140.0 32.5 141.3 35.0 144.2 37.5 143.3 40.0 136.2 42.5 130.0 45.0 125.5 47.5 121.6 50.0 119.0 52.5 119.6 55.0 123.6 57.5 127.8 60.0 128.9 62.5 126.4 65.0 122.3 67.5 119.5 70.0 116.0 72.5 109.0 75.0 99.4 77.5 90.5 80.0 81.1 82.5 60.1 85.0 42.4 87.5 34.5 90.0 30.1 95.0 23.1 105.0 17.7 115.0 11.6 125.0 9.6 135.0 7.3 145.0 4.7 155.0 1.1 165.0 0.0 175.0 0.0 180.0 0.0