In the left half of the left plot, specific illuminance by a continuous row of luminaires spaced 5 heights is shown (right half is for a single luminaire). | The right plot is for a single luminaire, unrotated. |
Values below the scale are illuminance / 1 lx. This is for (unrealistic) “unit” case that luminaires would have lamps producing 1 klm only, would be point-like and just 1 m over the terrain.
# IESNA91 # [TEST] LSI 7739 # [DATE] 09/27/88 # [MANUFAC] RUUD LIGHTING # [LUMCAT] RT19F # [LUMINAIRE] CLEAR REFLECTOR # [LAMP] 13W FL # TILT=NONE # Bulbs: 1, 900 lm each # Number of measured angles: 19 vertical, 1 horizontal ones # Photometric type: 1, Units type: 1 # Luminous openig width, length and height: 0.480 0.480 0.000 # Ballast factor: 1, Input power: 18 W # Source file: rt19f.ies # Luminaire flux = 502 lm, # 55.8 % of the bulb flux # between 75 and 90: 0.0 % of the luminaire flux # - this part causes just GLARE in case of road lighting and similar purposes # 80deg and above: max 0.0 cd/1000lm , 0.0 % of the luminaire flux # 90deg and above: max 0.0 cd/1000lm , 0.0 % of the luminaire flux # CutOff Type: Full_CutOff # 62.5 deg to <67.5 deg: max 0 cd/1000lm, # 67.5 deg to <72.5 deg: max 0 cd/1000lm, # maximum spec. lum. intensity 509 cd/1000lm # The following table gives luminous intensities which would be produced # using a hypothetic bulb giving a luminous flux of 1000 lm (i.e., cd/klm): 0.0 469 5.0 509 10.0 486 15.0 409 20.0 343 25.0 317 30.0 283 35.0 242 40.0 188 45.0 129 50.0 43.3 55.0 2.2 60.0 0.0 65.0 0.0 70.0 0.0 75.0 0.0 80.0 0.0 85.0 0.0 90.0 0.0 # IESNA91 # [TEST] LSI 7739 # [DATE] 09/27/88 # [MANUFAC] RUUD LIGHTING # [LUMCAT] RT19F # [LUMINAIRE] CLEAR REFLECTOR # [LAMP] 13W FL # TILT=NONE # Bulbs: 1, 900 lm each # Number of measured angles: 19 vertical, 1 horizontal ones # Photometric type: 1, Units type: 1 # Luminous openig width, length and height: 0.480 0.480 0.000 # Ballast factor: 1, Input power: 18 W # Source file: rt19f.ies # Luminaire flux = 502 lm, # 55.8 % of the bulb flux # between 75 and 90: 0.0 % of the luminaire flux # - this part causes just GLARE in case of road lighting and similar purposes # 80deg and above: max 0.0 cd / 1000 lm , 0.0 % of the luminaire flux # 90deg and above: max 0.0 cd / 1000 lm , 0.0 % of the luminaire flux # CutOff Type: Full_CutOff # 62.5 deg to <67.5 deg: max 0 cd / 1000 lm, # 67.5 deg to < 76 deg: max 0 cd / 1000 lm, # maximum spec. lum. intensity 509 cd / 1000 lm # The following table gives luminous intensities which would be produced # using a hypothetic bulb giving a luminous flux of 1000 lm (i.e., cd/klm): 0.0 469 5.0 509 10.0 486 15.0 409 20.0 343 25.0 317 30.0 283 35.0 242 40.0 188 45.0 129 50.0 43.3 55.0 2.2 60.0 0.0 65.0 0.0 70.0 0.0 75.0 0.0 80.0 0.0 85.0 0.0 90.0 0.0