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   SPI Lighting  IPS  

IPS - Page 4

 

 

FIXTURE NUMBER LAMPING - K° PHOTOMETRY VOLTAGE FINISH ACCESSORIES
  • IPS
  • 440
 (4) 40 TT FL* E440-1 120 or
  • SW

  • CK - Canopy kit; includes cover plate,   mounting plate and eyebolt for 4" octagonal or square box

  • F - Field installed fuse

  • IL - High impact lens, 50% DR

  • NP1 - 120 NEMA plug

  • NP2 - 277 NEMA plug

  • RM - Rigid mount; for close to ceiling or up to 3/4" conduit stem mounting

  • SK - Stem kit; includes 30° swivel, 3/8" IPS polished stainless steel 44" long stem, white canopy, use with (RM)

  • TK - Trim kit; decorative perforated collar use with (RM)

  • WG - Wire guard

  • EM - Emergency Lighting options
  • 455
 (4) 55 TT FL* E440-1 277
  • IPS
  • 840
 (8) 40 TT FL* E840-1 120 or
  • SW
  • 855
 (8) 55 TT FL* E840-1 277
* Specify 4100 or 3500 K° color temperature lamps
Sample: IPS 840 4100 277 SW RM SK
PHOTOMETRY

Note: Photometry based on average of 36 planes

Test Number

  • D440-1 / ITL48812

Fixture

  • IPS 440

Optical

  • Symmetric distribution
  • Fabricated, painted high reflectance white

Lamps

  • (4) 40 watt TT fluorescents
  • 12,600 lumens total

Ballasts:

  • (1) 4-lamp electronic

Note: Photometry based on average of 36 planes

Test Number

  • D840-1 / ITL48813

Fixture

  • IPS 840

Optical

  • Symmetric distribution
  • Fabricated, painted high reflectance white Lamps

Lamps

  • (8) 40 watt TT fluorescents
  • 25,200 lumens total

Ballasts:

  • (2) 4-lamp electronic

 

ZONAL LUMEN SUMMARY
Zone Lumen % Lamp % Fixt
0 - 30 2971 23.6 25.6
0 - 40 4912 39.0 42.4
0 - 60 8950 68.7 74.6
0 - 90 11041 87.6 95.3
90 - 120 416 3.3 3.6
90 - 130 471 3.7 4.1
90 - 150 526 4.2 4.5
90 - 180 548 4.4 4.7
0 - 180 11590 92.0 100.0
TOTAL LUMINAIRE EFFICIENCY = 92.0 %

 

WATT / TYPE LUMENS PRORATION
FACTOR
(4) 50 TT FL 16,000 1.27
(4) 50 TT FL 19,200 1.52

 

COEFFICIENT OF UTILISATION, ZONAL CAVITY METHOD
EFFECTIVE FLOOR CAVITY REFLECTANCE 0.20
RC
RW		 80 70 50 30 10 0
70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
0 108 108 108 108 105 105 105 105 100 100 100 95 95 95 90 90 90 88
1 98 94 90 86 95 91 87 84 86 83 81 82 80 77 78 76 74 72
2 89 82 75 70 87 80 74 69 76 71 66 72 68 64 69 65 62 60
3 82 72 64 58 79 70 63 57 67 61 56 64 58 54 61 56 53 51
4 75 64 56 49 72 62 55 49 59 53 48 57 51 46 54 49 45 43
5 69 57 49 42 66 56 48 42 53 46 41 51 45 40 49 44 39 37
6 63 51 43 37 61 50 42 37 48 41 36 46 40 35 44 39 35 33
7 59 46 38 33 57 45 38 32 44 37 32 42 36 31 40 35 31 29
8 55 42 34 29 53 41 34 29 40 33 28 38 32 28 37 32 28 26
9 51 39 31 26 50 38 31 26 37 30 26 35 29 25 34 29 25 23
10 48 36 28 24 46 35 28 23 34 28 23 33 27 23 32 26 23 21

 

ZONAL LUMEN SUMMARY
Zone Lumen % Lamp % Fixt
0 - 30 5613 22.3 27.0
0 - 40 9150 36.3 44.0
0 - 60 15710 62.3 75.6
0 - 90 19823 78.7 95.4
90 - 120 721 2.9 3.5
90 - 130 813 3.2 3.9
90 - 150 906 3.6 4.4
90 - 180 952 3.8 4.6
0 - 180 20775 82.4 100.0
TOTAL LUMINAIRE EFFICIENCY = 82.4 %

 

WATT / TYPE LUMENS PRORATION
FACTOR
(8) 50 TT FL 32,000 1.27
(8) 55 TT FL 38,400 1.52

 

COEFFICIENT OF UTILISATION, ZONAL CAVITY METHOD
EFFECTIVE FLOOR CAVITY REFLECTANCE 0.20
RC
RW		 80 70 50 30 10 0
70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
0 97 97 97 97 95 95 95 95 90 90 90 85 85 85 81 81 81 79
1 88 84 81 77 86 82 79 76 78 75 73 74 72 70 70 69 67 65
2 81 74 68 63 78 72 67 62 68 64 60 65 61 58 62 59 56 54
3 74 65 58 53 71 63 57 52 60 55 51 58 53 49 55 51 48 46
4 67 58 50 45 65 56 50 44 54 48 43 51 46 42 49 45 41 40
5 62 52 34 39 60 50 44 38 48 42 38 46 41 37 44 40 36 34
6 57 47 39 34 56 46 39 34 44 38 33 42 37 32 40 36 32 30
7 53 42 35 30 52 41 35 30 40 34 29 38 33 29 37 32 28 27
8 50 39 32 27 48 38 31 27 36 30 26 35 30 26 34 29 25 24
9 46 35 29 24 45 35 28 24 34 28 24 32 27 23 31 27 23 22
10 43 33 26 22 42 32 26 22 31 25 33 30 25 21 29 24 21 20

Specification subject to change without notice. All rights reserved.

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