Crouse Hinds NDA Corro Gard CorrosionResistant Incandescent Luminaires Photometric Data

NDA CorroɀGardTMCorrosion-

Photometric Data

Resistant Incandescent
Luminaires

Lamp: 200W/PS-25

To determine number and placement of luminaires, see Lighting Selector Guide, pages 665 to

689.
NOTE: All data provided is for incandescent with 200W/PS-25 lamp. See Multipliers for other

wattages and lamp types.

Luminaire With Globe Luminaire With Globe and Luminaire With Globe and

Coefficient of Utilization

Effective Floor Cavity Reflectance 20%

% Reflectance Room Cavity Ratio
Eff. Ceil.Wall 12345

50 .762 .651 .565 .494 .433

80 30 .715 .585 .491 .416 .358

10 .673 .529 .433 .357 .300

50 .708 .605 .526 .461 .406

70 30 .667 .546 .460 .390 .335

10 .626 .496 .407 .336 .282

50 .608 .519 .452 .395 .292

50 30 .576 .473 .399 .339 .250

10 .547 .432 .356 .295 .248

50 .516 .439 .382 .335 .297

30 30 .492 .404 .342 .290 .250

10 .469 .372 .307 .254 .215

50 .433 .366 .319 .279 .247

10 30 .413 .339 .287 .244 .211

10 .396 .315 .259 .215 .181

0 0 .354 .277 .226 .184 .154

% Reflectance Room Cavity Ratio
Eff. Ceil.Wall 678910

50 .389 .348 .312 .284 .253

80 30 .312 .273 .240 .214 .185

10 .258 .222 .190 .166 .141

50 .363 .324 .291 .266 .236

70 30 .293 .256 .226 .201 .175

10 .242 .208 .179 .157 .133

50 .312 .280 .252 .230 .205

50 30 .256 .223 .198 .177 .153

10 .213 .183 .158 .139 .117

50 .266 .238 .216 .197 .175

30 30 .220 .193 .170 .152 .131

10 .185 .158 .137 .121 .100

50 .223 .201 .180 .166 .147

10 30 .185 .163 .144 .129 .110

10 .156 .135 .116 .102 .084

0 0 .132 .112 .096 .084 .068

Dome Reflector 30° Angle Reflector

Coefficient of Utilization

Effective Floor Cavity Reflectance 20%

% Reflectance Room Cavity Ratio
Eff. Ceil.Wall 12345

50 .809 .703 .615 .541 .481

80 30 .773 .647 .550 .470 .408

10 .742 .601 .499 .416 .354

50 .791 .688 .604 .531 .470

70 30 .758 .636 .542 .465 .403

10 .729 .595 .494 .413 .315

50 .756 .659 .580 .510 .455

50 30 .729 .617 .528 .453 .395

10 .706 .579 .485 .408 .349

50 .726 .634 .558 .492 .439

30 30 .705 .599 .514 .442 .385

10 .684 .566 .477 .402 .344

50 .699 .610 .539 .475 .424

10 30 .663 .580 .501 .431 .378

10 .580 .553 .468 .396 .340

0 0 .647 .536 .451 .378 .323

% Reflectance Room Cavity Ratio
Eff. Ceil.Wall 678910

50 .431 .386 .347 .317 .277

80 30 .360 .317 .280 .250 .211

10 .309 .269 .231 .204 .169

50 .423 .380 .342 .312 .272

70 30 .356 .312 .277 .247 .211

10 .305 .265 .231 .204 .169

50 .408 .368 .331 .302 .265

50 30 .348 .305 .272 .243 .207

10 .303 .263 .229 .202 .167

50 .396 .355 .321 .294 .257

30 30 .342 .301 .266 .238 .203

10 .300 .260 .227 .201 .165

50 .383 .346 .311 .285 .250

10 30 .334 .295 .262 .235 .200

10 .297 .258 .225 .199 .163

0 0 .281 .243 .210 .184 .150

Total
Lumens Eff. %

2595 80.6

Multipliers for Other Lamps

Photometric data was developed using a 200
watt/PS-25 inside frosted incandescent lamp (3,220
lumens). For other incandescent watts/lamp size,
use the following conversion factors (multipliers):

Watts Lamp Size Lumens Factor

100 A-19 1750 .54
100 A-21 1690 .52

150 A-21 2880 .89
150 PS-25 2680 .83

200 A-23 4010 1.25

300 PS-25 6360 1.98

Example: Zonal lumens for 200W/PS-25 luminaire
with globe and dome reflector for 30-40° is 389.
Zonal lumens for 100W/A-21 luminaire with globe
and dome reflector for 30-40° is 389 × .52 ⍧ 202.

CANDLES AT 25 FT. IN PLANE

A-A’ WITHOUT GUARD

DEGREES FRONT BACK

10 672 577
15 677 539
20 677 498
25 677 465
30 677 422
35 677 388
40 640 338
45 630 278
50 630 89
55 625 24
60 583 5
65 551
70 525
75 461
80 422
85 385
90 346

95 310
100 273
105 207
110 68
115 24
120 5
125
130

Lamp Conversion

1L

0 630
5 646 619

US: 1-866-764-5454 CAN: 1-800-265-0502 Copyright©2006 Cooper Crouse-Hinds

707