Crouse Hinds EVFDR Series Photometric Data

EVFDR Series
Fluorescent Luminaires

Photometric Data and Dimensions

6L

Luminaire: All EVFDR Luminaires

Lamp: 2-40/T-12, 2-60/T-12, 2-110/T-12
Zonal Degrees: 0-30 0-40 0-60 0-90
Zonal Lumens: 1416 2352 4263 5863
Total Bare Lamp Lumens: 8600

To determine number and placement of luminaires,
see Lighting Selector Guide, pages 665 to 689.

NOTE: All data provided is
for two 60 watt, T-12
recessed contact 800MA
cool white lamps
(EVFDR22062). For other
wattages use the following
conversion factors:
32W .67
40W, Rapid Start .73
40W, Slimline .70
110W, Cool White 1.60

Example: Zonal lumens for
EVFDR226 fixture, across
the axis, for 40-50° is 1,060.
Zonal lumens for
EVFDR223 fixture, across

Coefficient of Utilization

Effective Floor Cavity Reflectance 20%

% Reflectance Room Cavity Ratio
Eff. Ceil. Wall 12345

50 .735 .645 .570 .506 .452

80 30 .700 .594 .512 .442 .387

10 .670 .551 .466 .394 .339
50 .714 .627 .557 .494 .440

70 30 .682 .580 .501 .435 .380

10 .653 .542 .458 .388 .334
50 .673 .593 .528 .468 .420

50 30 .647 .554 .482 .418 .368

10 .624 .520 .444 .378 .327
50 .636 .562 .501 .446 .401

30 30 .616 .530 .463 .403 .354

10 .596 .502 .430 .368 .319
50 .603 .533 .477 .425 .383

10 30 .585 .507 .444 .388 .343

10 .570 .483 .416 .358 .311

0 0 .551 .465 .399 .340 .294

% Reflectance Room Cavity Ratio
Eff. Ceil. Wall 678910

50 .408 .368 .332 .304 .266

80 30 .344 .305 .271 .243 .207

10 .298 .262 .228 .202 .169
50 .398 .360 .325 .297 .260

70 30 .338 .299 .267 .240 .206

10 .293 .258 .226 .201 .168
50 .380 .344 .311 .285 .250

50 30 .327 .289 .259 .233 .199

10 .287 .252 .221 .197 .164
50 .364 .328 .299 .274 .240

30 30 .317 .282 .251 .226 .193

10 .281 .246 .217 .193 .160
50 .348 .316 .286 .263 .231

10 30 .306 .274 .244 .220 .188

10 .274 .241 .213 .189 .157

0 0 .259 .226 .198 .175 .144

the axis, is 40-50° is: 1,060
× .70 ⍧ 742

Dimensions

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

863