Crouse Hinds FVS Series Photometric Data

FVS Series Long Twin Tube

Photometric Data

Fluorescent Luminaires

Luminaire: FVS Lamp: (2) F40BX/SPX35/RS single-ended fluorescent. Total initial lumens: 6300

Isofootcandle Chart

Coefficients of Utilization

Effective Floor Cavity Reflectance 20%

Ceil. Wall 12345678910

Footcandle Values for Isofootcandle Lines

Mtg. Hgt. A B C D E

8′ 5.00 3.00 1.00 0.50 0.20 10′ 3.20 1.92 0.64 0.32 0.13 12′ 2.22 1.33 0.44 0.22 0.09 16′ 1.25 0.75 0.25 0.13 0.05

Spacing to Mounting Height Ratio

Along lamp axis (A-A) 0.6 Across lamp axis (B-B) 1.1

FVS suitable for Class II, Div. 1, Groups E, F, G when ordered with suffix S813.

* Percent Reflectance

Room Cavity RatioEff.

50* .621 .538 .469 .414 .367 .329 .297 .269 .246 .225

80* 30* .594 .495 .419 .359 .312 .273 .242 .216 .195 .176

10* .569 .459 .378 .317 .270 .234 .204 .180 .160 .144 50* .606 .526 .459 .405 .360 .323 .291 .265 .242 .222

70* 30* .582 .487 .412 .354 .308 .270 .240 .214 .193 .175

10* .560 .453 .374 .314 .268 .232 .203 .179 .160 .143 50* .580 .503 .441 .389 .347 .311 .281 .256 .234 .216

50* 30* .560 .470 .400 .345 .300 .265 .235 .210 .190 .172

10* .541 .442 .367 .310 .265 .230 .201 .178 .159 .143 50* .555 .483 .423 .374 .334 .301 .272 .248 .227 .210

30* 30* .539 .455 .389 .336 .293 .259 .230 .207 .187 .170

10* .524 .431 .360 .305 .262 .227 .199 .176 .157 .142 50* .533 .464 .407 .361 .322 .290 .264 .241 .221 .204

10* 30* .520 .441 .378 .327 .287 .254 .226 .203 .184 .167

10* .507 .421 .353 .300 .258 .225 .197 .175 .156 .141

0* 0* .494 .407 .339 .286 .245 .212 .185 .163 .145 .130

838

Specifications and Main Features