|
| Filling finish |
Watts |
Lumens |
|
110 (V) |
230 (V) |
250 (V) |
| Vacuum single
coil clear |
15 |
135 |
120 |
115 |
| |
25 |
225 |
230 |
225 |
| Gas filled
coiled coil clear |
40 |
500 |
425 |
415 |
| |
60 |
840 |
720 |
700 |
| |
100 |
1580 |
1300 |
1340 |
| |
150 |
2480 |
2200 |
2160 |
| |
200 |
3450 |
3100 |
3050 |
| |
300 |
... |
4850 |
4800 |
| Single coil
clear |
500 |
9400 |
8300 |
8200 |
| |
1000 |
20200 |
18600 |
18400 |
| |
1500 |
31500 |
29500 |
29500 |
| Coiled coil
inside white |
40 |
465 |
395 |
385 |
| |
60 |
780 |
870 |
650 |
| |
100 |
1460 |
1280 |
1240 |
APPROXIMATE
REFLECTION
FACTOR
OF COMMON SURFACE
MATERIALS
AND COLOURS |
AVERAGE
SOUND
LEVELS
OF VARIOUS
PLACES |
| Materials |
Reflection
factor
% |
Colour
|
Reflection
factor
% |
Places
|
Decible
Range |
| |
|
|
|
Residence without radio |
53 |
| |
|
|
|
with radio |
60 |
| White plaster |
90-95 |
White |
80 |
Radio and T.V |
20-30 |
| White paper |
80 |
Light grey |
66 |
Theatres and Halls |
30-50 |
| Silvered mirrors |
70-85 |
Primrose yellow |
65 |
Street |
80 |
| Chromium plate |
65 |
Pale pink |
51 |
Factor (Average) |
70-75 |
| Polished alumi |
|
|
|
Hotel and Apartments |
35-45 |
| nium |
62 |
Light green |
45 |
Class rooms and lecture halls
|
35-40 |
| Limestone |
35-38 |
Pale blue |
44 |
Hospitals and Churches |
35-40 |
| Polished marble |
30-70 |
Medium green |
42 |
Office and conference Hall
|
40-45 |
| Tracing cloth |
30 |
Sky blue |
34 |
Offices: |
|
| Grey cement |
20-30 |
Olive green |
21 |
Small |
53 |
| Granite |
20-25 |
Medium brown |
17 |
Medium |
60 |
| Red brik |
10-15 |
Cardinal red |
19 |
Large |
65 |
| Black paper |
5 |
Dark grey |
17 |
Factory |
60 |
FLUORESCENT
TABULAR LAMP DATA |
Tube
rating
in watts |
Tube
length
in mm |
Tube
diameter
in mm |
Lamp
voltage
in volts |
Lamp
current
in Amps |
Lamp
depreciation |
Light
Colour |
Nominal
luminous
flux
in lumens |
Brightness
SHLB |
| 20 |
590 (2 ft.) |
38 |
58 |
0.37 |
10 |
White Cool Day light |
11600,970 |
.62.52 |
| 40 |
1200 (4 ft.) |
38 |
103 |
0.43 |
10 |
White Day light |
2770,2440 |
.70.63 |
| 65-80 in. |
1500 |
38 |
110 |
0.67 |
13 |
Cool Day light |
4000 |
0.83 |
| 80 Circuit |
5 ft. |
|
|
|
|
|
|
|
| 65-80 in. |
1500 |
38 |
102 |
0.88 |
13 |
Cool Day light |
4400 |
0.92 |
| 80 Circuit |
5 ft. |
|
|
|
|
|
|
|
| 80 |
1500 |
38 |
102 |
0.87 |
15 |
White Cool Day light |
5230 |
1.0 |
| |
5 ft. |
|
|
|
|
|
4440 |
0.92 |
HIGH
PRESSURE MERCURY VAPOUR LAMPS |
|
Wattage
|
Norminal
Voltage |
Norminal Lamp
Current |
Starting period
|
Cap |
Luminous Non.
fluorescent |
Flux fluorescent
white |
|
80 |
115 |
.8 |
3.5 |
3 pin Bc |
3,100 |
3,400 |
|
125 |
125 |
1.15 |
1.5 |
3 pin Bc |
5,400 |
5,800 |
|
250 |
135 |
2.00 |
.4 |
E 40 |
11,500 |
12,500 |
|
400 |
140 |
3.2 |
.4 |
E 40 |
21,000 |
25,000 |
|
700 |
140 |
5.4 |
.4 |
E 40 |
34,000 |
37,000 |
|
1000 |
145 |
7.5 |
.4 |
E 40 |
52,000 |
55,000 |
|
