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The preheat start uses a combination filament/cathode at each end of the lamp in conjunction with a mechanical or automatic switch that initially connect the filaments in series with the ballast and thereby preheat the filaments prior to striking the arc.it is a good way to protect the circuit.
|
Item No. |
Tube diameter (mm) |
BF-BF (mm) |
Arc length (mm) |
Power (W) |
Current (mA) |
Voltage at 50/60Hz |
Uv outp μW/㎝2 W
|
Rated lifetime(h) |
|
|
Preheat Start lamps |
|||||||||
|
GPH212T5L |
15 |
212 |
132 |
10 |
425 |
30 |
26 |
2.7 |
13,000 |
|
GPH212T5VH |
15 |
212 |
132 |
10 |
425 |
30 |
26 |
2.7 |
13,000 |
|
GPH287T5L |
15 |
287 |
207 |
14 |
425 |
41 |
40 |
4 |
13,000 |
|
GPH287T5VH |
15 |
287 |
207 |
14 |
425 |
41 |
40 |
4 |
13,000 |
|
GPH303T5L |
15 |
303 |
223 |
15 |
425 |
43 |
43 |
4.3 |
13,000 |
|
GPH303T5VH |
15 |
303 |
223 |
15 |
425 |
43 |
43 |
4.3 |
13,000 |
|
GPH357T5L |
15 |
357 |
277 |
17 |
425 |
51 |
57 |
5.7 |
13,000 |
|
GPH357T5VH |
15 |
357 |
277 |
17 |
425 |
51 |
57 |
5.7 |
13,000 |
|
GPH436T5L |
15 |
436 |
356 |
21 |
425 |
62 |
72 |
7.3 |
13,000 |
|
GPH436T5VH |
15 |
436 |
356 |
21 |
425 |
62 |
72 |
7.3 |
13,000 |
|
GPH793T5L |
15 |
793 |
713 |
38 |
425 |
112 |
125 |
13.5 |
13,000 |
|
GPH793T5VH |
15 |
793 |
713 |
38 |
425 |
112 |
125 |
13.5 |
13,000 |
|
GPH843T5L |
15 |
843 |
762 |
41 |
425 |
120 |
136 |
15 |
13,000 |
|
GPH843T5VH |
15 |
843 |
762 |
41 |
425 |
120 |
136 |
15 |
13,000 |
|
GPH1148T5L |
15 |
1,148 |
1,067 |
55 |
425 |
165 |
174 |
21 |
13,000 |
|
GPH1148T5VH |
15 |
1,148 |
1,067 |
55 |
425 |
165 |
174 |
21 |
13,000 |
|
GPH1554T5L |
15 |
1,554 |
1,474 |
75 |
425 |
220 |
223 |
31 |
13,000 |
|
GPH1554T5VH |
15 |
1,554 |
1,474 |
75 |
425 |
220 |
223 |
31 |
13,000 |
|
GPH1630T5L |
15 |
1,630 |
1,550 |
79 |
425 |
231 |
228 |
32.5 |
13,000 |
|
GPH1630T5VH |
15 |
1,630 |
1,550 |
79 |
425 |
231 |
228 |
32.5 |
13,000 |
