|
ADD TO CART |
DESCRIPTION | LAMP | Case Qty. | PRICE |
|---|---|---|---|---|
| 108228 |
Pulse Start MH 50 Watt, 4000K, Medium Base,
Clear, Universal Burn, ED17
|
12 |
15.47
|
|
|
108246
|
Pulse Start MH 70 Watt, 4000K, Medium Base,
Clear, Universal Burn, ED17
|
12 |
15.47
|
|
|
108254
|
Pulse Start MH 100 Watt, 4000K, Medium Base,
Clear, Universal Burn, ED17
|
12 |
15.57
|
|
|
60003
|
Pulse Start MH 100 Watt, 4000K, Mogul Base, Clear, Universal Burn, ED28 |
12 |
15.77
|
|
|
60007
|
Pulse Start MH 125 Watt, 4000K, Medium Base,
Clear, Horizontal/Base Up, ED17
|
12 |
21.31
|
|
|
108258
|
Pulse Start MH 150 Watt, 4000K, Medium Base,
Clear, Universal Burn, ED17
|
12 |
15.47
|
|
|
108305
|
Pulse Start MH 150 Watt, 4000K, Mogul Base, Clear, Universal Burn, ED28 |
12 |
15.77
|
|
|
60002
|
175W Pulse Start MH, Base Up, Medium Base ED17 |
12 |
16.57
|
|
|
MS175/ED17/PS/BU/4K
|
Pulse Start MH 175 Watt, 4000K, Mogul Base, Clear, Base Up, BT28 | 12 | 10.49 | |
|
MS200/ED28/PS/BU/4K
|
Pulse Start MH 200 Watt, 4000K, Mogul Base,
Clear, Base Up, ED28
|
12 |
10.49
|
|
|
MS250/ED28/PS/U/4K
|
Pulse Start MH 250 Watt, 4000K, Mogul Base, Clear, Base Up, ED28 | 12 |
10.93
|
|
|
MS250/ED28/PS/BU/4K
|
Pulse Start MH 250 Watt, 4000K, Mogul Base,
Clear, Horizontal/Base Up, ED28
|
12 | 15.73 | |
|
MS320/ED28/PS/HBU/4K
|
Pulse Start MH 320 Watt, 4000K, Mogul Base, Clear, HBU, BT28 | 12 | 11.68 | |
|
MS350/ED37/PS/BU/4K
|
Pulse Start MH 350 Watt, 4000K, Mogul Base, Clear, Base Up, BT37 | 12 | 13.09 | |
| MS400/ED37/PS/BU/4K | Pulse Start MH 400 Watt, 4000K, Mogul Base, Clear, Base Up, ED37 | 12 | 14.03 | |
| MS400/ED28/PS/U/4K |
Pulse Start MH 400 Watt, 4000K, Mogul Base,
Clear, Universal, ED28
|
12 |
15.73
|
|
| MS750/BT37/PS/HBU/4K |
Pulse Start MH 750 Watt, 4000K,
Mogul Base, Clear, Horizontal Base Up, BT37
|
12 |
20.83
|
|
|
60014
|
Pulse Start MH 875 Watt, 4000K, Mogul Base,
Clear, Universal, BT37
|
6 |
48.76
|
|
| MS1000/BT37/PS/U/4K |
Pulse Start MH 1000 Watt, 4000K, Mogul Base,
Clear, Universal, BT37
|
6 |
23.80
|
Operation
Like other gas-discharge lamps such as the very-similar mercury-vapor lamps, metal halide lamps produce light by passing an electric arc through a mixture of gases. In a metal halide lamp, the compact arc tube contains a high-pressure mixture of argon, mercury, and a variety of metal halides.
The mixture of halides will affect the nature of light produced, influencing the correlated color temperature and intensity (making the light bluer, or redder, for example). The argon gas in the lamp is easily ionized, and facilitates striking the arc across the two electrodes when voltage is first applied to the lamp. The heat generated by the arc then vaporizes the mercury and metal halides, which produce light as the temperature and pressure increases. Common operating conditions inside the arc tube are 70-90 psi (480-620 kPa) and 2000 °F (1090 °C)[citation needed].
Like all other gas discharge lamps, metal halide lamps require auxiliary equipment to provide proper starting and operating voltages and regulate the current flow in the lamp.
About 24% of the energy used by metal halide lamps produces light (65-115 lm/W[1]), making them generally more efficient than fluorescent lamps, and substantially more efficient than incandescent bulbs.
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