2012年8月4日星期六

light bulbs terms


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Rated power:
The design of the lamp (tube) power led replacement bulbs in units of W

Full power:
Given rated Lai rate of some kind of gas discharge their bal last power loss and the.

Rated luminous flux:
Some kind of light bulb given by the manufacturer of the initial luminous flux value under specified conditions, Lm.

Life:
The light bulb lit to failure, or in accordance with certain prescribed standards, points to the total ignition time when the state can no longer use.

Average life:
When the number of lights to 50% of the number of damage to the number of hours. Unit: hours (h).

Economic life:
Taking into account the damage of the bulb and the output attenuation of the beam conditions, the beam output is reduced to a specific number of hours. Outdoor light source for 70%, 80% indoor light.

Luminous flux to maintain the rate of:
Lamp luminous flux than its initial luminous flux of a given ignition time, usually expressed as a percentage.

Luminous efficiency:
Light flux and light consumption of electric power providers, units of 1m / W.

Start voltage:
The gas discharge lamp to start the continuous discharge electrodeless lamp between the two electrodes of the minimum required voltage. The lamp voltage is applied between the two contacts of the light source lamp voltage.

Rated voltage:
The design of the lamp (tube) voltage.

Starting current:
The gas discharge lamp current when the lamp to start. General starting current than the normal operating current.

Lamp current:
Light bulbs (tube) stable work, the lamp current.

Rated current:
Light bulbs (tube) design current at the rated voltage work.

Start time:
The gas discharge lamp from the power switch to light the normal time needed for the work.

Re-start time:
Gas discharge lamp and stability work, disconnect the power from the power switch again to light the normal work required to re-start time.

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