GE EZT Marc 350/16T Lamp

Discontinued-No Remaining Stock-No Substitute

Lamps ordered will generally be shipped the next business day by USPS Priority Mail or UPS, check here for Shipping Information. Large orders may qualify for a discount and may not qualify for next day shipment. If you do not know what lamp you require or for lamps not listed, email your request or call 336-882-2854. To order, please use our secure shopping cart or call 336-882-2852 or 800-692-3051. Click to go to our Home Page and View Cart.

Note:
WARNING
Risk of electrical shock
   Turn power off before inspection,installation or removal
Risk of fire
   Keep combustible material away from lamp
   Use in enclosed fixtures rated for this product
Pressurized lamp-unexpected rupture may cause injury,fire, or property damage
   Do not exceed 110% of rated voltage
   Avoid direct water/liquid contact
   Use in encloded fixtures rated for this product
   Do not use lamp if outer glass is scratched or broken

CAUTION
Risk of burn
   Allow lamp/fixture to cool before handling
   Turn off power before installing lamp
Lamp may shatter and cause injury if broken
   Do not use lamp if outer glass is scratched or broken
   Dispose of lamp in enclosed container.
Should not be operated for periods of less than three minutes.

The GE family of "Marc" and "Gemini" lamps are short arc metal halide products, which were developed during the 1970's specifically for the projection of 16mm films.

They are characterised by the very short arc gap, made possible by operating the lamp at very much higher pressures than would normally be encountered - typically in excess of 50 atmospheres.  All types are intended for DC operation, hence the asymmetric appearance of the arc tube to account for the different electrode sizes.

Despite being made from quartz and with no front glass, a unique feature of these lamps is that they generate no UV output. This is owing to the high concentration of indium bromide in the arc tube, a useful feature of indium being that its vapour absorbs radiations below about 380nm.  Consequently any UV emitted in the arc is absorbed by the indium vapour in the arc tube, and is unable to be transmitted.

The arc tube is mounted axially within a dichroic coated reflector.  This delivers a cool beam of light forward, while allowing some 60% of the heat to escape out the rear of the lamp.  Electrical connection is by means of a special 2-pin plug, asymmetrically designed  to ensure that the correct arc tube polarity is maintained.

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Cross reference information is designed to help you find the correct lamp for your application. We do not verify the accuracy of this information. You are responsible for ordering the correct lamp and we make every attempt to help you in that process. We recommend that you confirm the information with the equipment manufacturer before ordering.

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