This listing is for one (1) Deuterium (D2) UV Arc Lamp manufactured by Cathodeon. 

The lamp sits in its original box with West German factory labeling and extensive technical handwritten notes.

CONDITION & VISUAL INSPECTION

• Status: Open Box, untested, sold as is.

• Glass: Crystal clear quartz envelope. No internal "silvering," "clouding," or "soot" deposits.

• Lettering: Please note that the factory silk-screened lettering on the lamp body has faded/flaked due to age (see photos). 

TRANSCRIPTION OF ALL BOX MARKINGS To assist with compatibility and history, all text on the box is transcribed below:

Factory Printed Label:

• Deuteriumlampe DO 946 J 56069144

• Part Number: 635-0946 B1

• Origin: Made in WEST GERMANY

Handwritten Notes (Side A):

• “Till Hitachi spectrofotometer” (Swedish for: For Hitachi spectrophotometer)

Handwritten Notes (Side B):

• “Hitachi - PE” (Referencing Hitachi and Perkin-Elmer)

• “101 & 102”

• “Ser. 100, 200” (Referencing 100 and 200 Series instruments)

Handwritten Notes (Side C - Laboratory Stock Notes):

• “Ny Lampa” (Swedish for: New Lamp)

• [Note: There is a crossed-out sentence following "Ny Lampa", “men den siffer-räkn fork.” (Swedish referencing the numbers/display or the fork connectors)]

• “D2 Lampa f. 100 serien” (Swedish for: D2 Lamp for 100 series)

• “Art.nr 242.982 Kebo Lab” (Swedish distributor part number)

• Märke: Cathodeon C 70–12V–HK1” (Technical Model: Cathodeon C70, 12 Volt) 

TECHNICAL SPECIFICATIONS

• Manufacturer: Cathodeon 

• Heater Voltage: 12V

• Type: Deuterium (D2)

• Expected Life: 1,000-2,000 hours (as per manufacturer standard)

SHIPPING

• Ships from Spain, Europe

• Dispatched within 1 business day.

• Packed to ensure safe international transit.

• Local pickup available (29680 Spain)

Hitachi 635-0946, Cathodeon DO946J, 56069144, D2 lamp, deuterium UV lamp, spectrophotometer bulb, HPLC detector lamp, Perkin Elmer 100 series, Hitachi 200 series, lab spare parts, UV-Vis source, West Germany lab equipment.