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Olec AL 83 — UV exposure lamp replacement

Metal-halide (long-arc) lamp for PCB, screen-printing and plate exposure units, 248 mm. Also listed as Olec L 1280, Alpha Cure ACP-3613 and 10 more part numbers.

Power8,000 W (published figures differ between sources — confirm on the label)
Overall length (mm)248 (US distributor catalogue); 250mm MOL (Ushio); 244mm (Alpha-Cure Amba AM1680X); 248mm (Alpha-Cure Theimer TH8220)
Arc / lighted length (mm)154mm lighted length (Ushio); 156mm (Alpha-Cure Amba AM1680X); 158mm (Alpha-Cure Theimer TH8220)
Tube diameter (mm)28mm (Ushio); 28mm (Alpha-Cure Amba AM1680X); 28mm (Alpha-Cure Theimer TH8220)
Base / connectionCeramic base, Spade Tongue contact (Ushio); Pinch seal (Alpha-Cure Amba AM1680X); Roll seal (Alpha-Cure Theimer TH8220)
Doping / spectrumUS distributor catalogue spectrum code 'Yellow' (dopant not stated); Ushio: 400-450nm Diazo
Rated life (h)600 (US distributor catalogue typical/warranty); 500 average (Ushio)

Need a replacement for the Olec AL 83?

Send the part number, a photo of the old lamp and your exposure unit model. We check length, base, doping and power and quote within 24 hours.

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Part numbers listed for this lamp

The same lamp — same overall length and spectrum — appears under all of these numbers in published replacement-lamp catalogues. Brand names identify the original part only.

BrandPart number(s)
OlecAL 83 · L 1280
Alpha CureACP-3613
BLV25280341 · MHL 280 L
TheimerTR 8220 · TH 8220
FabconL 1280
Cure UV191141
Ushio25280341 · 5000091 · MHL-280L
AmbaAM 1680 X

Equipment this lamp is listed for

Other exposure lamps with the same doping and similar length

Shown for navigation only — a lamp only fits if length, base and doping all match your unit.

Olec L1282 · 248 mmOlec L1281 · 248 mmOlec L1261 · 190 mmOlec L 1250 · 190 mmOlec L 1252 · 190 mm

Frequently asked

Which part numbers are listed for the same lamp as the Olec AL 83?

In published replacement-lamp catalogues the same lamp (same overall length and spectrum) is listed under 13 part numbers: Olec AL 83, Olec L 1280, Alpha Cure ACP-3613, BLV 25280341, Theimer TR 8220, Fabcon L 1280, Cure UV 191141, Ushio 25280341, Ushio 5000091, Amba AM 1680 X, Ushio MHL-280L, BLV MHL 280 L, Theimer TH 8220. Confirm the length, base and doping of the lamp in your unit before ordering.

Can you supply a replacement for the Olec AL 83?

Yes — send the part number on your old lamp, a photo of its label and ends, and your exposure unit model. We check overall length, base, doping and power against the original before we quote, and quote within 24 hours.

Why does the doping matter?

The metal added to the mercury fill (iron, gallium or none) sets which UV and violet wavelengths the lamp emits. Your dry film, solder mask, screen emulsion or printing plate is sensitised to particular wavelengths, so the replacement should carry the same doping as the original.

Safety: metal-halide exposure lamps contain mercury and emit strong UV. Never run one outside its housing, wear UV-blocking eye protection when servicing, handle with gloves, and return used lamps for mercury recycling.

Specifications and cross-references compiled from published lamp-maker data (Ushio, Alpha-Cure) and a US replacement-lamp distributor's catalogue. Where sources differ the values are shown side by side. Data is given for identification only — verify against your unit's manual. Lamps supplied by Kilowatt Lamps are compatible replacements and are not made by or affiliated with the brands named.

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