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Double-ended HMI lamp with SFc15.5 base, clear quartz envelope, metal end caps

Jaspertronics

Jaspertronics 55139 HMI 1200W/DXS SFc15.5 double ended lamp

SKU CH-Y17P-03TSD MPN 55139

A 1200 W double-ended HMI lamp with SFc15.5 bases, >90 CRI and hot-restrike capability for studio, film and high-speed photography fixtures

  • Product typeProject Lamp
  • Product colorAssorted
  • High color accuracy with CRI greater than 90
  • Energy efficient output reaching 100 lumens per watt
  • Pinch seal withstands temperatures up to 450°C
  • Hot restrike ignition capability for continuous operation
  • Compatible with ARRI 512-200 and Mole Richardson 6151 fixtures

Professional lighting lamp

The Jaspertronics 55139 is a 1200 W HMI double ended lamp with an SFc15.5 base. It is built for studio, TV, film and high speed photography where accurate colour rendering is essential. Solar simulation work also benefits from its stable output.

Thermal and efficiency profile

A heat dissipating round moly-foil design helps manage temperatures during normal operation. The eXtreme Seal technology allows the pinch seal to withstand up to 450 °C. Energy efficiency reaches up to 100 lm/W while the compression sealed base adds mechanical robustness.

Sustained output behaviour

Colour temperature remains stable over the lamp's lifetime, reducing the need for frequent recalibration. Hot restrike ignition is supported so the lamp can be reignited immediately after a power interruption. The robust seal and moly-foil construction maintain performance during extended production sessions.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $83.99
Pricier than about 84% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameJaspertronics
Model name55139
Part number55139
Product typeProject Lamp
Product colorAssorted

Questions about this item

How do I install the SFc15.5 double-ended lamp without damaging the pinch seal?

Align the lamp horizontally in the fixture, seat each SFc15.5 cap fully into its holder, and avoid touching the quartz envelope; the eXtreme Seal design tolerates up to 450 °C at the pinch seal but finger oils create hot spots that shorten life.

What replacement interval should I plan for this 1200 W HMI lamp?

Expect hot-restrike capability and stable colour temperature over the rated cycle; replace when output drops below 100 lm/W or colour rendering falls under 90, typically after the hours specified by the fixture manufacturer.

At what pinch-seal temperature does the eXtreme Seal limit continuous operation?

The compression-sealed base with eXtreme Seal technology is rated to 450 °C; sustained operation beyond that temperature will degrade the seal first and cause premature failure.

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