The OSRAM Powerstar HQI-TS Excellence light bulb contains high-pressure mercury and a mixture of dysprosium, holmium and thallium halides (MHN-TD), or tin iodide (MHW-TD), with sodium thallium added for colour correction and arc stabilisation.
It's a double-ended lamp housed in a tubular clear UV-block quartz evacuated outer envelope.
All types are UV-block for reduced health and fading risks.
Specifications:
Fitting/Base: RX7s-24
Wattage: 150W
Colour Temperature: 5400k
Luminous Flux: 12500lm
Nominal Current: 1.8A
Life Span: 12000H
UV Protection: Yes
Maximum Permitted Pinch Temperature:350 °C
Burning Position: p45
Light Centre Length: 66mm
Overall Length: 135mm
Weight: 22g
Dimmable: No
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