OSRAM SIRIUS HRI 231W short-arc metal halide lamp with reflector

Description OSRAM SIRIUS HRI 231W short-arc metal halide lamp with reflector

The OSRAM SIRIUS HRI 231W lamp is a short-arc metal halide lamp with an integrated reflector, designed for professional moving heads and effect lighting fixtures. It delivers high brightness and a stable, precise light beam required for dynamic light shows and special effects in the entertainment industry.

Nominal power: 231 W
Rated lamp voltage: 80 V
Rated lamp current: 2.89 A
Maximum starting voltage: 23 kV
Cold start time to 80% luminous flux: 60 s
Hot restart time: 15 min
Nominal luminous flux: 11000 lm
Luminous efficacy: 47.6 lm/W
Color temperature: 7500 K
Color rendering index (Ra): 80
Chromaticity coordinates x: 0.306
Chromaticity coordinates y: 0.309
Peak luminous intensity: 350,000 cd
Beam divergence angle: 8°
Overall length: 60 mm
Reflector diameter: 51.4 mm
Arc length: 1.1 mm
Weight: 72 g
Reflector type: Integrated parabolic
Connection type: Dedicated two-pin
Nominal life (L70/B50): 3,000 h
Operating position: Any
Maximum ambient temperature: 50 °C
Maximum temperature at the mounting point: 350 °C
Mercury content: 13.5 mg
Discharge type: Short arc
Filling gas type: Metal halide
UV protection: Integrated in the bulb