OSRAM SIRIUS HRI 470W RO short-arc metal halide lamp with reflector

Description OSRAM SIRIUS HRI 470W RO short-arc metal halide lamp with reflector

The OSRAM SIRIUS HRI 470W RO gas-discharge metal halide lamp with integrated reflector is designed for professional stage and event lighting systems, such as moving heads. It delivers high brightness and beamforming accuracy, which is critical for dynamic optical systems in the entertainment industry.

Nominal Power: 470 W
Nominal Lamp Voltage: 80 V
Nominal Lamp Current: 5.8 A
Start Voltage (Cold Start): >23 kV
Luminous Flux: 28,000 lm
Color Temperature: 7000 K
Color Rendering Index Ra: ≥80
Peak Light Intensity: 2.2 MCd
Arc Brightness: 1000 MCd/m²
Light Distribution: Uniform Light Spot
Overall Length: 60.0 mm
Maximum Diameter: 56.0 mm
Arc Gap Length: 1.1 mm
Weight: 95 g
Socket type: Integrated reflector
Mercury content: 80 mg
Average life (B50): 1500 h
Luminous flux retention coefficient after 1000 h: 0.85
Firing position: Any
Cooling: Forced
Hot restart capability: No
Maximum permissible temperature at the clamping point: 350 °C
Dimmable: Yes