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

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

The SIRIUS HRI 470W XL lamp with an integrated reflector is designed for professional moving heads, spotlights and profile floodlights used in stage, television and studio lighting. It provides high brightness and stable luminous flux, which is critical for precise beam formation and maintaining consistent color rendering in high-end optical systems.

Lamp type: Short-arc metal halide reflector lamp
Model: SIRIUS HRI 470W XL
Rated power: 470 W
Rated lamp voltage: 70 V
Lamp operating current: 6.7 A
Ignition voltage (cold start): 23 kV
Ignition voltage (minimum operating): 200 V
Maximum ignition current: 10 A
Voltage tolerance: ±5 V
Current tolerance: ±0.3 A
Ballast power consumption: 550 Watt
Nominal luminous flux: 22,000 lm
Brightness: 300,000 cd
Color temperature: 7,500 K
Color rendering index (CRI): >80 Ra
Luminous efficiency: 47 lm/W
Beam angle: 5°
Luminous flux falloff coefficient at 2,000 hours: 70%
Luminous flux falloff coefficient at 3,000 hours: 60%
Average life: 3,000 h
Warm start time (90% brightness output): 90 sec
Hot restart time: 10 sec
Operating position: P20 (±20°)
Number of cycles On/Off Switch: 1500
Torch Type: Short Arc
Arc Length: 1.1 mm
Overall Length: 68 mm
Maximum Diameter: 58 mm
Socket/Connector Type: Ceramic Terminal
Weight: 100 g
Reflector Material: Heat-Resistant Glass with Multilayer Coating
Torch Bulb Material: Quartz Glass
Electrode Material: Tungsten
Maximum Base Temperature: 350 °C
Maximum Torch Bulb Temperature: 900 °C
Ambient Operating Temperature Range: 5 °C - 40 °C
Storage Temperature Range: -20 °C - 70 °C
Mercury Content: 35 mg
Energy efficiency class: C