The Comet series is high power water cooled thermal sensors that is simple to use, economical but also highly accurate. It operates by measuring the heat rise from a 10 second exposure to a laser beam and thereby calculates the laser power.

Comet 1K: Portable low-cost power probe for low powers
• Spectral Range: 0.2-20μm
• Power range: 20W-1kW
• Aperture: Φ50mm

Comet 10K: Portable low-cost power probe for high powers
• Power range: 200W-10kW
• Aperture: Φ100mm
• Spectral Range: YAG & CO2

Comet 10K-HD: Portable low-cost power probe with high damage threshold
• Aperture: Φ55mm
• Power range: 200W-10kW
• Spectral Range: YAG & CO2