CM4 Pyranometer
• The CM4 Pyranometer is designed for measuring solar or artificial light irradiance under the most extreme temperature conditions
• Maximum irradiance: 4,000 W/m²
• Sensitivity: 4 to 10 μV/W/m²
• Impedance: 500 to 2000 Ω
• Response time: 18 s (95 % response), < 8 s (63 % response)
• Spectral range: 300 to 2800 nm
• Output signal: 0 to 20 mV; 4 to 20 mA (with extra module)
• Operating temperature: -40 °C to +150 °C
• Non-linearity: Max. 3 % (0 to 2500 W/m²)
• Directional error: ±20 W/m² (at 80° with a 1000 W/m² beam)
• Tilt error: Max. 1 % deviation when facing downwards
• Weight: 200 g
• Dimensions: 54 mm x 54 mm x 58 mm (L x W x H)
• 10 m high temperature signal cable included
• Self-powered
• IP 67
