240-CMP3 Pyranometer/Albedometer
The 240-CMP3 Pyranometer is an instrument used to measure solar irradiance. Its thermopile sensor construction measures solar energy received from the entire solar spectrum and the entire hemisphere (180-degree field of view). Two CMP3s can easily be mounted back-to-back to create an inexpensive albedometer.
The 240-CMP3 Pyranometer is an instrument for measuring solar irradiance. The thermopile sensor construction measures the solar energy that is received from the total solar spectrum and the whole hemisphere (180 degrees field of view). The output is expressed in watts per square meter. The CMP3 is designed for continuous indoor and outdoor use. The CMP3 Pyranometer (ISO Second Class) is intended for shortwave global solar radiation measurements in the spectral range from 310 to 2800 nm. The thermopile detector measures irradiance up to 2000 W/m² with a response time of less than 18 seconds and typical sensitivity of 10 µV/W/m² that varies by less than 5% from -10 °C to +40 °C. The operating temperature range is -40 °C to +80 °C and the stability is better than 1% per year.
The CMP3 Pyranometer features a snap-on white sun shield, integrated leveling, and a weatherproof connector which is supplied prewired with 10 meters of signal cable for simple installation. An optional mounting rod and longer cable lengths are available. Two CMP3s can easily be mounted back-to-back to make a low cost albedometer.
Specifications
- Spectral range: 300 to 2800 nm
- Sensitivity: 5 to 20 µV/W/m²
- Response time: 18 seconds
- Zero offset A: < 15 W/m²
- Zero offset B: < 5 W/m²
- Directional error (up to 80° with 1000 W/m² beam): < 20 W/m²
- Temperature dependence of sensitivity (-10 ºC to +40 ºC): < 5%
- Operational temperature range: -40 °C to +80 °C
- Maximum solar irradiance: 2000 W/m²
- Field of view: 180°
- Housing material: Anodized aluminum body
- Dimensions: 79 x 67 mm
- Weight: 300g and 600g with cable
