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Important features :
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The CMP 6 pyranometer is intended for routine global solar radiation measurement research on a plane/level surface.
Fully compliant with ISO 9060:2018 - spectrally flat, class B specification (formerly ISO 9060:1990 first class), the CMP 6 features a sixty-four thermocouple junction (connected in series) sensing element. The sensing element is coated with a highly stable carbon based non organic coating, which delivers excellent spectral absorption and long term stability characteristics.
CMP 6 has a similar detector to the CMP 3, but has improved performance due to the increased thermal mass and the double glass dome construction. It is ideal for cost-effective, good quality, measurements in hydrological networks and agriculture.
The integrated bubble level is raised to the top of the housing and can be viewed without removing the snap-on sun shield, which also covers the signal cable connector. The connection with weatherproof connectors allows easy replacement and recalibration.
The screw-in drying cartridge is easy to remove and the replacement desiccant is supplied in convenient refill packets.
The pyranometer does not require any power. His output signal is a low voltage around 0 - 20 mV in relation to the amount of incoming radiation. When a higher signal level (0 - 1 V or 4 - 20 mA) is required, the choice of an AMPBOX or the SMART PYRANOMETER Model SMP 6 has to be considered.
Specifications
| Spectral range (50% points) | 285 to 2800 nm |
| Sensitivity | 5 - 20 µV/W/m² |
| Response time | 18 s |
| Zero offset - thermal radiation (at 200 W/m²) |
< 10 W/m² |
| Zero offset - temperature change (5 K/h) |
< 4 W/m² |
| Directional response (up to 80° with 1000 W/m² beam) | < 20 W/m² |
| Temperature dependence of sensitivity (-10ºC to +40ºC) | < 4 % |
| Operational temperature range | -40...+80°C |
| Field of view | 180° |
| Maximum solar irradiance | 2000 W/m² |
| Overall accuracy | ± 5 % |
