- ISO 9060 Spectrally Flat Class C
- Heat resistant instrument design
- Extended operating temperature range
- Excellent temperature dependency
The Kipp & Zonen CM4 High Temperature Pyranometer is a radiometer specially designed for measuring solar or artificial light irradiance under the most extreme temperature conditions.
With an operating temperature range of -40 ºC to +150 ºC and measurement up to 4000 W/m² it is a unique product. All the radiometer components are specially selected for their ability to withstand these extremely high temperatures and irradiance. The CM4 is supplied with a 10 m high temperature signal cable fitted to the instrument.
The CM4 High Temperature Pyranometer has internal first-order temperature compensation, but it is also supplied with a built in Pt-100 temperature sensor to provide additional information on the measurement conditions. Monitoring the temperature during operations allows easy data correction afterwards for improved measurement accuracy.
CM4 is supplied with a calibration table that gives the instrument sensitivity for a number of measurement temperature ranges and the maximum error in the measured irradiance values within each range.
The screw-in drying cartridge is easy to remove and the replacement desiccant is supplied in convenient refill packets.
|Spectral range (50% points)||300 to 2800 nm|
|Sensitivity||4 – 10 µV/W/m²|
|Response time||< 8 s|
|Zero offset A||< 4 W/m²|
|Zero offset B||< 15 W/m²|
|Directional response (up to 80° with 1000 W/m² beam)||< 20 W/m²|
|Temperature dependence of sensitivity (over any 50 °C interval in the range from -20 °C to +150 °C)||< 3 %|
|Operational temperature range||-40 °C to +150 °C|
|Maximum solar irradiance||4000 W/m²|
|Field of view||180 °|
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