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1
GENERAL INFORMATION
1.1
INTRODUCTION
The CM 4 High Temperature Pyranometer is an instrument for
measuring solar or artificial light irradiance. The instrument is
specially designed for usage under extreme irradiance and
temperature conditions. With an operating temperature range of
-40°C to +150°C and measurement up to 4000 W/m² it is a unique
product. All the radiometer components, including the signal cable,
are specially selected for their ability to withstand these extremely
high temperatures and irradiances.
In particular the CM4 has been developed for applications in an
industrial environment. The pyranometer is designed for both
continuous indoor and outdoor use. Because of the fact that it has a
flat spectral sensitivity from roughly 0.3 to 3 microns, its calibration is
valid for natural sunlight and for most types of artificial light (e.g.
Xenon lamps, halogen lamps).
CM 4 features:
•
Robust and high temperature resistant construction and
cable
•
Unique temperature compensation of sensor sensitivity
•
Low non-linearity
•
Exchangeable with meteorological field pyranometers
•
Easy maintenance with easily accessible drying cartridge
•
Built-in Pt-100 4-wire temperature sensor
1. GENERAL INFORMATION
9
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