Environmental laboratory
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Kipp & Zonen (The Netherlands) introduces a new bench-mark in net radiometry. The new CNR 4 is the only net radiometer available that combines four sensors into one housing, complies with the World Meteorological Organisation standard ‘Good Quality’ and has an integrated ventilation unit.
The CNR 4 net radiometer measures the energy balance between incoming short-wave and long-wave Far Infrared (FIR) radiation versus surface-reflected short-wave and outgoing long-wave radiation. CNR 4 consists of a pair of pyranometers and a pair of pyrgeometers. One set facing upward and one set facing downward. All 4 sensors are integrated directly into one elegant instrument body, instead of separate modules mounted onto a housing. Each sensor is calibrated individually for optimal accuracy. CNR 4 is built on the legacy of the popular CNR 1, but is improved in almost every aspect. CNR 4’s unique design is very light weight with an integrated sun shield to reduce thermal effects on the measurements. The meniscus dome of the upper pyrgeometer gives significantly better long-wave measurements. The optional CNF 4 ventilation unit is a unique and efficient way to reduce dirt, precipitation, dew and frost on the sensors. CNR 4 is the perfect choice for meteorological, hydrological and agricultural scientific research.For more information please visit www.kippzonen.com.
IET 36.5 Sept/Oct 2026
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