4-Component Net Radiometer (CNR4)
WMO Class Quality
The Kipp & Zonen CNR4 is a precision net radiometer designed for accurate measurement of the energy balance between incoming and outgoing solar and terrestrial radiation. Cabled for seamless integration with Campbell Scientific data loggers, it provides reliable, high-quality data for scientific and environmental research.
Specifications
| Sensor | Two thermopile pyranometers, two pyrgeometers, Pt100 RTD, and thermistor |
| Measurement Description | Measures incoming and outgoing short-wave and long-wave radiation |
| Response Time | < 18 s |
| Temperature Dependence of Sensitivity | < 4% (-10° to +40°C) |
| Sensitivity | 5 to 20 μV W-1 m2 |
| Non-Linearity | < 1% |
| Tilt Error | < 1% |
| Directional Error | < 20 W m-2 (pyranometer) Angles up to 80° with 1000 W/m2 beam radiation |
| Operating Temperature Range | -40° to +80°C |
| Compliance | Conforms to the CE guideline 89/336/EEC 73/23/EEC. |
| Height | 6.6 cm (2.6 in.) dome-to-dome |
| Width | 11.1 cm (4.4 in.) |
| Length |
|
| Weight | 850 g (30.0 oz) without cable |
Pyranometer |
|
| Spectral Range | 305 to 2800 nm |
| Uncertainty in Daily Total | < 5% (The uncertainty values are for a 95% confidence level.) |
| Output Range | 0 to 15 mV (The output range is typical for atmospheric applications.) |
Pyrgeometer |
|
| Spectral Range | 4500 to 42,000 nm |
| Uncertainty in Daily Total | < 10% (The uncertainty values are for a 95% confidence level.) |
| Output Range | ±5 mV (The output range is typical for atmospheric applications.) |
Special Features
Research-Grade Accuracy
Separate SW & LW Outputs
Temperature Compensation
Ventilation Unit Compatibility
Primary Applications
Environmental Monitoring
Meteorological Stations
Solar Energy
Ecosystem Studies
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