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| 修理 | 非対応 |
| フリーサポート | 非対応 |
概要
The CNR2 is a net radiometer that measures the energy balance between incoming short-wave and long-wave infrared radiation versus surface-reflected short-wave and outgoing long-wave infrared radiation. It is directly connected to a Campbell Scientific data logger and is ideal for use in field studies.
続きを読む利点と特徴
- Separate outputs for short- and long-wave radiation
- Compatible with most Campbell Scientific data loggers
- Integrated bubble level ensures proper installation
- Replaceable drying cartridge prevents internal condensation
- Glass domes and silicon windows protect the two differential thermopile detectors from environmental factors
イメージ
詳細
The CNR2 Net Radiometer consists of a pyranometer and pyrgeometer pair that face upward and a complementary pair that face downward. The pyranometers and pyrgeometers measure short-wave and far infrared radiation, respectively. Field-of-view is 180 degrees for the upper pyranometer, and 150 degrees for the lower pyranometer. Both upper and lower pyrgeometers provide a 150 degree field-of-view.
Glass domes and silicon windows protect the sensors from environmental factors, minimize the effects of wind and rain on measurements, and are easy to clean. Replaceable drying cartridges prevent condensation on the sensors.
The CNR2 outputs a millivolt signal that our data loggers measure.
仕様
| Pyranometer Spectral Range | 310 to 2800 nm |
| Pyrgeometer Spectral Range | 4.5 to 42 μm |
| Response Time | < 10 s |
| Temperature Dependence of Sensitivity | < 5% (-10° to +40ºC) |
| Sensitivity Range | 10 to 20 μV W-1 m2 |
| Pyranometer Output Range | 0 to 50 mV |
| Pyrgeometer Output Range | ±5 mV |
| Sensitivity Change | < 1% (per year) |
| Tilt Error | < 1% |
| Uncertainty in Daily Total | < 10% |
| Sensor Asymmetry | < 5% |
| Directional Error | < 20 W m-2 (pyranometer) |
| Operating Temperature | -40° to +80°C |
| CE Compliance | Conforms to the CE guideline 89/336/EEC 73/23/EEC. |
| Dome Diameter | 1.5 cm (0.6 in.) |
| Length | 19.5 cm (7.7 in.) |
| Weight | 250 g (8.8 oz) without cable |
| Cable Weight | 300 g (10.6 oz) with 9.1-m (30-ft) length |
互換性
注意： 以下は代表的な互換性情報を示しています。互換性のある製品や互換性のない製品をすべて網羅したリストではありません。
Data Loggers
| 製品 | 互換性 | 注意 |
|---|---|---|
| 21X (リタイア) | ||
| CR10 (リタイア) | ||
| CR1000 (リタイア) | ||
| CR10X (リタイア) | ||
| CR200X (リタイア) | ||
| CR206X (リタイア) | ||
| CR211X (リタイア) | ||
| CR216X (リタイア) | ||
| CR23X (リタイア) | ||
| CR295X (リタイア) | ||
| CR3000 (リタイア) | ||
| CR500 (リタイア) | ||
| CR5000 (リタイア) | ||
| CR510 (リタイア) | ||
| CR800 (リタイア) | ||
| CR850 (リタイア) | ||
| CR9000 (リタイア) | ||
| CR9000X (リタイア) |
互換性に関する追加情報
Mounting
To avoid shading and to promote spatial averaging, the CNR2 should be mounted at least 1.5 m above the ground and away from obstructions. It can be attached to a vertical pipe or horizontal crossarm (CM202, CM204, or CM206). To do this, first connect the radiometer to the 26127 Mounting Boom. The mounting boom then attaches to the pipe or crossarm via the 26120 Net Radiation Sensor Mounting Kit. The kit includes adjustment screws for leveling the CNR2. Sensitivity is reduced when the radiometer is not level (see tilt-error in specifications).
The 26127 Mounting Boom began shipping with the CNR2 in January 2010. If you purchased the radiometer before January 2010 or bought it directly from Kipp & Zonen, you need to purchase the 26127 Mounting Boom from Campbell Scientific in order to mount the CNR2 to a crossarm or pole via the 26120 mounting kit.
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