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KIPP ZONEN CGR4 longwave radiation meter
NegotiableUpdate on 04/25
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Overview
KIPP ZONEN CGR4 longwave radiation meter: CGR4 may be the ideal scanner currently used, not only for scientific applications but also for solar radiation monitoring networks such as the World Meteorological Organization Base Radiation Network (BSRN). CGR4 has a specially designed semi-circular silicon window that provides 180 #176; The field of view has a hard carbon coating on the outside to smooth spectral response and provide additional surface protection.
Product Details
-KIPP ZONEN CGR4 longwave radiation meterWorking Principle:
CGR4 may be the ideal scanner currently in use, not only for scientific applications but also for solar radiation monitoring networks such as the World Meteorological Organization Base Radiation Network (BSRN). CGR4 has a specially designed semi-circular silicon window that provides a 180 ° field of view and has a hard carbon coating on the exterior to smooth spectral response and provide additional surface protection. Each instrument has its own temperature response data, ranging from -20 ° C to+50 ° C, with every 10 ° C represented in hexadecimal. A 10K thermistor internal temperature sensor has been installed and a Pt-100 sensor can be selected. The solar longwave radiation meter uses infrared window materials to absorb most of the shortwave solar radiation and creates a setting in the reading. This usually requires shielding ultraviolet radiation from direct solar radiation to minimize this heating effect. However, the * design of CGR4 can set the dome heating to a negligible level (especially during ventilation) without the need for dome temperature measurement or dome shading..
-KIPP ZONEN CGR4 longwave radiation meterInstrument features:
The CGR4 silicon glass window transmits infrared radiation, and the internal thin film coating blocks short wave solar radiation from reaching the thermopile detector, with a field of view of 180 degrees. The compact and sealed structure makes this instrument an ideal choice for horticulture and agriculture. Installation screws can be used to install the rod, making it easy to install.
| Technical Specifications | |
|---|---|
| Specifications | |
| Spectral Range (Overall) | 4.4 to 50 μm |
| Spectral range (50% points) | 5 to 15 μV/W/m² |
| sensitivity | 4.5 to 42 μm |
| impedance | 20 to 200Ω |
| Expected output range (-200~200W/m2) | -3 to 3mV |
| Effective wavelength range (net) | -250 to 250 W/m² |
| Response time (63%) | < 6 s |
| Response time (95%) | < 18 s |
| zero drift (b) Temperature variation (5 K/h) |
< 2 W/m² |
| Silicon window thermal drift (with 1000 W/m ² direct radiation) |
< 4 W/m2 |
| Instability (change/year) | < 1% |
| Nonlinear (-250 to 250 W/m ²) | < 1% |
| Spectral selectivity (8 to 14 μ m) | < 5% |
| temperature response | < 1% (-20 °C to +50 °C) |
| Directional response (0 ° to 90 ° at ± 250 W/m ²) | < 1% |
| vision | 180° |
| Bubble accuracy | < 0.1° |
| Temperature sensor output | 10K Thermistor (optional Pt-100) |
| Sensor type | Thermoelectric stack |
| Working temperature range | -40°C to +80°C |
| Storage temperature range | -40°C to +80°C |
| humidity range | 0 to 100% non condensing |
| (IP) Protection level | 67 |
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