The NR Lite2 is a single component net radiometer used for monitoring the difference in incoming radiation from the Sun and sky and outgoing radiation from the ground. The NR Lite2 uses a double-sided thermopile detector fitted with black PTFE coated conical absorbers with a single output for the net radiation. The sensor covers a very wide spectral response from the Ultraviolet (UV) to far infrared (FIR). The NR Lite2 has an integral mounting rod for fitting to masts and poles with a 15m signal cable and stick to prevent birds settling on the sensor. The single output and wide spectral range makes this units ideal for monitoring the total net radiation in a wide range of different applications.
The NR Lite 2 is used for measuring solar and far infrared radiation balance, the net (total) radiation. The upward facing sensor measures the incoming Ultraviolet (UV) and Far InfrarRed (FIR) radiation coming from the entire atmosphere, The paired downward facing sensor measures the radiation reflected from the surface below. The two readings are then automatically subtracted and the resulting output from the NR Lite 2 shows the net radiation at that location in Watts per square meter (Wm²).
The NR Lite 2 is designed for continuous outdoor use with the sensor surfaces coated with PTFE. This allows for a wide spectral range from 200nm up to 100µm, whilst providing a long life and easy maintenance. The sensor is not protected and is in direct contact with weather conditions. Therefore it cools down a lot faster due to wind and the top sensor can be covered by snow and ice. Additional wind speed monitoring can be used to correct for the wind speed sensitivity. Correction factors are included in the manual supplied with the unit to correct for a given wind speed.
Applications
Diagram
Specifications
| Sensitivity: | 10µV/Wm² (nominal) |
| Spectral Range: | 200nm – 100,000nm |
| Expected Output Range: | 200 to +1000Wm² |
| Operating Temperature: | -40 to +80ºC |
| Response Time: | <60 secs (95%) |
| Detector Protection: | PTFE coated |
| Field of View: | 180° upper and lower sensor |
| Mounting Rod: | Fixed, 20mm diameter, 800mm long |
0344920-003
£1,546.00
0369701
£304.00
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