NR Lite2 is a single-component net radiometer widely used in agriculture and hydrology. The thermopile detector is fitted with black PTFE coated conical absorbers on both sides that have a very wide spectral response from the ultraviolet (UV) to the far infrared (FIR). The signal output is the difference between the sun and sky radiation and the ground radiation and can be positive or negative, depending upon the conditions.
There is an integral mounting rod for fitting to masts and poles, a bubble level, 15 m long signal cable, and a stick to prevent birds settling on the instrument. The single output means that the short-wave and long-wave components and the upwards and downwards components cannot be separated. For this, use our four-component CNR 4 net radiometer.
Number of signal outputs: 1 – net total radiation
Pyrgeometer temperature sensors: N/A
Response time (95 %): < 60 s
Non-linearity (over full range): < 1 %
Temperature dependence of sensitivity: – 0.1 % / °C (typical)
Sensitivity: 10 µV/W/m² (nominal)
Operating temperature: -40 °C to +80 °C
Spectral range (50 % points): 200 nm to 100 µm
Field of view: 180 ° upper and lower sensor
Mounting rod: Fixed, 800 mm long x 20 mm Ø
Standard cable: 15 m fixed cable
Cable lenght options: N/A
Weight with rod (excluding cable(s)): 490 g
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