CNR 1 combines two thermopile pyranometers for solar radiation measurement (incoming / reflected / albedo / balance) with two thermopile pyrgeometers
for far infrared measurement (balance / ground surface temperature / sky temperature).

• Signal outputs: 2 x 2
• Temperature output:: 1
• Response time (95%): <18 s
• Offset type A: <15 W/m2
• Offset type B: < 4 W/m2
• Window heating offset: <25 W/m2
• Optional heated ventilation unit CNRV
• Field of view: 180° for SW, 150° for LW
• Directional error: <25 W/m²
• Temperature dependence of sensitivity:4% (-10 ºC to +40 ºC)
• Daily uncertainty: <4% for SW, not specified for LW
• Expected output range under atmospheric conditions:
  0 to +50 mV for DW
  -5 to +5 mV for LW
• Heater: 12 V DC, 6 W
• Operating temperature: -40 to +80 °C
• Weight, including rod, without cable: 2500 g
  Cable length: 10 m