NR-LITE2

Net Radiometer
NR-LITE2

NR-LITE2

Orderable

Net Radiometer

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Configuration

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Model:
NR-LITE2
Item Number:
45289
Warranty:
2 years

Overview

The NR-LITE2, manufactured by Kipp & Zonen and cabled for use with Campbell Scientific data loggers, is a rugged net radiometer that measures the energy balance between incoming short-wave and long-wave infrared radiation relative to surface-reflected short-wave and outgoing long-wave infrared radiation. It is directly connected to a Campbell Scientific data logger and is widely used in agriculture and hydrology applications.

Key Advantages

Weather Resistant
PTFE-coated absorbers instead of fragile dome

Technical Description

The NR-LITE2 includes two black conical absorbers—one facing upward and the other facing downward. The absorbers are coated in PTFE, making them resistant to weather without using a fragile plastic dome. Both absorbers are calibrated to an identical sensitivity coefficient.

The NR-LITE2 has a bubble level to ensure proper installation and a rod that deters birds from roosting on the sensor. It produces a millivolt signal that is measured directly by a Campbell Scientific data logger.

Product Notes

requires 26120

Benefits

  • Compatible with most Campbell Scientific data loggers
  • Integrated bubble level ensures proper installation
  • Includes rod that deters birds from roosting on the radiometer
  • PTFE-coated absorbers are weather resistant without using a fragile plastic dome

Specifications

Sensor
Two black conical absorbers—one facing upward and the other facing downward
Measurement Description
Measures incoming and outgoing short-wave and long-wave radiation
Spectral Range
0.2 to 100 µm
Response Time
< 20 s

(nominal)

Sensitivity
10 µV W-1 m2

(nominal)

Output Range
±25 mV
Measurement Range
±2000 W m-2
Operating Temperature Range
-40° to +80°C
Sensor Diameter
8.0 cm

(3.1 in.)

Support Arm Diameter
1.6 cm

(0.6 in.)

Support Arm Length
80 cm

(31.5 in.)

Sensor Weight
200 g

(7.0 oz)

Support Arm Weight
635 g

(23 oz)

Ships With

(3)
  • WRR Traceable Calibration Certificate
  • Mounting Arm from original mfg
  • Bird Stick from original mfg

Compatibility

Mounting

To avoid shading/reflections and to promote spatial averaging, the NR-LITE2 should be mounted at least 1.5 m above the ground or crop canopy and away from all obstructions or reflective surfaces that might adversely affect the measurement. Campbell Scientific recommends mounting the NR-LITE2 to a separate vertical pipe at least 25 ft away from other mounting structures. The 26120 Net Radiation Sensor Mounting Kit is used to mount the NR-LITE2 to a vertical pole or a horizontal crossarm, such as the CM202, CM203, CM204, or CM206.

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