Campbell-scientific NR-LITE2 Net Radiometer Manuel d'utilisateur

NR-LITE2 Net RadiometerRevision: 3/13 Copyright © 1998-2013Campbell Scientific, Inc.

NR-LITE2 Net Radiometer Support Arm 26120 Pole Support Arm 26120Crossarm FIGURE 4-2. Mounting the NR-LITE2 onto a pole (top) and crossarm (bottom) v

NR-LITE2 Net Radiometer The SCWin example provided here is for no wind speed correction. SCWin also supports dynamic wind speed correction; refer to

NR-LITE2 Net Radiometer 3. Select NR-LITE2 Net Radiometer (no wind speed correction), and select the right arrow (in center of screen) to add it to th

NR-LITE2 Net Radiometer 5. Choose the outputs and then select Finish. 6. In the Save As window, enter an appropriate file name and select Save. 7

NR-LITE2 Net Radiometer 5. Overview The NR-LITE2 is used for measuring solar and far infrared radiation balance. This balance is known as the net (t

NR-LITE2 Net Radiometer FIGURE 5-1. Electrical circuit for the NR-LITE2 Net Radiometer 5.2 Spectral Properties The upwards facing sensor is calibra

NR-LITE2 Net Radiometer Error Angle of Incidence FIGURE 5-2. Cosine response of a typical net radiometer 5.4 Sensitivity to Wind Speed The calibrat

NR-LITE2 Net Radiometer Differences between the NR-Lite and CNR1 as a function of wind speed for daytime conditions during 7 May ─ 6 June, 1998. (a) N

NR-LITE2 Net Radiometer 6.1 Spectral Spectral range: 0.2 to 100 μm Detector type: Thermopile Detector protection: PTFE coating Detector profile: Con

NR-LITE2 Net Radiometer 7. Operation 7.1 Wiring The NR-LITE2 can be measured with a differential or single-ended channel on the datalogger; a differ

NR-LITE2 Net Radiometer TABLE 7-2. Datalogger Connections for Single-Ended Measurement Function Color CR10X, CR510, CR500 CR23X, 21

NR-LITE2 Net Radiometer the calibration factor into 1000. For example, if the calibration factor is 15.8 µV/(W m-2), the multiplier is: 1000/15.8 = 6

NR-LITE2 Net Radiometer 7.2.3.2 CR1000 Example Program with Wind Speed Correction Shown below is an example program written for the CR1000 datalogger

NR-LITE2 Net Radiometer VoltDiff(NR_Wm2,1,mv25,2,True,0,_60Hz,100,0) If WS_ms>=5 Then CNR_Wm2=NR_Wm2*(1+0.021286*(WS_ms-5)) Else CNR_Wm

NR-LITE2 Net Radiometer 7.2.3.4 CR10X Example Program with Wind Speed Correction This example measures the NR-LITE2 using a single-ended input and in

NR-LITE2 Net Radiometer 4: Z=X+F (P34) 1: 1 X Loc [ Wspd_m_s ] 2: -5 F 3: 24 Z Loc [ scratch_1 ] 5: Z=X*F (P37) 1:

NR-LITE2 Net Radiometer 8. Maintenance The radiometer is an ‘all weather’ instrument and is very stable, but should be handled with care. It require

NR-LITE2 Net Radiometer Conversely, if the sensor is warmer than your hand, the reading will decrease. 8. Check the radiometer’s sensitivity to therm

NR-LITE2 Net Radiometer 22

Warranty “PRODUCTS MANUFACTURED BY CAMPBELL SCIENTIFIC, INC. are warranted by Campbell Scientific, Inc. (“Campbell”) to be free from defects in materi

Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com • info@campbel

Assistance Products may not be returned without prior authorization. The following contact information is for US and international customers residing

Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to spec

Table of Contents ii 9. Troubleshooting...20 9.1 Checking Sensor Operation...

NR-LITE2 Net Radiometer 1. Introduction The NR-LITE2 is a high-output thermopile sensor which measures the algebraic sum of incoming and outgoing al

NR-LITE2 Net Radiometer 3.1 Ships With (1) WRR traceable calibration certificate (1) Mounting arm from original manufacturer (1) Bird stick from orig

NR-LITE2 Net Radiometer 4.2 Mounting The mounting bracket kit, pn 26120, is used to mount the NR-LITE2 directly to a vertical pipe, or to a CM202, CM