Campbell-scientific NR01 Net Radiometer Manual de usuario

NR01 Four-ComponentNet Radiation SensorRevision: 8/11Copyright © 2008-2011Campbell Scientific, Inc.

NR01 Four-Component Net Radiation Sensor The black coating on the thermopile sensor absorbs the solar radiation. This radiation is converted to heat.

NR01 Four-Component Net Radiation Sensor To attain the proper directional and spectral characteristics, a pyrgeometer’s main components are: 1 Therm

NR01 Four-Component Net Radiation Sensor coefficient of 1). For example, equation 2.4-2 calculates, in Kelvin, the sky temperature: Tsky = (LWin /5.6

NR01 Four-Component Net Radiation Sensor TABLE 2.5-1. Average Global Radiation Values at the Earth Surface Type SW in SW out SW net LW in LW out LW

NR01 Four-Component Net Radiation Sensor #Outputs listed for both of the pyrgeometers are not compensated for sensor temperature. For example, to corr

NR01 Four-Component Net Radiation Sensor 3.1 NR01 General Specifications TABLE 3.1-1. General Specifications of the NR01 ISO and WMO classification

NR01 Four-Component Net Radiation Sensor 3.2 SR01 Pyranometer Specifications TABLE 3.2-1. Specifications of SR01 SR01 ISO / WMO Specifications Over

NR01 Four-Component Net Radiation Sensor 3.3 IR01 Pyrgeometer Specifications TABLE 3.3-1. Specifications of IR01 IR01 Specifications Overall classi

NR01 Four-Component Net Radiation Sensor 3.4 Dimensions 263 mm027 mm (3/4 inch NPS)FIGURE 3.4-1. Dimensions of the NR01 in mm: (1) 2-Axis Leveling

NR01 Four-Component Net Radiation Sensor FIGURE 4.1-1. NR01 with Reducer (P/N 21271) and Mounting Arm TABLE 4.1-1. Recommendations for Installation

Warranty and Assistance PRODUCTS MANUFACTURED BY CAMPBELL SCIENTIFIC, INC. are warranted by Campbell Scientific, Inc. (“Campbell”) to be free from def

NR01 Four-Component Net Radiation Sensor 4.2 Electrical Connections The NR01 is a passive sensor that does not need any power. However there is an o

NR01 Four-Component Net Radiation Sensor TABLE 4.2-1. Internal Electrical Diagram of the NR01 (for servicing purposes only) PCB04 Connection PCB04 T

NR01 Four-Component Net Radiation Sensor TABLE 4.3-1. Datalogger Connections for Differential Measurement, when using a 4WPB100 Wire Label Color (c

NR01 Four-Component Net Radiation Sensor The PT-100 sensor can connect directly to the CR3000 and CR5000 dataloggers because they have current excitat

NR01 Four-Component Net Radiation Sensor 4.4 Installation of the Radiation Shields Radiation shields can be installed and removed using a hex-head wr

NR01 Four-Component Net Radiation Sensor For the CR3000 and CR5000 dataloggers, one differential channel and a current excitation channel are used to

NR01 Four-Component Net Radiation Sensor 5.2 Example Programs 5.2.1 Example 1, CR1000 Using Differential Channels Program Example 1 requires six dif

NR01 Four-Component Net Radiation Sensor Pt-100 Temperature Sensor Connections to 4WPB100 and Datalogger Color Function 4WPB100 CR1000 Black Wire

NR01 Four-Component Net Radiation Sensor ‘So load the four calibration coefficients specific to this sensor (1000/Sensitivity) Const SR01Upcal = 65.14

NR01 Four-Component Net Radiation Sensor 5.2.2 Example 2, CR3000/CR5000 Using Differential Channels (no 4WPB100) Program Example 2 requires five diff

NR01 Table of Contents PDF viewers note: These page numbers refer to the printed version of this document. Use the Adobe Acrobat® bookmarks tab for

NR01 Four-Component Net Radiation Sensor Public NetRs Public NetRl Public Albedo Public UpTot Public DnTot Public NetTot Public IR01UpCo Public IR01Dn

NR01 Four-Component Net Radiation Sensor 'NR01 Net Radiometer measurements SR01Up, SR01Dn, IR01Up, IR01Dn, NR01TC, NR01TK, 'NetRs, NetR

NR01 Four-Component Net Radiation Sensor Avg Albedo Avg Total Net radiation Avg temperature corrected IR01 Up Avg temperature corrected IR01 Do

NR01 Four-Component Net Radiation Sensor 4: Temperature RTD (P16) 1: 1 Reps 2: 5 R/R0 Loc [ Temp_C ] 3: 5 Loc [ Temp_C ] 4: 1

NR01 Four-Component Net Radiation Sensor ; IR01_upCor = IR01_up+5.67  10-8  Temp_K4 ; IR01_dnCor = IR01_dn+5.67  10-8  Temp_K4 12: Z=F (P30) 1:

NR01 Four-Component Net Radiation Sensor 5.2.4 Example 4, CR23X Program Using Single-Ended Channels Program Example 4 requires four single-ended chan

NR01 Four-Component Net Radiation Sensor 2: Scaling Array (A*Loc+B) (P53) 1: 1 Start Loc [ SR01_up ] 2: 65.146 A1 ;SR01 up 3: 0 B1

NR01 Four-Component Net Radiation Sensor 6. Maintenance and Troubleshooting 6.1 Maintenance Once installed the NR01 is essentially maintenance free

NR01 Four-Component Net Radiation Sensor 34 6.2 Troubleshooting This table contains information used to diagnosis problems whenever the sensor does n

Appendix A. CR3000 Program that Controls the Heater This program applies power to the NR01 heater using the SW12V relay controller and the pulse widt

NR01 Table of Contents ii Figures 1-1. Atmospheric Radiation as a Function of Wavelength ... 2 2.2-1. The NR01 Four-Compone

Appendix A. CR3000 Program that Controls the Heater 'CURRENT EXCITATION 'IX1 NR01 Pt100 current excitation (red) 'IXR NR01 Pt100 c

Appendix A. CR3000 Program that Controls the Heater Alias nr01(5) = Rl_downwell Alias nr01(6) = Rl_upwell Alias nr01(7) = t_nr01 Alias nr01(8) = Rl_d

Appendix A. CR3000 Program that Controls the Heater BeginProg Scan (1,Sec,0,0) 'Control the net radiometer heater. PWM (duty_cycle,4,250,

Appendix A. CR3000 Program that Controls the Heater Case Is < ( set_point_temperature+DELTA_SET_POINT_1+DELTA_SET_POINT_2 ) duty_cycle =

Appendix A. CR3000 Program that Controls the Heater A-6

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NR01 Four-Component Net Radiation Sensor The NR01 is a four-component net radiation sensor that is used for scientific-grade energy balance studies. 1

NR01 Four-Component Net Radiation Sensor FIGURE 1-1. Atmospheric Radiation as a Function of Wavelength LW or FIR radiation is mainly present in the

NR01 Four-Component Net Radiation Sensor The NR01 is supplied with four separate instrument sensitivities. As a brief explanation, to calculate the r

NR01 Four-Component Net Radiation Sensor The following equations assume the temperature is in Kelvin. Add 273.15 to equations 2.1-9 and 2.1-10 for te

NR01 Four-Component Net Radiation Sensor 2.3 Pyranometers A pyranometer should measure the solar or SW radiation flux from a field of view of 180 deg