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NW8002 WEATHER STATION INSTALLATION

INSTRUCTION MANUAL

REVISION: 3/97

COPYRIGHT (c) 1991-1997 CAMPBELL SCIENTIFIC, INC.

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Summary of Contents for NW8002

Page 1: ...NW8002 WEATHER STATION INSTALLATION INSTRUCTION MANUAL REVISION 3 97 COPYRIGHT c 1991 1997 CAMPBELL SCIENTIFIC INC...

Page 2: ...antability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization T...

Page 3: ...HOOTING 3 1 3 1 Communication Testing 3 1 3 2 Sensors 3 3 3 3 Datalogger 3 5 FIGURES 1 2 1 Effect of Structure on Wind Flow 1 2 1 3 1 NW8002 Enclosure with RAD Connection 1 3 1 3 2 NW8002AC SP Weather...

Page 4: ...Probe Assembly 2 3 3 1 1 RAD Testing Computer End 3 1 3 1 2 RAD Testing Datalogger End 3 2 3 2 1 4831 Temperature Relative Humidity Probe Assembly 3 5 TABLES 1 2 1 Approximate Range Miles 1 1 1 5 1 P...

Page 5: ...0 C Operating relative humidity range 0 to 100 non condensing SENSOR SPECIFICATIONS Temperature Range 35 C to 48 C Accuracy 4 C typically better than 2 C Relative Humidity Range 12 97 RH Accuracy 5 Wi...

Page 6: ...anted earth This allows the temperature and humidity readings to closely correspond with that of the turf the ET value is to represent 3 The radiation shield that covers the probe provides protection...

Page 7: ...ne modem for use with Mir 5000 systems only Figure 1 9 1 PS12 LA 12 V Rechargeable Battery Sensors Figure 1 3 2 4776 Li Cor Solar Radiation Sensor 6575 HMP35C Temperature and RH Probe 4830 Texas Elect...

Page 8: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 3 FIGURE 1 3 1 NW8002 Enclosure with RAD Connection...

Page 9: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 4 FIGURE 1 3 2 NW8002AC SP Weather Station Cross Arm Detail...

Page 10: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 5 FIGURE 1 3 3 NW8002AC Weather Station...

Page 11: ...ft Channel up Step 3 Mount the wind set on the left side Mount the wind set so that the wind speed is on the side closest to you Step 4 Mount the solar radiation and rain gage sensors on the opposite...

Page 12: ...1 7 FIGURE 1 4 1 NW8002 Cement Base FIGURE 1 4 2 NW8002 Tower with Tilt Base...

Page 13: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 8 FIGURE 1 4 3 NW8002AC SP Weather Station Top View FIGURE 1 4 4 Plumbing NW8002 Tower...

Page 14: ...mits current from the battery and provides circuitry to connect an external 12 volt battery The terminals on the PS12 are exposed by unscrewing the two set screws as shown in Figure 1 5 1 The two 12 v...

Page 15: ...gas may be generated at a rate sufficient to create a hazard Campbell Scientific makes the following recommendations 1 A CR10 equipped with standard lead acid batteries should NEVER be used in applic...

Page 16: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 11 FIGURE 1 6 1 NW8002SP Weather Station...

Page 17: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 12 FIGURE 1 6 2 NW8002 Weather Station Sensor Connection...

Page 18: ...modems Installation is as follows 1 Select a direct burial cable with two twisted pairs Two recommended types of cable are Two Cables Toro shielded armored cable P 7162 D A 1 or Anixter F 02P22BPN Rod...

Page 19: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 14 FIGURE 1 8 1 RAD Modem Connection and Grounding...

Page 20: ...the computer site to communicate with the weather station The DC112 comes from the factory connected to the datalogger inside the enclosure Figure 1 9 1 The burial phone cable is routed through the b...

Page 21: ...SECTION 1 WEATHER STATION DESCRIPTION AND INSTALLATION 1 16 FIGURE 1 9 1 NW8002 Enclosure with DC112 Phone Modem Option Use with MIR 5000 Systems Only...

Page 22: ...2 1 Look for possible cable damage on any sensors and record all inspection findings in log section 2 4 2 2 MONTHLY 2 2 1 RAIN GAGE Check the rain gage funnel and tip mechanism Be sure screen inside f...

Page 23: ...pes of Temperature Relative Humidity Sensors which you may have Refer to the cleaning procedures for your particular system below 2 3 2 TEMPERATURE RELATIVE HUMIDITY SYSTEMS SHIPPED AFTER JANUARY 1 19...

Page 24: ...screen off and thoroughly clean the screen DO NOT TOUCH THE RELATIVE HUMIDITY CHIP Remember that while the sensor is rugged the function of it is to sense water vapor in the air therefore careful han...

Page 25: ..._ _____ ____________________________ _____ ____________________________ _____ ____________________________ _____ ____________________________ _____ ____________________________ _____ _________________...

Page 26: ...____________________ _____ ____________________________ _____ ____________________________ _____ ____________________________ 2 TO 3 MONTH Rain Gage Inspect and clean if necessary Date OK Comments ___...

Page 27: ...spect and spin each sensor Date OK Comments _____ ____________________________ _____ ____________________________ _____ ____________________________ _____ ____________________________ _____ __________...

Page 28: ...sor leads for damage or corrosion Also check leads at terminal strip of datalogger to be sure that leads are securely fastened b Use circuit diagrams in Appendix and Section 2 3 to ohm out defective s...

Page 29: ...ill has not been established go to Sections 3 1 thru 3 3 to test the datalogger If the datalogger test passes then the SC932 is suspect and will need to be repaired or replaced 3 1 2 TESTING THE SC95C...

Page 30: ...circuits Section 3 2 1 or the CR10KD Keyboard Display can be connected to the CR10 to check sensor reading values Section 3 3 1 Table 2 1 3 2 1 OHM METER TESTS OF SENSORS All sensors that are to be c...

Page 31: ...f you are suspecting improper readings and if facilities exist the temperature and relative humidity probe should be placed in a sealed container over deionized water for two hours After two hours it...

Page 32: ...OTE Contact your Toro distributer for RH chip replacement 3 3 DATALOGGER CR10 The CR10 is the heart of the weather station it measures the sensors outputs and converts the measurements to engineering...

Page 33: ...CR10 Temperature and 10 Battery Voltage If the datalogger is not operating properly the CR10 Temperature will not record a reasonable value The battery voltage should read no less than 11 76 volts If...

Page 34: ...A 1 APPENDIX A SENSOR SCHEMATICS...

Page 35: ...APPENDIX A SENSOR SCHEMATICS A 2...

Page 36: ...APPENDIX A SENSOR SCHEMATICS A 3...

Page 37: ...APPENDIX A SENSOR SCHEMATICS A 4...

Page 38: ...APPENDIX A SENSOR SCHEMATICS A 5...

Page 39: ...APPENDIX A SENSOR SCHEMATICS A 6...

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