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Section 2. Hardware Installation

2.5.4.5 Base Radio Installation

The base radio kit comes with the following items.

(1) 10873 RS-232 Serial Data Cable with 6 feet of cable

(1) 15966 Wall Adapter: 100 to 240 Vac, 50-60 Hz Input to 12 Vdc 80 0mA
Output with 6 feet of cable.

(1) 18327 RF450 900 MHz, 1 W Spread Spectrum Radio

(1) 20617 900 MHz 0 dBd Omnidirectional Window Mount Antenna with 79
inches (6.58 feet) of Cable

The RF450 radio will need to be connected to a RS-232 serial port on the
calling computer and powered by the wall adapter. The antenna is designed to
stick to a window facing the weather station (see Figure 2.5-15 and Figure
2.5-16).

In order to comply with the FCC RF exposure
requirements, the RF450 series may be used only with

approved antennas

that have been tested with this radio

and a minimum separation distance of 8 inches (20 cm)
must be maintained from the antenna to any nearby
persons.

CAUTION

Attach the SMA connector on the antenna to the RF450 radio. Remove the
strip covering the adhesive on the antenna and stick it vertically to a window.
Attach the serial cable from the calling computer’s serial port to the port
marked “RS-232” on the RF450. Plug the wall adapter into a wall outlet and
plug the barrel connector into the RF450 connector marked “DC POWER 7-
28V”. You should see the lights on the radio come on.

Campbell Scientific Software Settings:

•

Multi-point master

•

Communication to computer via RS-232

•

Network ID: 1234

•

Frequency key: 5

•

1 watt output (transmit power: 10)

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Содержание ET107

Страница 1: ...ET107 Weather Station Revision 5 09 C o p y r i g h t 1 9 9 3 2 0 0 9 C a m p b e l l S c i e n t i f i c I n c...

Страница 2: ...ries served by Campbell Scientific Inc directly Affiliate companies handle repairs for customers within their territories Please visit www campbellsci com to determine which Campbell Scientific compan...

Страница 3: ...Vane Orientation 1 6 1 5 1 NSSDC CGM Service 1 7 2 Hardware Installation 2 1 2 1 Base Foundation 2 2 2 1 1 Supplied Components 2 2 2 1 2 Installation 2 2 2 1 3 AC Power Installation 2 4 2 2 Tower Pol...

Страница 4: ...43 2 8 Battery Installation 2 45 2 9 Restraining Cables and Sealing Desiccating Enclosure 2 46 2 9 1 Restraining Cables 2 46 2 9 2 Sealing and Desiccating the Enclosure 2 47 3 ET Software 3 1 4 Maint...

Страница 5: ...Are Added to 0 to Get True North 1 9 2 1 1 ET Tower Installation 2 1 2 1 2 ET Tower Base Installation 2 3 2 1 3 Cut Away View Shows Anchor Bolt and Conduit Placement in Cement Pad 2 3 2 2 1 Transparen...

Страница 6: ...2 40 2 5 16 A Base Radio Installed in an Office 2 40 2 6 1 Lightning Rod Bracket Installation 2 41 2 6 2 Grounding to Lightning Rod Clamp 2 42 2 7 1 Solar Panel Mounting and Cabling 2 43 2 7 2 Side Vi...

Страница 7: ...e Up B 6 B 2 4 Enclosure Mounted on ET107 Pole B 7 B 2 5 Enclosure Locking Mechanism B 8 B 2 6 Mounted Solar Panel B 9 B 2 7 Procedure for installing and connecting battery B 11 Tables 4 1 1 CR1000 Li...

Страница 8: ...ET107 Weather Station Table of Contents vi This is a blank page...

Страница 9: ...1 WMO 1983 2 and AASC 1985 3 publications 1 1 1 Wind Speed and Direction Wind sensors should be located over open level terrain and at a distance of at least ten times EPA the height of any nearby bui...

Страница 10: ...urfaces and sources of artificial radiation should be avoided 1 1 4 Soil Temperature The measurement site for soil temperature should be at least 1 m2 10 76 ft2 and typical of the surface of interest...

Страница 11: ...wn in Figure 1 2 1A Cut the tape along the edge of the lower flap first See Figure 1 2 1A Cut the tape around the remaining flaps BUT only cut one layer deep Lift up the cardboard flaps exposing the t...

Страница 12: ...tape box shut if transporting entire station to another site If at the main site remove any communication components that are installed at the calling computer Repackage remaining components for tran...

Страница 13: ...tion are listed below 1 3 1 Tools for Pole Installation ET Pole Shovel Rake Open end wrenches 3 8 7 16 2 9 16 Magnetic compass 6 Step ladder Tape measure 12 to 20 Claw hammer Level 24 to 36 Hand saw M...

Страница 14: ...al cable with a minimum of 2 twisted pairs with shield minimum 5 conductors total to travel from the weather station to the central computer junction box Direct burial armored cable may be required fo...

Страница 15: ...E 8 E 6 E 4 E 2 E 0 2 W 4 W 6 W 8 W 10 W 14 W 12 W 16 W 18 W 20 W 20 E FIGURE 1 5 1 Magnetic Declination for the Contiguous United States 1 5 1 NSSDC CGM Service The NSSDC CGM Corrected Geomagnetic S...

Страница 16: ...modeling of the geomagnetic field parameters Results of GEO CGM calculations Geocentric CGM L value IGRF Magnetic Field Oval Azimuth MLTMN Lat Long Lat Long Re H Nt D deg Z nT angles N S E W in UT Sta...

Страница 17: ...2 degrees FIGURE 1 5 2 Declination Angles East of True North Are Subtracted From 0 to Get True North FIGURE 1 5 3 Declination Angles West of True North Are Added to 0 to Get True North References 1 E...

Страница 18: ...can Association of State Climatologists Height and Exposure Standards for Sensors on Automated Weather Stations v 9 No 4 October 1985 4 EPA 1989 Quality Assurance Handbook for Air Pollution Measuremen...

Страница 19: ...riate time Once attached they cannot be detached The ET Tower provides a support structure for mounting the ET107 weather station components Figure 2 1 1 shows a typical ET Tower installation option T...

Страница 20: ...nough in diameter to insert one end of the conduit Make certain the cavity points in the direction from which power and communications cables will come For example the cavity will point towards a valv...

Страница 21: ...TOP VIEW ANCHOR BOLT FORM FORM WIRE CEMENT PAD SMALL CAVITY 24 24 24 TEMPLATE 2 NORTH FORM WIRE FIGURE 2 1 2 ET Tower Base Installation Conduit Anchor Bolt FIGURE 2 1 3 Cut Away View Shows Anchor Bol...

Страница 22: ...e See Figure 2 4 17 The splice and wire nut must be completely immersed into the silicon gel inside the splice tube to be waterproof NOTE 2 2 Tower Pole 2 2 1 Supplied Components 1 Upper Tower Section...

Страница 23: ...RF options will not have power or communication cables NOTE 5 Place the white tower cap over the tower end 6 Raise the tower on a still day Place a washer on top of the two nuts on each foundation bo...

Страница 24: ...nd Be careful not to damage the clamp with the hammer 2 Taking care not to damage power or communications lines drive the ground rod close to the foundation using a fence post driver or sledge hammer...

Страница 25: ...enclosure Logan Utah MADE IN USA Lightning Rod Tipping Bucket Rain Gage Pyranometer Crossarm Radiation Shield Met One 034B Wind Set ET Enclosure Ground Rod FIGURE 2 3 1 ET107 Instrumentation Mounted o...

Страница 26: ...3 2 Enclosure Spacing Above Pole 2 4 Crossarm and Sensor Installation Refer to Appendix C 2 for a labeled exploded view of the crossarm 2 4 1 Components 1 ET107 Crossarm with Sensors see Figure 2 3 1...

Страница 27: ...of the enclosure lining up the four threaded holes on the under side of the arm with the four holes in the top of the enclosure Attach the arm to the enclosure by inserting and tightening four Phillip...

Страница 28: ...ove the two Phillips screws taped underneath the crossarm 2 Remove the yellow shipping cap from off the end of the temperature relative humidity sensor See Figures 2 4 2 and 2 4 3 Remove Yellow Cap FI...

Страница 29: ...ops or a click is heard 4 Attach the gill radiation shield to the underside of the crossarm using the two Phillips screws from step 1 2 4 4 034B Wind Sensor Wind Sensor Option MW 1 Install the 034B Wi...

Страница 30: ...Temperature Sensor Installation UTION ENTIOMETER ENT 5mA FACE SOUTH FIGURE 2 4 5 034B Mounting to Pipe Shoulder Screw South Alignment Sticker Temp RH Gill Radiation Shield Phillips Mounting Screws Win...

Страница 31: ...be pointing due south Make sure the sensor cable is not being pinched by the U bolt Tighten up the U bolt to hold the sensor firmly Plug the cable into the mating connector on the sensor Plug must be...

Страница 32: ...dware Installation Loosen Screws FIGURE 2 4 6 Screws that Secure the Electronics Cover 4 Remove the electronics cover to expose the PCB see Figure 2 4 7 Lift Here FIGURE 2 4 7 Removal of the Electroni...

Страница 33: ...lectronics cover 7 Tighten screws 8 Reattach 10588 ribbon cable to the CS I O port 9 Replace enclosure cover 2 4 5 2 Attachment to Sensor Arm 1 Remove the three Phillips screws from the end of the whi...

Страница 34: ...de the connector and cable up through the center of the mounting shaft Plug the cable into the Gill WindSonic sensor The connector has a key and needs to be pushed in then rotated clockwise to lock it...

Страница 35: ...bolt 2 4 6 Rain Gage For accurate measurements the rain gage needs to be installed so it is horizontally level A bubble level is situated on the bottom of the inside of the rain gage To see the bubble...

Страница 36: ...d in Figure 2 4 12 Adjust the three leveling screws until the bubble level indicates plumb Remove the red or green shipping cap from the pyranometer See Figure 2 4 13 Leveling Screws FIGURE 2 4 12 Pyr...

Страница 37: ...sible connectors on the back of the ET107 station Check the programming software for correct station connection The cable used with the soil temperature sensor is waterproof but not armored Route cabl...

Страница 38: ...are Installation Loosen Screws FIGURE 2 4 14 Screws that Secure the Electronics Cover 4 Remove the electronics cover to expose the PCB see Figure 2 4 15 Lift Here FIGURE 2 4 15 Removal of the Electron...

Страница 39: ...jacket The jacket is waterproof but NOT cut proof The recommended method is to bury conduit from the weather station to the soil water content measurement site and route the sensor cable through the c...

Страница 40: ...th the sensor labeling on the back of the enclosure The 034B Wind Sensor plugs into the connector labeled WS WD Plugging this sensor in the connector labeled SDI 12 may damage the sensor and or the ma...

Страница 41: ...ockwise Failure to seat the plug completely could cause corrosion and water damage to both the enclosure and the sensor cable NOTE Notice how the sensor caps are slid between the connector and the one...

Страница 42: ...t CE if using a Windows CE based handheld with connector cable 2 5 Communication Peripherals Only one communication kit can be mounted inside the ET enclosure Communication kits ordered with the ET En...

Страница 43: ...tion Utility DevConfig and connect directly to the station to change the CR1000 configuration DevConfig is included with LoggerNet and can be obtained at no charge from our website NOTE Connects with...

Страница 44: ...ons battery not shown 2 5 2 1 Internal Installation If the phone modem was ordered with the ET107 you can skip this section and go directly to the External Installation section NOTE For installation i...

Страница 45: ...turned revolution clockwise Failure to seat the plug completely could cause corrosion and water damage to both the enclosure and the sensor cable NOTE 2 Splice the labeled Tip and Ring lines of the p...

Страница 46: ...ection 2 5 3 1 Internal Installation If the short haul modem was ordered with the ET107 you can skip this section and go directly to the External Installation section NOTE For installation inside the...

Страница 47: ...n the lever arm Pressing too hard on the lever arm can cause it to break WARNING 2 5 3 2 External Installation The following short haul kit components see Figure 2 5 1 are used to make the external co...

Страница 48: ...le tie Connect the Rad to the PC s serial port with the 9 to 25 pin serial cable 4 Route the user supplied cable from the remote splice to the surge protector Connect it and the 5 foot patch cable to...

Страница 49: ...ith a 10 watt panel would need at least 3 hours of sunlight every day to keep the battery charged Recommendation here would be to decrease the power output of the radios or add a PS24 power supply and...

Страница 50: ...the station down by flipping the PS100 power switch to Off before installing any communication option Remember to flip the switch back to On after enclosure installation is completed NOTE 1 Mount the...

Страница 51: ...366 5 16 Stainless Steel Lock Washers 4 17592 14 5 Inch Black UV Resistant Wire Ties The 14221 3 dBd Omni or the 14205 6 dBd Yagi Directional Antenna with Type N Female Connector should have been orde...

Страница 52: ...Section 2 Hardware Installation FIGURE 2 5 7 Loosely Wire Tie Antenna Cable FIGURE 2 5 8 Loosely Drape Antenna Cable over Back of Enclosure 2 34...

Страница 53: ...of an omni directional antenna should not be higher than the top of the lightning rod Slide the U bolt behind the pole and through the oval notches on the adjustable angle mounting bracket see Figure...

Страница 54: ...to the adjustable angle mount bracket by inserting the ends of the bracket through the quarter circle notches Put a flat washer lock washer and a silicon bronze nut in that order on the ends of the s...

Страница 55: ...erference is a concern then align the tines on the two Yagi antennas horizontally instead of vertically This will put the signal out of phase with other antennas that are aligned vertically Tighten th...

Страница 56: ...o the antenna as shown in Figure 2 5 13 Leave a little slack on the cable between the wire tie and the antenna connector so as not to stress the connector cable connection vii Make sure there is a loo...

Страница 57: ...r to comply with the FCC RF exposure requirements the RF450 series may be used only with approved antennas that have been tested with this radio and a minimum separation distance of 8 inches 20 cm mus...

Страница 58: ...Section 2 Hardware Installation FIGURE 2 5 15 Base RF450 Installation FIGURE 2 5 16 A Base Radio Installed in an Office 2 40...

Страница 59: ...rod clamp to the top of the pole see Figure 2 6 1 Position the clamp so it won t interfere with the connector cover FIGURE 2 6 1 Lightning Rod Bracket Installation 2 Strip 2 54 cm 1 from the top of t...

Страница 60: ...nd into the enclosure ground lug located at the top back of the enclosure Put the other end in the same clamp opening as the main grounding wire and tighten down the screw see Figure 2 6 2 4 Insert th...

Страница 61: ...n Figure 2 7 1 Mount the solar panel to the tower so it faces south northern hemisphere Position it as high off the ground as practical ensuring it cannot interfere with air flow or sunlight around th...

Страница 62: ...determining the tilt angle loosen the two bolts that attach the mounting bracket to the panel Adjust the angle then tighten the bolts Secure the lead wire to the mast using wire ties as show in Figur...

Страница 63: ...y lead into the connector labeled BATTERY Internal 12V 7 Amp Hour Put the cover back on the PS100 and latch it in place Do not switch the power supply to on until AC or solar power has been connected...

Страница 64: ...re tie at this time See Figure 2 9 1 Wire Tie Harness FIGURE 2 9 1 Cabling Strapped to Wire Tie Harness 2 Replace the connector cover The tab at the top of the connector cover slides into the opening...

Страница 65: ...of condensation on the instrumentation Desiccant should be changed when the internal ET Enclosure humidity sensor measures 50 or higher Install the desiccant as shown in Figure 2 9 3 Keep unused desi...

Страница 66: ...Section 2 Hardware Installation 2 Be sure to close the enclosure hasp securely A padlock may be used on the latch for extra security Desiccant FIGURE 2 9 3 Desiccant Installation 2 48...

Страница 67: ...and collect data PC200W software cannot be used to communicate with stations on a phone modem Both packages can be downloaded from Campbell Scientific s website www campbellsci com VisualWeather vers...

Страница 68: ...Section 3 ET Software 3 2 This is a blank page...

Страница 69: ...ural damage proper alignment and for level plumb 4 1 2 Power Supply 4 1 2 1 Batteries Rechargeable power supplies should be connected to an AC transformer or unregulated solar panel at all times The P...

Страница 70: ...arefully when cleaning Be careful not to scratch the surface of the sensor CAUTION Do a visual audio inspection of the 034B ET s anemometer at low wind speeds Worn bearings can cause the wind cups to...

Страница 71: ...in the field Replace 034B ET wind speed anemometer reed switch item 13764 if needed To send the sensor to Campbell Scientific for reed switch replacement call for Return Material Authorization number...

Страница 72: ...t be calibrated in the field Some users recommend calibrating this sensor on a yearly basis 4 5 years Check sensor cables as well as all other cables for cracking deterioration proper routing and stra...

Страница 73: ...ic to have Campbell Scientific replace the battery when voltage is approximately 2 7 V If the lithium cell is removed or allowed to discharge below the safe level the ET107 will still operate correctl...

Страница 74: ...osure E Cycle the power to the datalogger by switching the PS100 power supply to OFF then to ON or disconnecting and reconnecting the battery plug Keypad should power up and the Campbell Scientific lo...

Страница 75: ...place see Figure 2 4 18 Check connectors for any corrosion on pins C If Short Cut or VisualWeather is used to create the station program double check the wiring diagram to see if it matches the physi...

Страница 76: ...ect bulkhead connector If CRBasic is used to create the station program verify channel assignments and multipliers Datalogger program may need to be changed 4 2 6 Communication Problems when using an...

Страница 77: ...epeater and Slave linked to Master Slave sending data to Master Solid bright red OR Solid green RCV data Solid dim red Intermittent flashing red Solid green Intermittent flashing red Solid bright red...

Страница 78: ...d but no response from datalogger 1 Check SC12 cable on the datalogger s CS I O port 2 Check SDC address in RF450 3 Check SDC address in datalogger 4 Check the baud rate of all RF450s they should be t...

Страница 79: ...cient samples possible path obstruction 8 NVM error Nonvolatile Memory checksum failed 9 ROM error Read Only Memory checksum failed 10 Maximum Gain Questionable wind measurements 4 3 Schematics of Con...

Страница 80: ...hrough 4 3 7 for help in troubleshooting Temp RH 1 2 3 4 5 6 Air Temperature and Relative Humidity Sensor Connector Pin Datalogger Relative Humidity 0 1VDC Air Temperature 0 1VDC 12V Switched Supply N...

Страница 81: ...6 1 2 3 4 5 6 WS WD FIGURE 4 3 2 Schematic of 034B LC Wind Speed and Direction Probe and Connector WS WD 1 Connector Pin Temp Sonic RS232 Recieve Excitation Temperature Signal Return Datalogger Ground...

Страница 82: ...ematics Solar Radiation Sensor 450 650 OHMS Connector Pin Datalogger 1 3 2 Not Used Not Used Not Used 3 H 3 L G Shield 4 5 6 1 2 3 4 5 6 Solar Radiation FIGURE 4 3 4 Schematic of CS305 ET Solar Radiat...

Страница 83: ...cs 1 Not Used Connector Pin Magnetically Activated Reed Switch Tipping Rain Bucket Not Used Not Used Ground Pulse Datalogger Shield 2 4 3 P2 G G 5 6 1 2 3 4 5 6 Rain Precip FIGURE 4 3 5 Schematic of T...

Страница 84: ...und 2 3 4 12V EX3 4L 4H G C7 5 6 1 2 3 4 5 6 TEMP CS616 FIGURE 4 3 6 Schematic of 107 LC or 108 LC Temperature Probe or CS616 LC Soil Volumetric Water Content Sensor and Connector Temp CS616 1 Connect...

Страница 85: ...Power FIGURE 4 3 8 Schematic of Solar Panel and Connector Power 4 3 3 Communication Modems Schematics 1 Connector Pin Short Haul or Phone Modem RJ11 Phone Jack Pin 3 RJ11 Phone Jack Pin 2 XMT Termina...

Страница 86: ...Section 4 Maintenance Troubleshooting and Schematics 4 18...

Страница 87: ...A ET107 Maintenance Log Station Installation Date __________________ CLEAN INSPECT RAIN GAGE SENSOR Recommended Weekly CLEAN INSPECT RAIN GAGE SENSOR Recommended Weekly Date OK Comments Date OK Comme...

Страница 88: ...arterly Date OK Comments REPLACE WIND SPEED BEARINGS AND REED SWITCH Recommended Yearly Date OK Comments REPLACE RH CHIP P N 9598 IN THE HMP50 ET TEMP RH SENSOR Recommended Yearly Date OK Comments REP...

Страница 89: ...The PS24 consists of a 24 Ahr rechargeable battery CH100 regulator and a 10 x 12 environmental enclosure see Figures B 1 1 through B 1 3 The battery should be recharged via ac power or solar power An...

Страница 90: ...Appendix B PS24 24 Ahr Power Supply and 10 x 12 inch Enclosure FIGURE B 1 2 24 Ahr Battery and Battery Cable B 2...

Страница 91: ...TYPE I II REACTIVATION TIME IN BAG 16 HOURS AT 250 F DESICCANT ACTIVATED BAGGED FOR CONTENTS 4 UNITS PACKAGE USE AND STATIC DEHUMIDIFICATION DO NOT EAT UNITED DESICCANTS GATES 101CHRISTINE BELEN NOW M...

Страница 92: ...structed to do so CAUTION 1 Place the top enclosure bracket on the pole at approximately 40 inches above the bottom of the pole The bracket should be installed with the hook side up and facing north 2...

Страница 93: ...below the top clamp This clamp is installed with the hook side down The bracket might have to be moved a little to accept the enclosure bracketing so don t tighten the bracket yet Figure B 2 2 shows...

Страница 94: ...Appendix B PS24 24 Ahr Power Supply and 10 x 12 inch Enclosure 4 Hook the enclosure on the top bracket as shown in Figure B 2 3 FIGURE B 2 3 Top Clamp Hook Side Up B 6...

Страница 95: ...racket should slide between the top lip of the bottom strut mount bracket and the notch directly below Move the bottom bracket if necessary then bolt the bottom bracket down see Figure B 2 4 Do NOT ov...

Страница 96: ...lips screw underneath the mechanism and slide it to the left Once in place put a small wire tie in the hole to the right of the locking mechanism see Figure B 2 5 To remove the enclosure from the brac...

Страница 97: ...anel 8 Throw a blanket or box over the solar panel to prevent any voltage output 9 Route the solar panel cable and power cable coming from the main ET107 enclosure into the conduit at the bottom of th...

Страница 98: ...rminal block NOTE 11 Remove the blanket or box from the solar panel once it s wired in place 12 Wire the power cable coming from the ET107 station as follows Power Cable from ET107 to CH100 Red 12 Bla...

Страница 99: ...p of ground wire was sent with the station Use it to ground the enclosure to the grounding rod system The external ground lug is mounted on the bottom left hand corner of the 10 x 12 enclosure 15 Flip...

Страница 100: ...17 Put both bags of desiccant inside of the enclosure 18 Stick the humidity indicator card on a wall inside of the enclosure Pink on the humidity indicator card means it s time to change the desiccant...

Страница 101: ...Appendix C Exploded Views C 1 Enclosure C 1...

Страница 102: ...Appendix C Exploded Views C 2 Crossarm C 2...

Страница 103: ...sable_flag As Boolean Dim checksum_flg As Boolean Dim one Units one samples Public diag Units diag unitless CONNECTOR RAIN PRECIP TE525 ET Public Rain_mm Public Rain 24 Public Rain24Ttl Alias Rain 1 R...

Страница 104: ...mum 1 HeatIndxC FP2 False False EndTable DataTable STATS TRUE 168 DataInterval 0 60 Min 10 Totalize 1 one IEEE4 disable_flag FieldNames n_TOT Totalize 1 one IEEE4 diag 1 FieldNames diag_1_TOT Totalize...

Страница 105: ...pF AirTempC 1 8 32 VoltDiff SlrRad_W 1 mV7_5 3 true 0 _60Hz 200 0 If SlrRad_W 0 Then SlrRad_W 0 DewPoint DewPntC AirTempC RelHum If DewPntC AirTempC OR DewPntC NAN Then DewPntC AirTempC Wind chill cal...

Страница 106: ...CONNECTOR RAIN PRECIP TE525 ET Public Rain_mm Public Rain 24 Public Rain24Ttl Alias Rain 1 RainHrTtl CONNECTOR TEMP RH HMP50 ET Public AirTempC Public AirTempF Public RelHum CONNECTOR Solar Radiation...

Страница 107: ...Next n Scan 5 Sec 3 0 BattVolt Status Battery 1 1 LogrTmpC Status PanelTemp 1 1 WatchDog Status WatchdogErrors 1 1 Overruns Status SkippedScan 1 1 LowVolts Status Low12VCount 1 1 LiBattV Status Lithi...

Страница 108: ...rtempF 50 Then WC_AirtempF 50 WindChilC 35 74 0 6215 WC_AirtempF 35 75 WindSpd_mph 0 16 0 4275 WC_ AirtempF WindSpd_mph 0 16 If WindChilC WC_AirtempF OR WindChilC NAN Then WindChilC WC_AirtempF If WC_...

Страница 109: ......

Страница 110: ...a Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edificio Breller Santo Doming...

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