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Appendix D. Default Programs

Maximum

(1,SlrRad_KW,FP2,False,False)

Maximum

(1,AirTempC,FP2,False,False)

Maximum

(1,RelHum,FP2,False,False)

Maximum

(1,WindSpd_mph,FP2,False,False)

Minimum

(1,SlrRad_KW,FP2,False,False)

Minimum

(1,AirTempC,FP2,False,False)

Minimum

(1,RelHum,FP2,False,False)

Minimum

(1,WindSpd_mph,FP2,False,False)

WindVector

(1,WindSpd_mph,WindDir,FP2,False,0,0,1)

FieldNames

("AvgWSmph,AvgWindDir")

ETsz

(AirTempC,RelHum,WindSpd_ms,SlrRad_MJ,Longitude,Latitude,Altitude_m,3,0,FP2,False)

FieldNames

("ETos_mm,Rso_MJ")

EndTable

DataTable (ToroStatus,1,-1)

DataInterval

(0,1440,Min,5)

Maximum

(1,BattVolt,FP2,False,False)

Minimum

(1,BattVolt,FP2,False,False)

Maximum

(1,LogrTmpC,FP2,False,False)

Minimum

(1,LogrTmpC,FP2,False,False)

Maximum

(1,Encl_RH,FP2,False,False)

Minimum

(1,Encl_RH,FP2,False,False)

Sample

(1,WatchDog,FP2)

Sample

(1,Overruns,FP2)

Sample

(1,LowVolts,FP2)

EndTable

'Main Program

BeginProg

'Initialize Values (unitialized values are zero)

Latitude=0.00001

Longitude=latitude

Altitude_m=latitude

FirstPass = False

Baro_Kpa

Scan(5,Sec, 3, 0)

PortSet(9,1)

'Battery

voltage

Battery

(BattVolt)

'Micrologger

temperature

PanelTemp

(LogrTmpC,250)

'Save

Site

Values

If SaveSite = 1 then

CallTable

SiteVal

SaveSite=0

Endif

'Query Site Values from data table and use if needed.

If Latitude = 0.00001 and SiteVal.Latitude(1,1)<> NAN then

Latitude=SiteVal.Latitude(1,1)

Longitude=SiteVal.Longitude(1,1)

Altitude_m=SiteVal.Altitude_m(1,1)

Endif

'Enclosure

humidity

VoltSE(Encl_RH, 1, mV2500, 10, False, 0, _60Hz, 0.1, 0)

If Encl_RH > 100 Then Encl_RH = 100

'CONNECTOR

WS/WD

'034B-ET wind speed/direction sensor

PulseCount(WindSpd_ms, 1, 1, 2, 1, 0.799, 0.2811)

If (WindSpd_ms < 0.29) Then WindSpd_ms = 0.001

WindSpd_mph = WindSpd_ms / 0.44707

BrHalf(WindDir, 1, mV2500, 3, VX2, 1, 2500,True, 0,_60Hz, 720, 0)

If (WindDir >= 360 OR WindDir < 0) Then WindDir = 0

If WindDir = NAN Then WindDir = -6999

TotalWSmph = Tota WindSpd_mph*0.0833

'CONNECTOR

TEMP/RH

'HMP60-ET or HMP45C-ET temperature/humidity sensor

VoltSe(AirTempC, 1, mV2500, 2, False, 0, _60Hz, 0.1, -40)

If (AirTempC = NAN) Then AirTempC = -6999

VoltSe(RelHum, 1, mV2500, 1, False, 0, _60Hz, 0.1, 0)

If (RelHum = NAN) Then RelHum = -6999
If (RelHum >= 100) AND (RelHum < 108) Then RelHum = 100

D-2

Содержание T107

Страница 1: ...INSTRUCTION MANUAL T107 Weather Station Revision 4 14 C o p y r i g h t 1 9 9 3 2 0 1 4 C a m p b e l l S c i e n t i f i c I n c...

Страница 2: ......

Страница 3: ......

Страница 4: ...ounce 28 35 g 1 lb pound weight 0 454 kg Pressure 1 psi lb in2 68 95 mb Volume 1 US gallon 3 785 litres In addition part ordering numbers may vary For example the CABLE5CBL is a CSI part number and k...

Страница 5: ...Components 11 2 1 2 Installation 11 2 1 3 AC Power Installation 13 2 2 Tower Pole 13 2 2 1 Supplied Components 13 2 2 2 Installation 13 2 2 3 Tower Grounding 15 2 2 3 1 Supplied Components 15 2 2 3 2...

Страница 6: ...5 4 1 2 Power Supply 55 4 1 2 1 Batteries 55 4 1 2 2 Solar Panel 55 4 1 3 Desiccant 56 4 1 4 Sensor Maintenance 56 4 1 4 1 Procedure for Removing RH Chip 58 4 1 5 CR1000M Module 58 4 2 Troubleshooting...

Страница 7: ...G Cable 15 2 6 T107 Instrumentation Mounted on the ET Tower 16 2 7 Enclosure Spacing Above Pole 17 2 8 T107 Sensor Arm Mounting 18 2 9 Temperature Relative Humidity Sensor with Yellow Protective Cap 1...

Страница 8: ...4B LC Wind Speed and Direction Probe and Connector WS WD 65 4 5 Schematic of Gill WindSonic1 ET Wind Sensor Soil Temperature Sensor 107 LC or 108 LC and Connector Temp Sonic 65 4 6 Schematic of CS305...

Страница 9: ...general area of interest and away from the influence of obstructions such as buildings and trees The weather station should not be located where sprinkler irrigation water will strike sensors or inst...

Страница 10: ...shadows on the sensor at any time Mounting it on the southern most northern hemisphere portion of the weather station will minimize the chance of shading from other weather station structures Reflecti...

Страница 11: ...Station FIGURE 1 2 Cut Flap Packing Tape FIGURE 1 3 Shipping Box Packaging Top Packing Foam Layer Middle Packing Foam Layer Bottom Packing Foam Layer T107 Top Layer T107 Bottom Layer Cut Lower Flap E...

Страница 12: ...h Rain Solar and Temp RH Sensors Mounting Template Grounding Wire and Enclosure Desiccant Packs 2 Piece Pole Grounding and Lightning Rod AC Transformer and Cabling Mounting Bolts and Hardware Enclosur...

Страница 13: ...posure x Prepare concrete base Section 2 Hardware Installation x T107 Installation Place instrumentation enclosure on the ET pole Slide enclosure to the top of the pole and secure with correct orienta...

Страница 14: ...tions AC Power Wire conduit and junction boxes as needed see FIGURE 2 1 User supplies valve box at base of station and weatherproof enclosure for transformer See FIGURE 2 1 Phone Modem Phone modem at...

Страница 15: ...etic declination for the contiguous United States is shown in FIGURE 1 6 Declination angles east of True North are considered negative and are subtracted from 0 degrees to get True North as shown FIGU...

Страница 16: ...FIGURE 1 8 Declination Angles West of True North Are Added to 0 to Get True North 1 5 1 Web Calculator Since magnetic declination fluctuates with time it should be determined each time the wind sensor...

Страница 17: ...e of Air Quality Planning and Standards Research Triangle Park North Carolina 27711 2 WMO 1983 Guide to Meteorological Instruments and Methods of Observation World Meteorological Organization No 8 5th...

Страница 18: ...meter ET Tower sections together until the appropriate time Once attached they cannot be detached The ET Tower provides a support structure for mounting the T107 weather station components FIGURE 2 1...

Страница 19: ...About 20 inches below the top of the hole gouge a small cavity in one wall of the hole The cavity should be about 4 inches deep and just large enough in diameter to insert one end of the conduit Make...

Страница 20: ...T107 Weather Station FIGURE 2 2 ET Tower Base Installation FIGURE 2 3 Cut Away View Shows Anchor Bolt and Conduit Placement in Cement Pad Anchor Bolt Conduit 12...

Страница 21: ...ply option for older T107 stations included a 120 Vac to 16 Vac step down transformer instead of the 100 to 240 Vac to 24 Vdc power supply Appendix E provides information for installing an AC power sy...

Страница 22: ...he top of the pole Secure all wiring so it doesn t slip back down through the pole Solar panel and RF options will not have power or communication cables 5 Place the white tower cap over the tower end...

Страница 23: ...ge 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 Drive the rod at an angle...

Страница 24: ...FIGURE 2 7 a Remove the front lid Remove the connector cover from the back of the ET enclosure by loosening the Phillips screw at the bottom of the cover b Loosen the mounting bracket bolts on the bac...

Страница 25: ...t for 034B or Gill WindSonic 1 Gill Radiation Shield 2 4 2 Crossarm Installation Adjust the bolts at the base of the pole to vertically level the top section of the mounting pole Install the T107 Sens...

Страница 26: ...osure 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 Phillips head scre...

Страница 27: ...taped underneath the crossarm 2 Remove the yellow shipping cap from off the end of the temperature relative humidity sensor See FIGURE 2 9 and FIGURE 2 10 FIGURE 2 9 Temperature Relative Humidity Sens...

Страница 28: ...on shield to the underside of the crossarm using the two knurled thumb screws from step 1 2 4 4 034B Wind Sensor Wind Sensor Option MW 1 Install the 034B Wind Sensor as shown in FIGURE 2 11 after the...

Страница 29: ...ind and RH Temperature Sensor Installation FIGURE 2 12 034B Mounting to Pipe Temp RH Gill Radiation Shield Knurled Thumb Mounting Screws Shoulder Screw South Alignment Sticker Alignment Screw Counter...

Страница 30: ...ue 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 fully seated...

Страница 31: ...Weather Station FIGURE 2 13 Screws that Secure the Electronics Cover 4 Remove the electronics cover to expose the PCB see FIGURE 2 14 FIGURE 2 14 Removal of the Electronics Cover Loosen Screws Lift He...

Страница 32: ...n 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 white mounting shaft Remove...

Страница 33: ...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 in...

Страница 34: ...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 leve...

Страница 35: ...in FIGURE 2 19 Adjust the three leveling screws until the bubble level indicates plumb Remove the red or green shipping cap from the pyranometer See FIGURE 2 20 FIGURE 2 19 Pyranometer Leveling FIGUR...

Страница 36: ...p with 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 th...

Страница 37: ...ockwise Failure to seat the plug completely could cause corrosion and water damage to both the enclosure and the sensor cable Notice how the sensor caps are slid between the connector and the one abov...

Страница 38: ...ons inside the enclosure are necessary Follow the External Installation procedures in later sections to make the external connections If you received a telecommunication kit separate from the ET Enclo...

Страница 39: ...h LoggerNet and can be obtained at no charge from our website FIGURE 2 23 Close up of the terminals and 9 pin ports in the T107 battery not shown NOTE Connects with phone modem s RJ 11 patch cord Conn...

Страница 40: ...red with the T107 you can skip this section and go directly to Section 2 5 2 2 External Installation For installation inside the ET Enclosure the following components are provided in the phone modem k...

Страница 41: ...ed 1 4 revolution clockwise Failure to seat the plug completely could cause corrosion and water damage to both the enclosure and the sensor cable 2 Splice the labeled Tip and Ring lines of the patch c...

Страница 42: ...tion 2 5 3 2 External Installation For installation inside the ET Enclosure the following components are provided in the short haul modem kit 1 Part number 10596 SC932C 9 pin to RS 232 DCE Interface 1...

Страница 43: ...to break 2 5 3 2 External Installation The following short haul kit components see FIGURE 2 23 are used to make the external connections At the ET Enclosure 1 20 foot 4 Wire Patch Cable 2 2 Direct Bu...

Страница 44: ...Spread Spectrum Radio The RF450 is a license free 1 watt spread spectrum radio Communication is strictly line of sight Communication distance is dependent on antennas cabling and terrain please note...

Страница 45: ...od If the station were to lose power it could run for around 14 days 346 hours before damaging the battery A station with a 10 watt panel would need at least 1 hour of sunlight every day to keep the b...

Страница 46: ...erneath the battery cables and screw it to the RF antenna connector on the RF450 radio Attach the other end of the cable to the BNC RF bulkhead connector in the lower right hand corner of the enclosur...

Страница 47: ...Type N Female Connector should have been ordered with the kit 1 Remove the sensor cable cover off of the back of the enclosure by loosening the thumb screw at the bottom of the cover and swinging the...

Страница 48: ...ly below or above the enclosure top mounting bracket The top 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...

Страница 49: ...T107 Weather Station FIGURE 2 31 Slide Antenna Bracket U Bolt around Back of the Pole 41...

Страница 50: ...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 saddl...

Страница 51: ...base then align the tines on the Yagi antenna so they are vertical See FIGURE 2 34 If two Yagi antennas are used at both ends of communication then align the tines the same If interference is a conce...

Страница 52: ...le to the wire tie mount at the top of the enclosure vi Take one black wire tie and strap the antenna cable to the antenna as shown in FIGURE 2 35 Leave a little slack on the cable between the wire ti...

Страница 53: ...F450 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...

Страница 54: ...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...

Страница 55: ...od clamp to the top of the pole see FIGURE 2 39 Position the clamp so it won t interfere with the connector cover FIGURE 2 39 Lightning Rod Bracket Installation 2 Strip 2 54 cm 1 in from the top of th...

Страница 56: ...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 40 4 Insert the l...

Страница 57: ...phere Position it as high off the ground as practical ensuring it cannot interfere with air flow or sunlight around the sensors The solar panel should be oriented to receive maximum insolation over th...

Страница 58: ...anel Adjust the angle then tighten the bolts Secure the lead wire to the mast using wire ties as show in FIGURE 2 42 Connect the plug at the end of the solar panel cable to the connector marked Power...

Страница 59: ...onnector 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 to the back of th...

Страница 60: ...ie at this time See FIGURE 2 45 FIGURE 2 45 Cabling Strapped to Wire Tie Harness 2 Replace the connector cover The tab at the top of the connector cover slides into the opening on the back of the cros...

Страница 61: ...be changed when the internal ET Enclosure humidity sensor measures 50 or higher Install the desiccant as shown in FIGURE 2 47 Keep unused desiccant tightly sealed in an airtight container Putting des...

Страница 62: ...apabilities of each package All software packages mentioned below come with extensive help files Contact Campbell Scientific with questions and support All software includes installation instructions...

Страница 63: ...f regular inspection and maintenance Routine and simple maintenance can be accomplished by the person in charge of the weather station More difficult maintenance such as sensor calibration sensor perf...

Страница 64: ...l for debris and level 1 month x Check the solar radiation sensor pyranometer for level and contamination Gently clean with blast of dry air soft camel hair brush or clean water if needed Handle the p...

Страница 65: ...distributor for service x Check calibration of the HMP60 ETS temp RH probe Sensor will tend to drift up over time giving readings higher than 100 Replace RH chip pn 9598 if necessary see FIGURE 4 1 a...

Страница 66: ...ure for Removing RH Chip 1 Unscrew the protective cap see FIGURE 4 1 2 Hold the plastic sides of the RH chip and unplug it To prevent scratching avoid touching the silver chip and handle the RH chip w...

Страница 67: ...el TL 59025 3 6 V Capacity 1 2 Ah Self discharge rate 1 year 20 C Operating temperature range 55 C to 85 C 4 2 Troubleshooting 4 2 1 No Response Using the CR1000KD Keypad Check keypad response after e...

Страница 68: ...herals At the computer D Make sure calling software is properly configured PC200W VisualWeather or LoggerNet E Check the cable s between the serial port and the modem If cables have not been purchased...

Страница 69: ...the physical wiring on the sensor connectors on the back of the enclosure If CRBasic is used to create the station program verify channel assignments and multipliers Datalogger program may need to be...

Страница 70: ...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 a Solid green Sol...

Страница 71: ...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 the same...

Страница 72: ...aximum Gain Questionable wind measurements 4 3 Schematics of Connectors Knowledge of schematics is not necessary for routine installation and maintenance Each connector has a small molded dot by pin 1...

Страница 73: ...034B LC Wind Speed and Direction Probe and Connector WS WD FIGURE 4 5 Schematic of Gill WindSonic1 ET Wind Sensor Soil Temperature Sensor 107 LC or 108 LC and Connector Temp Sonic Jumper P19 must be...

Страница 74: ...GURE 4 6 Schematic of CS305 ET Solar Radiation Sensor and Connector Solar Radiation The T106 used a Licor LI200X ET Solar Radiation Sensor with OHM readings of 450 to 650 NOTE Apogee Solar Radiation S...

Страница 75: ...T107 Weather Station FIGURE 4 7 Schematic of TE525 ET Rain Sensor and Connector Rain Precip Rain Precip 67...

Страница 76: ...T107 Weather Station FIGURE 4 8 Schematic of 107 LC or 108 LC Temperature Probe or CS616 LC Soil Volumetric Water Content Sensor and Connector Temp CS616 FIGURE 4 9 Schematic of Connector SDI 12 68...

Страница 77: ...eather Station 4 3 2 Power Schematics FIGURE 4 10 Schematic of Solar Panel and Connector Power 4 3 3 Communication Modems Schematics FIGURE 4 11 Schematic of Short Haul or Phone Modem and Connector CO...

Страница 78: ...T107 Weather Station 70...

Страница 79: ...x A T107 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 80: ...rly Date OK Comments REPLACE WIND SPEED BEARINGS AND REED SWITCH Recommended Yearly Date OK Comments REPLACE RH CHIP pn 9598 IN THE HMP60 ETS TEMP RH SENSOR Recommended Yearly Date OK Comments REPLACE...

Страница 81: ...4 consists of a 24 Ahr rechargeable battery CH100 regulator and a 10 inch x 12 inch environmental enclosure see FIGURE B 1 through FIGURE B 3 The battery should be recharged via ac power or solar powe...

Страница 82: ...Appendix B PS24 24 Ahr Power Supply and 10 x 12 inch Enclosure FIGURE B 2 24 Ahr Battery and Battery Cable B 2...

Страница 83: ...Appendix B PS24 24 Ahr Power Supply and 10 x 12 inch Enclosure FIGURE B 3 Enclosure Supply Kit B 3...

Страница 84: ...instructed to do so 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 Slide...

Страница 85: ...hes 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 5 shows...

Страница 86: ...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 6 FIGURE B 6 Top Clamp Hook Side Up B 6...

Страница 87: ...e bracket 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 7 Do NOT o...

Страница 88: ...illips 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 8 To remove the enclosure from the brac...

Страница 89: ...nel 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 T107 enclosure into the conduit at the bottom of the...

Страница 90: ...erminal block 11 Remove the blanket or box from the solar panel once it s wired in place 12 Wire the power cable coming from the T107 station as follows Power Cable from T107 to CH100 Red 12 Black The...

Страница 91: ...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 92: ...oth 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 Change...

Страница 93: ...Appendix C Exploded Views C 1 Enclosure C 1...

Страница 94: ...Appendix C Exploded Views C 2 Crossarm C 2...

Страница 95: ...d Speed meters second Alias Meas 7 WindDir Meas 7 Wind Direction degrees Alias Meas 8 Rain_mm Meas 8 Past 10 Second Rain Fall millimeters Alias Meas 9 Rain_Hr Meas 9 Rain fall for this hour Resets at...

Страница 96: ...de Altitude_m latitude FirstPass False Baro_Kpa 0 Scan 5 Sec 3 0 PortSet 9 1 Battery voltage Battery BattVolt Micrologger temperature PanelTemp LogrTmpC 250 Save Site Values If SaveSite 1 then CallTab...

Страница 97: ...IP TE525 ET TE525WS LC CS700 LC or TB4 LC tipping rain bucket PulseCount Rain_mm 1 2 2 0 0 254 0 Rain_inch Rain_mm 0 03937 Rain_Hr Rain_mm Rain_Hr RainRun RainRun Rain_mm CallTable ToroHourly If ToroH...

Страница 98: ...s Meas 5 Baro_Kpa Meas 5 Barometric Pressure Kilopascals Not used in T107 Alias Meas 6 WindSpd_ms Meas 6 Wind Speed meters second Alias Meas 7 WindDir Meas 7 Wind Direction degrees Alias Meas 8 Rain_m...

Страница 99: ...FP2 False False Minimum 1 Encl_RH FP2 False False Sample 1 WatchDog FP2 Sample 1 Overruns FP2 Sample 1 LowVolts FP2 EndTable DataTable STATS TRUE 168 DataInterval 0 60 Min 10 Totalize 1 one IEEE4 disa...

Страница 100: ...empC MinAirC Then MinAirC AirTempC EndIf CONNECTOR SOLAR RADIATION CS305 ET or LI200X ET Pyranometer VoltDiff SlrRad_W 1 mV7_5 3 true 0 _60Hz 200 0 If SlrRad_W 0 Then SlrRad_W 0 If SlrRad_W NAN Then S...

Страница 101: ...ir MaxAirC Min24Air MinAirC MaxAirC AirTempC MinAirC AirTempC Watchdog counts WatchDog Status WatchdogErrors 1 1 Skipped scan counts Overruns Status SkippedScan 1 1 Low voltage counts LowVolts Status...

Страница 102: ...Appendix D Default Programs D 8...

Страница 103: ...lectrical accidents may be avoided by locating the transformer remotely and burying a low voltage line to the station The low voltage will carry up to 500 feet on an 18 AWG power cable 2 Shut off 110...

Страница 104: ...stallation 4 Connect the power plug to the connector marked Power on the back of the enclosure See FIGURE 2 21 The splice and wire nut must be completely immersed into the silicon gel inside the splic...

Страница 105: ......

Страница 106: ...Campbell Scientific Canada Corp CSC 14532 131 Avenue NW Edmonton AB T5L 4X4 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edificio B...

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