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Campbell ET101 Instruction Manual - Warranty and Assistance

Summary of ET101

  • Page 1

    Instruction manual et101 weather station revision: 12/97 c o p y r i g h t ( c ) 1 9 9 3 - 1 9 9 7 c a m p b e l l s c i e n t i f i c , i n c ..

  • Page 2: Warranty and Assistance

    Warranty and assistance the et101 weather station is warranted by campbell scientific, inc. To be free from defects in materials and workmanship under normal use and service for twelve (12) months from date of shipment unless specified otherwise. Batteries have no warranty. Campbell scientific, inc....

  • Page 3

    I table of contents pdf viewers note: these page numbers refer to the printed version of this document. Use the adobe acrobat® bookmarks tab for links to specific sections. Page 1. Preparation and siting .............................................................................................1-1...

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    1-1 section 1. Preparation and siting these guidelines apply to several different campbell scientific weather stations. 1.1 installation tasks 1.1.1 indoors • immediately upon receipt of your shipment… ⇒ open shipping cartons. ⇒ check contents against invoice. Contact csi immediately about any short...

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    Section 1. Preparation and siting 1-2 ut10 tape measure (12' to 20') level (24" to 36") pick or digging bar claw hammer materials for concrete form: hand saw (4) 12" wood stakes (1) 2"x 4"x 8' piece of lumber (8) 8p double-head nails (8) 16p double-head nails concrete trowels (2) 1 to 1.5" thick x 2...

  • Page 7

    Section 1. Preparation and siting 1-3 ut30 tape measure (12' to 20') 3/8" nut driver level (36" to 48") pliers climbing harness hard hats 50' haul rope crescent wrench channel-lock pliers ¼" washers (spacers for u-bolts) 5/64" allen hex wrench 1.2.3 supplies for power and communications options ac p...

  • Page 8

    Section 1. Preparation and siting 1-4 collectors should be heated, if necessary, to properly measure frozen precipitation. The gage must be mounted above the average level of snow accumulation in areas that experience significant snowfall. Standard measurement heights: 1.0 m ± 1.0 cm (aasc) 30.0 cm ...

  • Page 9

    Section 1. Preparation and siting 1-5 1.4 determining true north for wind vane orientation magnetic declination, or other methods to find true north, should be determined prior to installing the weather station. True north is usually found by reading a magnetic compass and applying the correction fo...

  • Page 10

    Section 1. Preparation and siting 1-6 1.4.1 nssdc cgm service the nssdc cgm (corrected geomagnetic) service provides an easy way of determining magnetic declination of a specific site. Since magnetic declination fluctuates with time, it should be determined each time the wind vane orientation is adj...

  • Page 11

    Section 1. Preparation and siting 1-7 magnetic declination is bold in this example to show its location in the table. A positive declination is east, while a negative declination is west. The declination in this example is 14.417 degrees. As shown in figure 1.4-1, the declination for logan, ut is ea...

  • Page 13

    2-1 section 2. Et tower installation danger: do not install near power lines. If any part of the tower comes in contact with power lines you could be killed. Contact local utilities for the location of buried utility lines before digging or driving grounding rods. Caution: do not fit the 3 meter et ...

  • Page 14

    Section 2. Et tower installation 2-2 2.1 base installation 2.1.1 supplied components (3) ½ inch l-bolts (9) ½ inch nuts (1) anchor template refer to section 1 for components supplied by installer 2.1.2 installation 1. The et tower attaches to a user supplied concrete foundation constructed as shown ...

  • Page 15

    Section 2. Et tower installation 2-3 2.2 tower installation 2.2.1 supplied components (1) upper tower section (tapered) (1) lower tower section (6) ½ inch washers (1) 12 foot 12 awg ground cable (1) tower cap (1) 20' communications cable (1) 20' power cable refer to section 1 for components supplied...

  • Page 16

    Section 2. Et tower installation 2-4 2.3 tower grounding 2.3.1 supplied components (1) 5 foot 4 awg ground cable (1) copper ground lug, bolt (1) ground rod, clamp refer to section 1 for components supplied by installer. 2.3.2 grounding procedure ground the tower as shown in figure 2.2-1. 1. Place th...

  • Page 17

    3-1 section 3. Et instrumentation installation the weather station datalogger, power supply, sensor connection panel, communications devices, and data retrieval peripherals are mounted in the et enclosure at the locations shown in figure 3-1. Components include: (1) et enclosure (1) 4 unit desiccant...

  • Page 18

    Section 3. Et instrumentation installation 3-2 3.1 enclosure, datalogger, power supply 3.1.1 battery option installation a) alkaline option: the bpalk houses 8 "d" cell batteries. Install it as shown in figure 3.1-1. Remove the external circuit board with wire and connector by loosening the 2 philli...

  • Page 19

    Section 3. Et instrumentation installation 3-3 b) after 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. Make electrical connections as described in 2b above. 3....

  • Page 20

    Section 3. Et instrumentation installation 3-4 3.2 sensor connection 1) install the sensor set as described in section 4. 2) remove the protective connector cover from the back of the et enclosure by removing the two phillips head screws. Sensors connect to one of seven labeled bulkhead connectors a...

  • Page 21

    Section 3. Et instrumentation installation 3-5 3.3.1.1 internal installation for installation inside the et enclosure, the following components are provided in the phone modem kit: (1) com200 or com300 phone modem (1) 12 inch rj-11 patch cord (1) mounting bracket (4) screws (1) 12 inch 14 awg ground...

  • Page 22

    3-6 figure 3.3-2. Cellular phone mounting and connection green modem ground wire to modem “gnd” terminal cellular power connector rj11c patch cord cellular handset connector (normally not used) power indicator (do not press) rj11c interface coax bulkhead connector battery motorola m600 transceiver c...

  • Page 23

    3-7 3.3.2.2 external installation the following cellular kit components are used to make the external connections: (1) cellular antenna (1) 9 foot coaxial antenna cable (1) antenna mounting bracket figure 3.3-3. Cellular phone antenna mounting 1) mount the antenna to the et tower as shown in figure ...

  • Page 24

    Section 3. Et instrumentation installation 3-8 at the pc: (1) rad modem (1) 5 foot 4-wire patch cable (1) 10 foot 14 awg ground wire (1) surge protector and case 1) connect the 20 foot patch cable to connector #8 on the external back panel of the et enclosure. Splice this cable to the user supplied ...

  • Page 25

    Section 3. Et instrumentation installation 3-9 3.4 sealing and desiccating the enclosure the et enclosure is supplied with a desiccant pack. The desiccant maintains a low humidity in the enclosure to minimize the chance of condensation on the instrumentation. Desiccant should be changed when the int...

  • Page 27

    4-1 section 4. Et101 reduced sensor set installation 4.1 reduced sensor set installation components (1) et101 sensor set 4.2 installation the et101 reduced sensor set is normally pre-installed. If necessary, install it as shown in figure 4.2-1 before mounting the enclosure on the tower. Figure 4.2-1...

  • Page 28

    Section 4. Et101 reduced sensor set installation 4-2 4.6 sensor verification and clock set check the measurements of all sensors after the datalogger is programmed. Display measurements using the *6 mode with the cr10kd (refer to the laminated prompt sheet, or the monitor mode of the pc208 datalogge...

  • Page 29

    Section 4. Et101 reduced sensor set installation 4-3 cs 200 air temperature probe connector pin datalogger not used excitation top temperature thermistor thermistor 1k ohm 1k ohm 249k ohm 249k ohm analog ground bottom temperature shield 4 3 1 5 2 6 e1 1h ag 1l g 1 2 3 4 5 6 figure 4-2. Schematic of ...

  • Page 31

    5-1 section 5. Et software installation the et evapotranspiration stations are supported by pc120 "etpro" for ms-dos. Etpro is used to write and download the station program, and to retrieve and report data. Etpro works in conjunction with pc208 datalogger support software. Pc120 and pc208 each have...

  • Page 33

    6-1 section 6. Maintenance and troubleshooting these guidelines apply to several different campbell scientific weather stations. 6.1 maintenance proper maintenance of weather station components is essential to obtain accurate data. Equipment must be in good operating condition, which requires a prog...

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    Section 6. Maintenance and troubleshooting 6-2 general maintenance • an occasional cleaning of the glass on the solar panel will improve its efficiency. • check sensor leads and cables for cracking, deterioration, proper routing, and strain relief. • check the tripod or tower for structural damage, ...

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    Section 6. Maintenance and troubleshooting 6-3 6.2.3 -99999 displayed in an input location a. Make sure the battery voltage is between 9.6 and 16 vdc. B. With the metdata1 or et106, verify that the sensor is connected to the proper bulkhead connector. With custom weather stations, verify the sensor ...

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    Campbell scientific companies campbell scientific, inc. (csi) 815 west 1800 north logan, utah 84321 united states www.Campbellsci.Com info@campbellsci.Com campbell scientific africa pty. Ltd. (csaf) po box 2450 somerset west 7129 south africa www.Csafrica.Co.Za sales@csafrica.Co.Za campbell scientif...