Campbell CS110 Manual de usuario

CS110

Electric Field

Meter

Instruction Manual

Issued: 29.5.12

Printed under Licence by Campbell Scientific Ltd.

CSL 619

Guarantee

The CS110 ELECTRIC FIELD METER (CS110) is warranted by CAMPBELL

SCIENTIFIC, LTD. 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

LTD’S obligation under this warranty is limited to repairing or replacing (at

CAMPBELL SCIENTIFIC LTD’S option) defective products. The customer shall

assume all costs of removing, reinstalling, and shipping defective products to

CAMPBELL SCIENTIFIC, LTD. CAMPBELL SCIENTIFIC, LTD. will return

such products by surface carrier prepaid. This warranty shall not apply to any

CAMPBELL SCIENTIFIC, LTD. products which have been subjected to

modification, misuse, neglect, accidents of nature, lack of maintenance or shipping

damage. This warranty is in lieu of all other warranties, expressed or implied,

including warranties of merchantability or fitness for a particular purpose.

CAMPBELL SCIENTIFIC, LTD. is not liable for special, indirect, incidental or

consequential damages from the use, failure or malfunction of the CS110. In no

event will CAMPBELL SCIENTIFIC, LTD. have liability in excess of the

purchase price for the CS110. CAMPBELL SCIENTIFIC, LTD. does not warrant

that the CS110 will meet customer’s requirements or that its operation will be

uninterrupted or error-free. Atmospheric or local electric field conditions or

different site characteristics may cause false information, late data, or otherwise

incomplete or inaccurate data. The CS110 only measures conditions that make

lightning more likely. Just as with weather forecasts, the CS110 measurements

only help assess the probability of lightning. Lightning can occur causing personal

injury, even death, or damage to property without any warning from the CS110.

Please inform us before returning equipment and obtain a Repair Reference

Number whether the repair is under guarantee or not. Please state the faults as

clearly as possible, and if the product is out of the guarantee period it should be

accompanied by a purchase order. Quotations for repairs can be given on request.

When returning equipment, the Repair Reference Number must be clearly marked

on the outside of the package.

Note that goods sent air freight are subject to Customs clearance fees which

Campbell Scientific will charge to customers. In many cases, these charges are

greater than the cost of the repair.

Campbell Scientific Ltd,

Campbell Park, 80 Hathern Road,

Shepshed, Loughborough, LE12 9GX, UK

Tel: +44 (0) 1509 601141

Fax: +44 (0) 1509 601091

Email: [email protected]

www.campbellsci.co.uk

PLEASE READ FIRST

About this manual

Please note that this manual was originally produced by Campbell Scientific Inc. primarily for the

North American market. Some spellings, weights and measures may reflect this origin.

Some useful conversion factors:

Area: 1 in2(square inch) = 645 mm2

Length: 1 in. (inch) = 25.4 mm

1 ft (foot) = 304.8 mm

1 yard = 0.914 m

1 mile = 1.609 km

Mass: 1 oz. (ounce) = 28.35 g

1 lb (pound weight) = 0.454 kg

Pressure: 1 psi (lb/in2) = 68.95 mb

Volume: 1 UK pint = 568.3 ml

1 UK gallon = 4.546 litres

1 US gallon = 3.785 litres

In addition, while most of the information in the manual is correct for all countries, certain information

is specific to the North American market and so may not be applicable to European users.

Differences include the U.S standard external power supply details where some information (for

example the AC transformer input voltage) will not be applicable for British/European use. Please

note, however, that when a power supply adapter is ordered it will be suitable for use in your country.

Reference to some radio transmitters, digital cell phones and aerials may also not be applicable

according to your locality.

Some brackets, shields and enclosure options, including wiring, are not sold as standard items in the

European market; in some cases alternatives are offered. Details of the alternatives will be covered in

separate manuals.

Part numbers prefixed with a “#” symbol are special order parts for use with non-EU variants or for

special installations. Please quote the full part number with the # when ordering.

Recycling information

At the end of this product’s life it should not be put in commercial or domestic refuse

but sent for recycling. Any batteries contained within the product or used during the

products life should be removed from the product and also be sent to an appropriate

recycling facility.

Campbell Scientific Ltd can advise on the recycling of the equipment and in some cases

arrange collection and the correct disposal of it, although charges may apply for some

items or territories.

For further advice or support, please contact Campbell Scientific Ltd, or your local agent.

Campbell Scientific Ltd, Campbell Park, 80 Hathern Road, Shepshed, Loughborough, LE12 9GX, UK

Tel: +44 (0) 1509 601141 Fax: +44 (0) 1509 601091

Email: [email protected]

www.campbellsci.co.uk

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.

1. General Description ....................................................1

1.1 CS110 Introduction...................................................................................1

1.2 CR1000 Datalogger..................................................................................2

1.3 Meteorological Inputs...............................................................................2

1.4 Communication and Data Storage............................................................2

1.5 Digital I/O.................................................................................................3

1.6 Self-Check Features..................................................................................3

2. CS110 Specifications ..................................................4

3. CS110 Measurement Details.......................................6

4. Site Requirements and Recommendations...............8

4.1 Power Requirements.................................................................................8

4.2 Campbell Scientific, Inc. Power Supplies ................................................9

4.3 Communication Options...........................................................................9

4.4 Site Recommendations ...........................................................................10

5. Factory Calibration and Site Correction..................10

5.1 Factory Calibration.................................................................................10

5.2 Site Correction........................................................................................13

6. Lightning Warning.....................................................17

7. CRBasic Programming .............................................19

8. CS110 Measurement Instructions............................22

8.1 CR1000 Measurement Overview............................................................22

8.2 Measuring Electric Field.........................................................................24

8.3 Measuring Electric Field Change ...........................................................24

8.4 Measuring Solar Radiation or Barometric Pressure................................25

8.5 Measuring Air Temperature and Relative Humidity ..............................25

8.6 Measuring Wind Speed and Direction....................................................25

8.7 Measuring Rainfall .................................................................................26

8.8 Measuring Internal Case Humidity.........................................................26

9. PC Software ...............................................................26

9.1 Quick Start..............................................................................................26

10. Maintenance.............................................................30

10.1 Checking Site Ground Integrity............................................................30

10.2 Corrosion and Rust Inhibitors ..............................................................30

10.3 Self-Check Features..............................................................................32

10.4 Cleaning the CS110 Electrode Head....................................................32

10.5 Changing Desiccant..............................................................................33

10.6 Checking Shutter/Encoder Alignment..................................................35

10.7 Re-Calibration ......................................................................................35

11. References ...............................................................36

Appendices

A. CS110 Measurement Status Codes....................... A-1

B. CS110 Accessories................................................. B-1

B.1 Zero Field Cover Plate.........................................................................B-1

B.2 Upward-Facing Site Calibration Kit....................................................B-1

B.3 CR1000 Keyboard Display..................................................................B-1

B.4 Miscellaneous Peripheral Modules......................................................B-1

C. CS110 Connector Pin-outs.....................................C-1

D. Servicing the CS110................................................D-1

D.1 Lid Gasket............................................................................................D-1

D.2 Changing Out the CR1000 ..................................................................D-1

D.3 Changing Out Motor Assembly...........................................................D-2

D.4 Changing Out the CS110 Panel Board Assembly ...............................D-2

D.5 Shutter/Encoder Alignment.................................................................D-2

D.6 Motor O-ring Seal................................................................................D-6

E. CS110 as a Slow Antenna....................................... E-1

E.1 Response of the CS110 Slow Antenna in the Frequency Domain.......E-1

E.2 Response of the CS110 Slow Antenna in the time Domain.................E-3

E.3 Programming........................................................................................E-5

E.4 Calibration............................................................................................E-6

F. Example CRBasic Programs ...................................F-1

G. CS110 2 Metre CM10 Tripod Site...........................G-1

H. Tripod CS110 and StrikeGuard Site ......................H-1

H.1 Tripod CS110 and StrikeGuard...........................................................H-1

H.1.1 Installation of the Tripod CS110 and StrikeGuard site..............H-2

H.1.2 Determination of Csite...............................................................H-6

iii

Figures

1. CS110 Electric Field Meter ........................................................................1

2. Charge Amplifier Circuitry of Reciprocating Electric Field Meter............6

3. Charge Amplifier Output During an Electric Field Measurement Cycle ...7

4. CS110 Average Current Consumption versus measurement Interval ........9

5. Parallel-Plate Electric Field Meter Calibration Chamber.........................11

6. Factory Calibration Data for CS110 SN: 1026.........................................12

7. NIST Calibration Certificate.....................................................................13

8. CS110 2 Metre CM10 Tripod Site............................................................14

9. Campbell Scientific, Ltd. Electric Field Meter Site Correction Facility...15

10. CS110 Attached to Upward-Facing Flush-Mounted Plate for Site

Correction..............................................................................................15

11. Site Correction Data for CS110 2 Metre CM10 Tripod Site..................16

12. Electric Field Measured with CS110 During Local Thunderstorm........18

13. CS110 Stator, Shutter and Sense Electrode............................................32

14. Inside of CS110 Case Illustrating Bracket for Holding Desiccant.........34

D-1. Exploded View of CS110 Electric Field Meter................................. D-1

D-2. CS110 Motor Assembly.................................................................... D-4

E.1. CS110 slow antenna frequency response............................................E-2

E.2. KSC electric field and CS110 slow antenna data................................E-3

E.3. KSC electric field change and CS110 slow antenna data....................E-4

G-1. CS110 2 Metre CM10 Tripod Site .................................................... G-1

G-2. CS110 on CM10 Tripod Mast........................................................... G-3

G-3. Earth Grounding................................................................................ G-4

G-4. Determination of Csite ...................................................................... G-5

H-1. Tripod CS110 and StrikeGuard......................................................... H-1

H-2. CS110 and StrikeGuard on Tripod Mast........................................... H-2

H-3. Grounding the CS110 Grounding Strap............................................ H-3

H-4. Grounding the Tripod and Battery .................................................... H-4

H-5. Connections for Combined System................................................... H-5

H-6. Determination of Csite ...................................................................... H-6

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