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Decagon Devices EC-5, Руководство пользователя

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EC-5 User’s Manual

2. About the EC-5

4

2. About the EC-5

The two-prong design and higher measurement fre-
quency allows the EC-5 to measure VWC from 0 to
100% (VWC of saturated soils is generally 40-60%
depending on the soil type) and allows accurate mea-
surement of all soils and soilless medias with a wide
range of salinities.

Sensor Features

                            Fig. 1: EC-5 diagram

Circuitry

Sensor

Содержание EC-5

Страница 1: ...EC 5 Soil Moisture Sensor User s Manual Version 2...

Страница 2: ...n Devices Inc 2365 NE Hopkins Court Pullman WA 99163 USA 509 332 5600 Trademarks ECH2O is a registered trademark of Decagon Devices Inc All rights reserved 2001 2012 Decagon Devices Inc All rights res...

Страница 3: ...ures 4 Wiring Diagrams 5 3 5mm Plug Wiring 5 Wiring to Non Decagon Data Loggers 5 Extended cable lengths 6 3 Installing the Sensors 7 Procedure 7 Orientation 8 Removing the Sensor 8 4 Collecting Data...

Страница 4: ......

Страница 5: ...Requirements 2 5VDC 3 6VDC 10mA Output 10 40 of excitation voltage 250 1000mV at 2500mV excitation Operating Environment 40 to 60 C Range of Measurement 0 to saturation Sensor dimensions 8 9cm x 1 8c...

Страница 6: ...ay between 7am and 5pm Pacific time NOTE If you purchased your EC 5 through a distribu tor please contact them for assistance E mail support decagon com or sales decagon com Phone 1 509 332 5600 Fax 1...

Страница 7: ...red only by the warranty of its manufacturer Seller shall not be liable to Buyer for loss damage or injuries to persons including death or to property or things of whatsoever kind including but not wi...

Страница 8: ...measurement fre quency allows the EC 5 to measure VWC from 0 to 100 VWC of saturated soils is generally 40 60 depending on the soil type and allows accurate mea surement of all soils and soilless medi...

Страница 9: ...onfig ured for connecting to non Decagon data loggers Sim ply wire the lead into the data logger as described in Connecting to a Data Logger in Chapter 4 If your model uses the standard 3 5mm plug you...

Страница 10: ...gtail adapter Both the sensor wire and adapter cable wire have the same wire output shown in Fig 3 the white wire is excitation red is output and the bare wire is ground Fig 3 3 wire cable wiring conf...

Страница 11: ...C 5 has gaps between its prongs it is also important to consider the size of the media you are inserting the sensor into It is possible to get sticks bark roots or other material stuck between the sen...

Страница 12: ...e careful not to bend the black overmolding connecting the sensor to the cable To watch a video on proper installation of the sensor go to www decagon com install Orientation The sensor can be oriente...

Страница 13: ...edium surrounding the sensor and ranges between 10 and 50 of the excitation voltage Any data logger which can produce a 2 5 to 3 6V excitation with approximately 10 millisecond duration and read a vol...

Страница 14: ...d Fig 5 Data logger configuration Sample Program The following program is an example that can be used with Campbell Scientific s CR10X data logger and our EC 5 sensor at a 2500mV excitation CR10X Exam...

Страница 15: ...sec units 6 2500 mV Excitation 7 1 Loc Probe_VWC 8 00119 Multiplier 9 4 Offset Table 2 Program 02 0 0000 Execution Interval seconds Table 3 Subroutines End Program SCWin Short Cut Directions The follo...

Страница 16: ...tory path search for the folder that contains SCWIN exe and place the files into that folder 4 Open up SCWin exe Short Cut If you are using a V 3 copy of LoggerNet there is a tab for SCWin Short Cut o...

Страница 17: ...ogger you will need to use the 2500 mV calibration If you use any Decagon software DataTrac3 ECH2O Utility etc or the user calibration menu in the ProCheck you will need to use the RAW calibration The...

Страница 18: ...tivity can be used to determine volu metric water content using external published equations such as the Topp equation Dielectric permittivity is given by 1 1 1 x 10 9 RAW3 x 10 6 RAW2 x 10 3 RAW wher...

Страница 19: ...a quadratic equation which would result in a 100 VWC in water but a linear equation fits the mineral soil VWC range as well as the quadratic and linear equations are easier to deal with especially sin...

Страница 20: ...only apply to 2500mV excitations use of these numbers with any other excitation voltage will result in erroneous readings Troubleshooting If you encounter problems with the EC 5 they most likely will...

Страница 21: ...99163 USA Type of Equipment Soil moisture sensor Model Number EC 5 Year of First Manufacture 2001 This is to certify that the EC 5 ECH2O soil moisture sensor manufactured by Decagon Devices Inc a cor...

Страница 22: ...EC 5 User s Manual Declaration of Conformity 18...

Страница 23: ...for potting soil 15 for rockwool 16 Customer support 2 D Data logger 1 connecting to 10 requirements 9 sample program 10 Declaration of conformity 17 Dielectric permittivity 14 E E mail 2 Extension c...

Страница 24: ...tion 5 Potting soil 15 Power requirements 1 Program 10 R Range 1 Removing sensor 8 Rockwool 16 S Seller s liability 2 Sensor calibration 13 installation instructions 7 orientation 8 specifications 1 S...

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