Decagon Devices 10HS Скачать руководство пользователя страница 1 | Manualshive

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Decagon Devices, Inc.

Version: July 7, 2016 — 14:04:38

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Содержание 10HS

Страница 1: ...Decagon Devices Inc Version July 7 2016 14 04 38...

Страница 2: ...es Inc 2365 NE Hopkins Court Pullman WA 99163 Phone 509 332 5600 Fax 509 332 5158 Website www decagon com Email support decagon com or sales decagon com Trademarks c 2007 2013 Decagon Devices Inc All...

Страница 3: ...bout the 10HS 3 2 1 Background Info 3 2 2 Specifications 4 3 Theory 5 4 Installing the Sensor 6 4 1 Procedure 6 5 Connecting Sensors 9 5 1 Wiring 9 6 Calibration 12 6 1 Dielectric calibration 12 6 2 M...

Страница 4: ...through Friday between 8am and 5pm Pacific time Note If you purchased your sensor through a distributor please con tact them for assistance Email support decagon com or sales decagon com Phone 509 332...

Страница 5: ...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 without limitation loss of ant...

Страница 6: ...re sensor The new 10HS sensor uses the same 70 MHz oscillator frequency as the EC 5 but has a larger soil volume and requires no special calibration when you use it with other systems The 10HS has two...

Страница 7: ...08 VWC in mineral soils from 0 to 0 50 m3 m3 0 to 50 VWC Measurement Time 10 ms milliseconds Power Requirements 3 VDC 12 mA to 15 VDC 15 mA Output 300 to 1 250 mV independent of excitation voltage Ope...

Страница 8: ...t time t Vi is the starting voltage and Vf is the applied or supply voltage Further for a capacitor with a geometrical factor of F the capacitance is related to the dielectric permittivity of the medi...

Страница 9: ...kes This can attenuate the senors electromag netic field and adversely affect readings In addition the 10HS sensor should not be installed within 5 cm of the soil surface or the sensing volume of the...

Страница 10: ...any other implement that will guide the sensor into the soil at the bottom of the hole Many peo ple have used a simple piece of PVC pipe with a notch cut in the end for the sensor to sit in with the...

Страница 11: ...its length so a vertical installation will integrate VWC over a 10 cm depth wile a horizontal orientation will measure VWC at a more discrete depth Removing the Sensor When removing the sensor from t...

Страница 12: ...ional fee on a per meter fee basis Obtaining custom length cables elim inates the need for splicing the cable a possible failure point The 10HS is accurate with cable lengthes up to 40 m Connecting to...

Страница 13: ...Decagon data loggers These sensors typically come configured with stripped and tinned pigtail lead wires for use with screw terminals Refer to your distinct logger manual for details on wiring Pigtai...

Страница 14: ...d tin the wires and wire it directly into the data logger This has the advantage of creating a direct connection with no chance of the sensor becoming unplugged however it cannot be easily used in the...

Страница 15: ...5 V DC a 2 589 x 10 10 mV 4 x 5 010 x 10 7 mV 3 3 523 x 10 4 mV 2 9 135 x 10 2 mV 7 457 4 6 2 Mineral Soil Calibration For convenience Decagon has also developed a standard calibration equation for mi...

Страница 16: ...oil type With a soil specific calibration the accuracy of the VWC measurements will be improved to 1 to 2 in any soil or other porous medium If you are interested in a soil specific calibration for yo...

Страница 17: ...the 2 5 V excitation port of many Campbell Scientific data loggers We recommend that the switched 12 V or CAO port be used to excite the 10HS Cr Basic type data logger CR1000 Series Datalogger progra...

Страница 18: ...10HS bare gnd G or AG Table 1 Program 01 10 Execution Interval seconds set C1 high to pull SW 12 port high 1 Do P86 1 41 Set Port 1 High delay program 10 ms and measure SE channel 1 in units of volts...

Страница 19: ...9 C1 6 7 37 C2 7 2 97 C3 8 0 0 C4 9 0 0 C5 5 If time is P92 1 0000 Minutes Seconds into a 2 60 Interval same units as above 3 10 Set Output Flag High Flag 0 6 Real Time P77 18390 1 1110 Year Day Hour...

Страница 20: ...63 USA Type of Equipment Dielectric Soil Moisture Sensor Model Number 10HS Year of First Manufacture 2008 This is to certify that the 10HS dielectric soil moisture sensor man ufactured by Decagon Devi...

Страница 21: ...ll Scientific 4 Communications 11 Compatibility 4 Decagon 4 Non Decagon 10 Other 4 Dielectric Permittivity 12 ECH2O Utility 10 14 Email 1 Installation Horizontal 6 Vertical 7 Measurement Time 4 Minera...

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