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Á¦¸ñ Stevens Hydra Probe ll Sensor(Åä¾ç¼öºÐ / EC / ÁöÁ߿µµ)

Stevens Hydra Probe ll Sensor(Åä¾ç¼öºÐ / EC / ÁöÁ߿µµ)

                                                                                       

¹Ì±¹ ½ºÆ¼ºì½º »çÀÇ Åä¾ç¼öºÐ / EC(Àü±âÀüµµµµ) / ÁöÁ߿µµ

ÃøÁ¤ÀÌ °¡´ÉÇÑ ´Ù±â´É ¼¾¼­ÀÔ´Ï´Ù.








<​Stevens Hydra Probe Sensor>


-​Á¤È®µµ ¹× ¹üÀ§-

 

 Á¤È®µµ

¹üÀ§




Åä¾ç¼öºÐ 

 ¡¾ 0.01 WFV for most soils
¡¾ ¡Â0.03 max for fine

textured soils

 0%(¿ÏÀü°ÇÁ¶) ~ 100%

 Àüµµ¼º

 ¡¾ 2.0% or 0.02 S/m

whichever is typically greater

 0.01 to 1.5 S/m

 ¿Âµµ

 ¡¾ 0.3¡Æ C

 -10¡Æ to +55¡Æ C

 º¯µ¿¼º

 ¡¾ 0.012 WFV (¥è m3 m-3)

 

 

Á¤¹Ðµµ´Â ÀϺΠÅä¾çÀÇ Å伺¿¡ µû¶ó ´Þ¶óÁú ¼ö ÀÖ½À´Ï´Ù​


   Åä¾ç¼öºÐ(´ÜÀ§ WFV)

¡¾ 0.01 (ÀÏ¹Ý Åä¾ç)

    ¡¾ 0.03 (¼¼¸³Áú Åä¾ç) 



​-Åë½Å ¹× Àü¾Ð-


 

 SDI-12

 RS485

 Àü¾Ð

 9-20 VDC

 9-20 VDC

 Àü¿ø ¼Òºñ·®

 <1 mA idle / 10

mA active

 <10 mA idle / 30

mA active

 ÄÉÀ̺í

 3-wire: power,

ground, data

 4-wire: power, ground, com+, com-

 ÃÖ´ë ±æÀÌ

 60 m (197 ft.)

 1,219 m (4,000 ft.)
Non-spliced:

304.8 m (1,000 ft.)

 Àü¼Û ¼Óµµ(BoudRate)

 1200

 9600

 Åë½ÅÇÁ·ÎÅäÄÝ

 SDI-12 Standard

v. 1.2

 Custom or

open spec

 

ÄÉÀÌºí ±æÀÌ¿¡ µû¶ó 3°¡Áö ¸ðµ¨·Î ºÐ·ùµÇ¾î ÀÖÀ¸¸ç ±æÀÌ¿¡ µû¸¥ ¼º´É Â÷ÀÌ´Â

¾ø°í Åë½Å ÇÁ·ÎÅäÄÝ ¹æ½Ä¿¡ µû¶ó SDI-12, RS485 µÎ°¡Áö ¸ðµ¨·Î ³ª´¹´Ï´Ù.​

-> 25ft(7.62m) / 50ft(22.86m) / 100ft(30.48m)

​Analog (Àü¾ÐV) ŸÀÔµµ °¡´É






*-22¡Æ F (-30¡Æ C)ÀÌÇÏÀÇ ¿Âµµ ÃøÁ¤À» À§ÇØ​ "Extended Temperature Range¡±

(È®Àå¿Âµµ)¹öÀü »ç¿ë°¡´É



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