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