Campbell Scientific Sentek EnviroSCAN EasyAG SDI-12 Manual v 3.4 User Manual
Page 23
EnviroSMART & EasyAG SDI-12 Probe Manual
Copyright © 1991 – 2003 Sentek Pty Ltd All rights reserved
Page 18
Total current consumption:
250µA @ sleep
66mA @ standby
105mA @ sampling (Moisture)
130mA @ sampling (TriSCAN™)
Time to sample 1 sensor:
1.2 seconds maximum (Moisture only)
2.4 seconds maximum (TriSCAN™)
Maximum sensors supported:
16 Moisture sensors or
16 TriSCAN™ sensors
Figure 4: EnviroSMART® SDI-12 probe interface board layout
1 6
TTL Port
3
1
SDI-12 data
Ground
+V
in
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