3 sensors, 1 analog sensors – Campbell Scientific CR3000 Micrologger User Manual
Page 36
Section 4. Quickstart Tutorial
36
4.1.3 Sensors
Most electronic sensors, whether or not manufactured or sold by Campbell
Scientific, can be interfaced to the CR3000. Check for on-line content concerning
interfacing sensors at www.campbellsci.com, or contact a Campbell Scientific
applications engineer for assistance.
4.1.3.1 Analog Sensors
Analog sensors output continuous voltages that vary with the phenomena
measured. Analog sensors connect to analog terminals. Analog terminals are
configured as single-ended, wherein sensor outputs are measured with respect to
ground (figure Analog Sensor Wired to Single-ended Channel #1
(p. 36)
) or
configured as differential, wherein the high output of a sensor is measured with
respect to the low output (figure Analog Sensor Wired to Differential Channel #1
). Table Single-ended and Differential Input Channels
(p. 37)
lists channel
assignments.
Figure 3: Analog sensor wired to single-ended channel #1
Figure 4: Analog sensor wired to differential channel #1
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