Campbell-scientific CS650 and CS655 Water Content Reflectometers Bedienungsanleitung PDF herunterladen (Seite 25)

CS650 and CS655 Water Content Reflectometers

TABLE 6-3. CS650 Terminal Commands

Command

Values Returned

Units

1) Volumetric Water Content, θ

2) Electrical Conductivity, σ

3) Temperature

dS/m

°C

1) Permittivity, ε

2) Electrical Conductivity, σ

3) Temperature

dS/m

°C

1) Period, τ

2) Voltage Ratio, α

3) Temperature

µSec

°C

1) Volumetric Water Content, θ

2) Electrical Conductivity, σ

3) Temperature

4) Permittivity, ε

5) Period, τ

6) Voltage Ratio, α

dS/m

°C

µSec

1) Copyright information

2) OS version and Date

3) Product Serial Number

4) Product User Name

5) SDI-12 Address

H or h

Help Menu

6.5 SDI-12 Measurements

The CS650 responds to SDI-12 commands M!, M1!, M2!, M3!, ?!, and I!.

TABLE 6-4 shows the values returned for each of these commands. The ?!

and I! commands are not used with Edlog dataloggers.

See Section 6.3.1, SDI-12 Wiring, for SDI-12 wiring details.

See Appendix B for additional detail concerning SDI-12 sensors, including

changing the SDI-12 address in SDI-12 transparent mode.

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