Campbell-scientific HMP155A Temperature and Relative Humidity Probe User Manual download pdf (Page 41)

Appendix C. Interfacing with HMP155A RS-485 Output

Use the Device Manager in Windows to determine which COM port the

USB/RS-485 cable was assigned:

Configure Windows HyperTerminal for the appropriate COM port (for

example, COM8 in the example above) for the default HMP155A RS-485

settings of 4800 baud, 7, E, 1.

C-5

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Campbell-scientific HMP155A Temperature and Relative Humidity Probe User Manual Page 41