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I guess reliability relative. I have a Davis Vantage Pro which isn't available anymore ,nor are parts for it. I have had 2 issues since I've had my station.

About 2 years after I purchased the system I had an issue with the remote sensors transmitting intermittently during rain and heavy fog. I figured it was the battery not holding a charge from the solar panel. Replacing the battery didn't fix the problem so I called Davis. They sent me a SIM Replacement Kit. The kit replaced the circuit board under the rain bucket and relocated the temp and humidity sensor.

The system worked fine until the data logger which is located in the observatory suffered damaged due to a lightning strike. The data logger has 2 sides; a wireless side and a wired RS232 side that talks to the remote PC. The lightning took out the underground wired RS232 section. That happened about 2 years or so ago and the logger was repaired. Last year another strike took out the RS232 port on the PC but the data logger survived.

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You have a great setup...let me see if I can help.

It sounds like you need either spark gap protection on both ends of the RS232 wired side or put in a fiber optic link.

Is the RS232 run of wires shielded and the shield grounded?

This will give you some info on the subject.

http://www.arcelect.com/lightnin.htm

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