On 8/4/2010 9:18 AM, Joe wrote: > Sometimes troubles like this are hard to find because you can't be there > when it is happening. I have found that a Radio Shack Digital Voltmeter > that I have and an old laptop have been handy for such times. I bought > an RS DVM with the RS-232 interface on sale a few years ago. I > connected it to an old laptop that I have via the RS-232 port and run > the simple program that came with the DVM. It records readings over > time and stores them to a file. You can then look at the file and see > if things have changed over a period of time. I've used it to record AC > voltage at sites where I suspected drops in voltage levels and it was > helpful to get things fixed. Definitely not lab quality equipment, but > very helpful in troubleshooting. This setup could easily watch the 10 > volt line or the compensation voltage line. > > Just thought I'd pass this idea along. > > 73, Joe, K1ike
Really??? What's the model of that DMM? We could use that here! Jim
