Quote:
|
What are some ways I can test for accuracy?
|
Well, when Sonnie and I were creating the calibration files for the three RS meters, measured against the ECM8000 that Sonnie had professionally calibrated, we overlayed our final responses using the cal files we had developed.
We felt that if we measured the same signal with the three different RS meters (using our newly generated cal files) against the ECM8000 and the responses were fairly close, then we'd be OK.
Here is a set of response graphs of the three types of RS meters using the cal files posted here at the Shack against the ECM 8000. We actually had two digitals at the time.
Here's the 10Hz to 150Hz graph....
final_four_meters_with_new _cals_loaded.jpg
Here we look a little closer from 10hz to 60Hz to check accuracy.
final_four_meters_with_new _cals_loaded_resolute.jpg
Here we separate the different graphs to get a closer look.... You see the ECM8000, an old analog, a new analog and two new digitsl using the new cal files......
final_four_meters_with_new _cals_loaded_trace_seperate.jpg
They're close enough for me. Is that close enough for you?
brucek