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3 months ago#41 Electronic Measurement Equipment: Review LP-100A Digital PEP/Avg Vector Wattmeter TelePost Inc. Duration: 1:16:44. TRX Bench 26,642 views. Daiwa CN-501V 140-525 MHz Cross-Needle SWR/Power Meter w/ SO-239 Connectors. These meters are the replacement for CN-103M due to changes to the toggle switches on the front panel have been replaced with push-button switches.
Calibration instructions for a Daiwa CN-501H
Hello, fellow hams,
I recently acquired a previously owned Daiwa CN-501H cross-needle SWR & Power Meter in excellent condition on eBay. It works (I am seeing reflected power readings which track my antenna's tuning, but comparing to a friend's $200 Palstar meter, forward power readings are 50 - 100% off on all bands on the 15W scale with my Flex 1500 transceiver. Opening it up, there are six pots, presumably two for each of the three scales: 15W, 150W, and 1500W. Can anyone help me get a digital copy of a calibration procedure or at least, a schematic on this unit? If I had a schematic, that would be enough for me to figure this procedure out, I expect.
73's,
Brian KN4RDF
100% Upvoted
Item location: Rexford, Montana, United States
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