Just remove the strap that would secure the tape measure, and stick the PKE meter's handle through the opening at the bottom. Can't say whether this exact one would fit well (you should check its dimensions and measure your meter to compare), but the one I have fits the Matty PKE quite well.
https://www.ebay.com/itm/234527173433?h ... R4aW1p2DYQ
https://www.amazon.com/dp/B0006GPZ7Q?ps ... ct_details
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