Fluke 287 back cover convertion to li-on 18650
thingiverse
This is a back battery cover for Fluke 287 and is made to work with Lithium batteries 3x 18650 cells connected in parallel using a MT3608 dc-dc boost converter to raise the voltage to 9v. For a complete guide how to power it you can find this indestructible that explains all: https://www.instructables.com/Convert-Alkaline-Batteries-powered-Multimeter-to-L/ ( fluke takes 103mA with light on and leads sorted on diode mode but works ok with a 6 pin dip optocoupler) The dimensions are not perfect but with a little sanding work fine . i suggest printing it with back on the bed and glue the part with the charge board after i tried to print it all in one go with supports and it worped badly .
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