Cole-parmer 7520-40 calibration

bluegrassreefguy

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I recently purchased a used 7520-40 unit and I feel that it needs to be calibrated

I looked up the manual and I have no clue to what it's asking me to do any insight on this would be greatly appreciated

This unit is supposed to range from 6-600 rpm but it will not slow down that much at its slowest it probably turns 15-18 times per minute

It could also use a new adjustment knob
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IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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  • Not yet, but I have one that I want to buy in mind!

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