Home › Forums › Mooshimeter Support › Power supplyThis topic has 2 replies, 2 voices, and was last updated 8 years ago by admin.Viewing 2 reply threadsAuthorPosts July 17, 2015 at 8:52 am #4323 Reply TomGuestCan the meter be powered externally? August 17, 2015 at 1:18 pm #4724 Reply AnonymousGuestIt would be nice to power it from USB. November 7, 2015 at 4:19 pm #5622 Reply adminKeymasterHi Tom and Marek,Unfortunately, the meter can not be powered externally. The reason for this is that all external connections must pass the CATIII 600V rating, which requires very substantial and costly electrical isolation.Best ~JamesAuthorPostsViewing 2 reply threadsReply To: Power supplyYour information: Name (required): Mail (will not be published) (required): Website: This site is protected by reCaptcha and the Google Privacy Policy and Terms of Service apply.The reCAPTCHA verification period has expired. Please reload the page. Cancel Submit