Review of the Supco Redfish IDVM550 and comparison to the Fieldpiece SC680

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I have used the Fieldpiece SC680 extensively, and recently put the Supco Redfish IDVM550 through its paces. I’ve got to say the Redfish was a let down, a complete disappointment. Several times while I was trying to use it, the functions I was trying to use either didn’t work or were useless. #hvac #hvaclife #fieldpiece #SC680 #supco #redfish #idvm550