Berkeman did not say anything about how DMMs measure current. You can read more about them at Wikipedia, using these search terms"īerkeman said that DMMs use ADCs to convert the VOLTAGES into digital numbers. There are a number of different ADC types, and possibly all are used in different versions of DMMs. Yes, DMMs use ADCs to convert the voltages into digital numbers. I will put what berkeman wrote in orange text: " It's a simple issue. In post #27 of the "How does a digital ammeter work? thread, berkeman also responded. current, voltage, resistance, analog or digital, measure a voltage which is then directly displayed or digitised then displayed" Davenn wrote the following: I should have really added this in the previous post, just to make it really clearĪLL meters …. I will put what davenn wrote in green text. On post #21 of my thread "How does a digital ammeters work?", PF member daven responded to me. There seems to be a contradiction between what various PF members have told me about digital multimeters. This makes it worthy of its own separate thread. The two different questions could very well have two totally different answers.
This is a separate issue for 2 reasons: #1 I am asking about digital multimeters, not digital ammeters and 2# I'm asking about how digital multimeters measure conductance, not voltage. The purpose of this thread is to learn how digital multimeters measure conductance, not voltage. Preface to thread: Back in October I created a thread titled "How does a digital ammeter work?" That thread was about how digital ammeters measure current.
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