Title: Design of Full Automatic Digital Multimeter
Abstract: The design of the full automatic digital multimeter circuit is based on the microcontroller unit and the programmable logic device.The function of this type of multimeter is to read the archives and choose the measure range automatically by the physical quantity which is to be measured.And the function is realized using the complex table pens as test probes that are self-developed.This paper not only describes the principle of automatic identification between the direct current and the alternating current,the voltage and the current,and the electric quantity and the non electric quantity,but also it shows you the principle of automatic switch between the measure function and the measure range.In this paper the architecture composition diagram about the multimeter and the design of software and hardware are mainly discussed.The multimeter only has a power switch that can be pressed,a slot for complex table pens and a jack for the general black table pen.And there are no other parts that can be used to input information to the digital multimeter.It can be proved by tests that this multimeter has the advantages of stable performance,high accuracy,simple architecture,convenient use and low cost.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
Access and Citation
Cited By Count: 1
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot