Auto-Voltmeter Measurement Tool System

Muhammad Luqmannul Hakim , Ahmad Buhairi (2010) Auto-Voltmeter Measurement Tool System. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

In industry, maintenance routine is compulsory to be done for machines or power station in any factory or office. This is to ensure that the machines or power supply does not have faulty error during any production time or business. If it happen, it will affect the whole company production and cause to money loss and waste of production time. Thus, these will become a problem that need to be solve. As a scenario, during industrial training program that is held for degree students, there is a company conducting a preventive maintenance for uninterruptible power supply (UPS). A voltmeter, is a common item that is use for voltage measurement by maintenance technician. During maintenance routine of UPS, technician need to check the condition of battery backup for UPS system to ensure it does not have faulty error when main power is down. There are several chances of having danger of electrical shock due to a problem while measuring voltage of the backup battery. It is because of narrow space in the battery rack, which is fixed enough for only to place the battery. Thus, there is not enough space for technician to reach the positive and negative battery terminals. Therefore, a project called ’Auto-Voltmeter Measurement Tool System’ were proposed to overcome the problem. The objective of this project is to develop an automatic voltmeter system that can take readings automatically without the needs of technician to take the readings of the backup battery by themselves. This project using the PIC16F877A as a microcontroller to control the meter base and contact point of the auto-voltmeter system. The input is received from readings taken by contact point (meter probe) and the result will be display in LCD for technician record. The project consists of two parts, hardware development and software development. Implementation and works of this project are summarized into the flow chart in this report.

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