Construction of a microcumputer-based reaction-rate ratemeter

Area of Science:

• * Instrumentation and Measurement
• * Computer Engineering
• * Chemical Kinetics

Background:

• * Traditional ratemeters often lack precision and digital integration.
• * Advancements in microcomputer technology enable more sophisticated measurement tools.

Purpose of the Study:

• * To design and construct a digital ratemeter utilizing the KIM-1 single-board microcomputer.
• * To implement a software-based fixed-time computation method for reaction rate calculation.
• * To compare the performance characteristics of the new digital ratemeter with existing analog systems.

Main Methods:

• * Integration of a KIM-1 microcomputer for data processing and control.
• * Digitization of reaction monitor signals using a voltage-frequency converter.
• * Development of software for fixed-time computation and binary-to-decimal conversion.

Main Results:

• * Successful implementation of a digital ratemeter with data storage in computer memory.
• * Accurate reaction rate calculation through software-based fixed-time computation.
• * Decimal output achieved via a unique software-hardware binary conversion method.

Conclusions:

• * The KIM-1 based digital ratemeter provides a viable and potentially more accurate alternative to older designs.
• * The software-driven approach offers flexibility and precision in reaction rate monitoring.
• * The developed system demonstrates the utility of microcomputers in scientific instrumentation.