1. Principles The Coordinate Measuring Machine (CMM) operates on the principle of three-point positioning within a three-dimensional coordinate system. Equipped with a detector capable of moving in three directions along mutually perpendicular guides, it captures coordinate information of points on the surface of the object being measured, either through contact or non-contact methods. By scanning the object’s surface, the detector…
Year: 2024
Comprehensive Guide to Gas Analyzers: Principles, Usage, Maintenance, Repair, and Brands Serviced
I. Introduction Gas analyzers, including online gas analyzers and flue gas analyzers, are process instruments used to measure gas compositions. They find wide applications in industries, environmental protection, and safety monitoring. Leveraging gas sensors, these analyzers detect gas types and concentrations with high sensitivity and precision, ensuring safe usage. Common types of gas analyzers include thermal conductivity, electrochemical, and infrared…
Comprehensive Guide to Fluorescence Analyzer: Usage, Faults, and Repair Methods
I. Overview and Basic Principles of Fluorescence Analyzer A fluorescence analyzer is a precision instrument that utilizes the fluorescence phenomenon of substances under specific excitation conditions to analyze sample composition and properties. When chemical substances in a sample are irradiated by light of a specific wavelength, they absorb energy, transition to a high-energy state, and subsequently return to the ground…
Comprehensive Guide to Fluorescence Analyzer: Operating Procedures, Faults, and Repair Methods
I. Overview and Basic Principles of Fluorescence Analyzer The fluorescence analyzer is a precise instrument that utilizes the fluorescence phenomenon of substances under specific excitation conditions to analyze sample composition and properties. When chemicals in a sample are irradiated by light of a specific wavelength, they absorb energy, transition to a higher energy state, and subsequently return to the ground…
Principle, Brand,Usage, and Fault Maintenance Analysis of Balance Instrument
I. Principle of Balance Instrument The balance instrument is a precision tool used to measure and assess the balance state of objects, finding wide applications in automobile inspection, machinery manufacturing, medical equipment, electronic product design, and more. Its working principle is based on fundamental physics concepts related to force and motion, evaluating and adjusting the balance of objects by detecting…
Dual-Frequency Laser Interferometer: Principles, Usage, Maintenance, Repair, and Brands Overvie
I. Principles of Dual-Frequency Laser Interferometer The dual-frequency laser interferometer, an advanced measurement instrument based on heterodyne interference principles, evolves from the single-frequency laser interferometer. It utilizes two laser beams of different frequencies for interference measurement, achieving high-precision measurement of various physical quantities such as displacement, length, and angle. This instrument finds wide application in precision machining, metrological inspection, and…
Cause Analysis and Solution for FF89 Alarm on ABB VFD ACS800
The ABB ACS800 VFD (Variable Frequency Drive) plays a pivotal role in industrial automation, finding extensive applications across various industrial control systems. However, during operation, it may encounter various alarm messages. Alarm Message: FF89 – MOD CHOKE T (FF89) 09.11 AW 3 bit 13 Cause: Overheating of Reactor in Liquid-Cooled R8i Inverter ModuleThe reactor in the liquid-cooled R8i inverter module…
Ammonia-Nitrogen Analyzer: Principles, Usage, Maintenance, and Brands Overview
I. Principles of Ammonia-Nitrogen Analyzer The ammonia-nitrogen analyzer is an instrument specifically designed to detect ammonia-nitrogen content in water samples. It is widely used in environmental monitoring, drinking water treatment, and wastewater treatment. The analyzer’s working principle is mainly based on chemical reactions and optical measurements. Common measurement methods include the Nessler’s reagent spectrophotometric method and the salicylic acid spectrophotometric…
Comprehensive Guide to Water Quality Analyzers: Principles, Usage, Faults, and Brands
Introduction The water quality analyzer, also known as the water quality detector, is a precision instrument specifically designed to detect and analyze various physical, chemical, and biological parameters in water bodies. It finds wide application in drinking water monitoring, wastewater treatment, environmental protection, and industrial process control, serving as a crucial tool to ensure water quality safety and enhance environmental…
Comprehensive Guide to Mass Spectrometers: Principles, Usage, Maintenance, and Brands Serviced
I. Functional Principle of Mass Spectrometer The mass spectrometer, a highly precise scientific instrument, is primarily used to determine the composition and structure of samples. Its operating principle encompasses the following steps: Sample Ionization: Sample molecules are ionized into positively or negatively charged ions in the ion source. Mass Separation: The generated ions are accelerated and transmitted to the mass…