Multimeter Usage Mnemonics
Multimeter safety and measurement: verify function and range, avoid changing ranges, zero ohms before resistance tests, follow probe polarity and correct connections.
Measurement & Test Instruments
Common Types of Pressure Gauges
Technical overview of vibration-resistant pressure gauges: types, mounting and structural variants, nominal dial sizes, measurement ranges, accuracy grades and model codes.
Common Faults in Temperature Instruments
Diagnose and repair common faults in industrial temperature measurement: RTD and thermocouple failures, bimetal and pressure thermometers, and control-system troubleshooting.
Open-source Infrared Thermal Imager Project
Open-source MLX90640-based infrared thermal imager project: parts, MCU selection (GD32F103C8T6), display, SPI flash, enclosure and battery for low-cost build.
Why Multiple Slits Matter in Spectrometers
Overview of removable slits in modular spectrometers: how slit size affects optical resolution, throughput, integration time trade-offs for absorbance and fluorescence.
Ripple Voltage Measurement Methods
Guidelines for accurate ripple voltage measurement with an oscilloscope: 20 MHz bandwidth limit, AC coupling, and probe grounding best practices.
What Is an LCR Meter? Structure and Function
Overview of LCR meter operation, structure, and test signals for measuring inductance, capacitance, resistance, and impedance using AC sine-wave methods.
Microcontroller-Based Cable Fault Locator Principles
Overview of cable fault locator principles and microcontroller-controlled designs, covering signal generation, pulse reflection, localization, testing methods and limitations.
Two Methods to Test a LIN Bus
Guide to LIN bus oscilloscope and multimeter measurements: idle DC ≈12V, data pulses 1–12V, and measurement tips noting master-slave command behavior.
Laser Line Parameters for 3D Triangulation Systems
Technical guide to laser triangulation system configuration and laser line parameters, covering geometries, beam uniformity, line width and straightness for precise 3D measurement.
Basic Requirements for Instrumentation Equipment
Technical overview of instrumentation and control systems: instrument classification, measurement errors, units, pressure concepts, PID tuning, alarms, and corrosion protection.
100 Oscilloscope Basics Q&A
Comprehensive oscilloscope Q&A covering probe selection, bandwidth and sampling, triggers, power and noise measurements, differential and high-speed signal techniques for engineers.
