Notícias

Guia do testador MPPT solar: Teste de painéis fotovoltaicos de 2000 W
As photovoltaic (PV) modules become more powerful and solar installations grow in complexity, accurate on-site performance testing is increasingly important for installers, EPC contractors, and operation and maintenance (O&M) teams.

Resolução de problemas relacionados com tensões fantasmas e interferências de variadores de frequência (VFD): Como os modos LoZ e LPF lhe poupam tempo
A digital multimeter can show voltage on a disconnected conductor, even when that wire is not connected to an energized source. And when you measure a variable frequency drive (VFD),

O equipamento desliga-se ao arrancar? Como medir com precisão a corrente de arranque
A motor starts, the lights flicker, and the circuit breaker trips—even though the equipment’s running current looks normal. For HVAC technicians and industrial maintenance teams, this can be a frustrating

Como escolher o medidor MPPT adequado para testar os painéis solares do seu sistema fotovoltaico
Choosing a solar panel tester starts with three electrical limits: power, voltage and current. All three must suit the module or circuit you intend to test. A higher wattage figure

Resolução de problemas em painéis solares com um medidor MPPT: 7 problemas comuns em sistemas fotovoltaicos e respetivas soluções
A solar panel producing less power than expected is not necessarily faulty. Changing sunlight, high cell temperature, shading and dirty surfaces can all reduce output. Loose connections or internal module

Medidor MPPT para teste de painéis solares: Como testar a potência de saída real de um painel solar
A solar panel can show a normal voltage reading and still deliver less power than expected. For anyone checking a new module, comparing existing panels or investigating low output, voltage

How to Measure Capacitance and ESR with Smart Tweezers
Smart Tweezers—also known as LCR tweezers or Smart SMD testers—have become indispensable tools in modern electronics testing. They combine the functionality of an LCR meter with a precision tweezer form

What Is a Smart SMD Tester?
A Smart SMD Tester is a compact, tweezer-style LCR testing instrument specifically designed for surface-mount devices (SMDs). By integrating two fine probes into a precision tweezer form factor, it allows

Infrared Thermometer Measurement Principles and Error Sources Explained
Infrared thermometers estimate temperature from a distance, based on the physical relationship between a surface’s thermal radiation and its temperature. Unlike contact sensors, they do not “measure heat directly.” Instead,

Consumer vs Industrial Infrared Thermometers: A Practical Buying Guide
Choosing between a consumer-grade and an industrial-grade infrared thermometer is less about price—and more about using the right tool for the right job. Home kitchens, HVAC checks, and basic inspections

Infrared Thermometers in Medical Screening: Standards & Best Practices
Infrared thermometers are widely used in medical screening as a fast, non-contact way to identify individuals who may have fever. They play a critical role at hospital entrances, outpatient clinics,

How Infrared Thermal Imaging Solves GPU Overheating Issues
In high-intensity GPU workloads—such as crypto mining, workstation rendering, and multi-instance gaming—thermal issues are often the real cause behind instability. Throttling, random crashes, blue screens, or sudden performance drops are
