技術ニュース

In backup power systems (UPS), telecommunications, solar energy, or automotive starting systems, 12V batteries are widely used. However, a common mistake among users and even technicians is relying solely on voltage (V) while ignoring the key factor that truly determines discharge capability—the internal resistance.

Choosing and maintaining batteries for electric bikes plays a crucial role in determining both durability and travel range. Today’s market offers a wide variety of battery technologies—from traditional lead-acid batteries to modern lithium-based solutions.

In the transition toward green energy, electric motorbikes are becoming increasingly popular in Vietnam. However, their battery packs tend to degrade or lose capacity over time, leading to inconvenience and even potential safety risks such as overheating or fire hazards.

In the world of precision measurement instruments, Japanese brands have firmly established their leading position thanks to their durability and near-zero error rates. This article provides a detailed comparison of Japanese spirit levels—from materials and sensor technology to practical applications—helping you make an informed purchasing decision.

In precision machining and machine tool installation, controlling levelness and surface flatness is a critical factor that directly affects output quality.

Measuring temperature is not simply about reading a number it is about analyzing an entire thermodynamic system in motion. In practice, even a perfectly calibrated thermometer can produce inaccurate readings if the operator overlooks key thermodynamic variables.

Currently, unstable ammeter readings or fluctuating value display are common problems encountered by many users. Many users mistakenly believe the device is faulty and needs replacement, but the actual cause often lies in the specific current or measurement conditions. Understanding the underlying issues will help avoid inaccuracies in system evaluation and ensure the selection of the appropriate measuring equipment.

When researching anemometers, most inquiries go beyond simply measuring speed. Users often want to know what the device actually measures, the purpose of each parameter, and how to interpret the results accurately.

Measuring wind flow isn't difficult, but arriving at a usable number is another matter entirely. Many people encounter situations where, when measuring the same location multiple times, they get significantly different values.

I-V curve analysis is an in-depth diagnostic method for identifying hardware performance issues. For accurate results, devices like the Fluke Solmetric PVA-1500 compare the measured curve to a standard curve, while automatically adjusting for actual radiation and temperature conditions.