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2026-01In the nighttime petrochemical plant, a barely visible abnormal hot spot flickers silently in the gaps between pipes. A metal probe 30 meters away detects this dangerous signal in less than a second, silently transmitting an alarm to the ...
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2026-01When using gas detectors in daily life, the detection range on the LCD label often displays terms like 0-100LEL% or 0-2000ppm, or VOL% or ppm. What do these three units mean, and how are they converted?VOL% (Volume Percentag...
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2026-01In the intricate modern power grid, the stable operation of core equipment such as high-voltage switchgear (GIS) and circuit breakers relies on a medium known as the "golden gas"—sulfur hexafluoride (SF6). Due to its excel...
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2025-12High level and low level are common technical terms in digital circuits. They represent the presence or absence of a signal on a circuit, with no intermediate values. The specific voltage valuesvary depending on the circuit. In simple t...
