Hankook Tire has been selected for DJSI World for four …

Hankook Tire has been selected for the fourth consecutive year in the “DJSI World” list, which fully demonstrates its outstanding sustainability. Hankook Tire is the only Auto Parts company in Asia from the DJSI World list. Hankook Tire has achieved outstanding results in corpor ...READING MORE...

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How to reduce the false positive rate of infrared radia…

Infrared detectors are professionally called "beam interception sensing". In addition, it has another name: active infrared detectors. The principle is that infrared rays are emitted by infrared LEDs and focused by spherical lenses. Out, and then received by the optical receiver. Therefo ...READING MORE...

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"Old ox" Cui Shicheng, who is diligent and di…

In the hearts of Chinese people, the old ox is the embodiment of a diligent and hardworking hard-working family. It is a typical example of a loyal and hard-working laborer. It is the banner of a pioneer who is stubborn and tenacious. The spirit of the old ox has always been one of the connot ...READING MORE...

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POE you should know the secret

What is POE power supply? POE (Power Over Ethernet) power supply refers to the technology of transmitting data and DC power for other IP-based terminals without any modification in the existing Ethernet Cat.5 cabling infrastructure. POE power supply, in simple terms, is the power supply of the n ...READING MORE...

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Single crystal silicon pressure transmitter fault check

Monocrystalline Silicon Pressure Transmitter is used to measure the liquid level, density, pressure of liquid, gas or steam, and then convert it into a 4-20mA HART current signal output, also with BST9900, HART375 or BST Modem communicate with each other through them for parameter setting and proces ...READING MORE...

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How does a smoke alarm work?

Before introducing the working principle of the smoke alarm, we first introduce the concept of the smoke alarm, the smoke alarm, nicknamed the fire smoke alarm, smoke sensor, smoke sensor, etc. Generally, independent, physical product battery-powered or AC-powered batteries are used as backup powe ...READING MORE...

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