Why can the first line pass lightning protection?
The first line uses the copper shaft of the cable to transmit the RF signal, and the shielded mesh layer of the cable is grounded to protect the shielding. The lightning strike is to hit the shielded cable of the cable, so the high voltage will not be transmitted to the circuit board of the device, thereby achieving the function of lightning protection.
In the case of conventional point-to-point transmission, the shielded network also acts as a transmission, so when lightning strikes, high-voltage power is transmitted to the circuit board of the device, causing the device to burn out.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
Portable Peristaltic Pump,
It has the advantages of a peristaltic pump, and a single tube is used alone
without cross-contamination; a wide flow range, reversible forward and reverse operation.Replaceable
charging power, light and portable, flexible operation, can easily cope with stratified sampling, deep water
sampling, sampling of gas samples, high-viscosity liquids, suspended liquid containing tiny particles, etc. It is
especially suitable for field operations.
It has the advantages of a peristaltic pump, and a single tube is used alone
without cross-contamination; a wide flow range, reversible forward and reverse operation.Replaceable
charging power, light and portable, flexible operation, can easily cope with stratified sampling, deep water
sampling, sampling of gas samples, high-viscosity liquids, suspended liquid containing tiny particles, etc. It is
especially suitable for field operations.
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