Blog - Shanghai Chenzhu Instrument CO., LTD.

Why Are Safety Relays Safe? Jun 07 , 2022 Ⅰ. Definition of safety relayA safety relay is a module composed of multiple relays and logic circuits, and is a circuit component unit. Its purpose is to complement each other's defects in fault...

Working Principle of Safety Relay Module Apr 27 , 2022 Ⅰ. Historical context for the development of safety relay modulesWith the rise in safety regulations, safety circuits were added. Machines and equipment have become more complex and powerful as a res...

How Does the Temperature Transmitter Work, Output the Temperature Value and Its Function Apr 13 , 2022 Ⅰ. The working principle of temperature transmitters1. The temperature transmitter uses a thermocouple and an RTD as temperature measuring elements. The output signal from the temperature measuring e...

What You Need to Know About Safety Relays Mar 23 , 2022 1. The status quo and development prospects of safety relaysSafety relays are used to reduce risk: in the event of a fault or intrusion into the detection area, the safety relay responds safely and re...

Application of Surge Protector Device in Urban Gas System Mar 09 , 2022 With the gradual implementation of policies such as energy conservation and emission reduction and coal-to-gas conversion, town gas has developed rapidly and become one of the most critical energy sou...

The Difference Between Surge Protector Device and Arrester Jan 19 , 2022 During the use of the line, a sudden huge amount of energy will be generated due to a short circuit or a lightning strike. Once this energy enters the home or other power lines through the line, it wi...

Why Do Control Systems Need Signal Isolators? Jan 05 , 2022 1. The principle of signal isolatorIn the production process, whether it is a control system or a monitoring system, it may face interference from complex environments, or conditions such as short cir...

The Selection of DC Surge Protection Device Dec 20 , 2021 1. How to choose a DC surge protection device?(1) If stand-alone motors do not require high working conditions, and are simple to operate and control, and shutdowns have little impact on their product...

The Principle and Classification of Safety Barriers Dec 06 , 2021 1. What is an intrinsic safety barrier?Safety barriers are generally used in intrinsic safety systems. Intrinsic safety refers to system explosion-proof technology, which refers to the function of mak...

What Are the Advantages of the Surge Protection Device? Nov 18 , 2021 Ⅰ. Functions of the SPD surge protectorThe surge protector safety inspection instrument is designed to meet the routine and regular rapid detection of surge protectors. It is a new type of special in...