Blog - Shanghai Chenzhu Instrument CO., LTD.

Anchoring the“ Safety of Machinery ”Standards | Shanghai CHENZHU Strengthens the Safety Boundary with Trustworthiness and Reliability Nov 03 , 2025 In 2025, with the implementation of new mechanical safety standards like GB 17120-2025and GB 20905-2025, which cover 12 types of mainstream equipment including mechanical power presses, hydraulic pres...

When Electrical Equipment Operates in Explosive Hazardous Areas: Shanghai CHENZHU's Explosion-Proof Solutions Oct 27 , 2025 In industrial sectors such as petroleum, chemical engineering, metallurgy, and natural gas, work safety is the top priority. Locations where explosive hazardous substances exist impose clear explosion...

Intrinsic Safety Equipment: The Guardian of Safety in the Photovoltaic Industry Aug 26 , 2025 As the economic system of green, low-carbon, and circular development gradually forms, clean energy technologies such as wind and solar power generation are rapidly gaining popularity. These technolog...

The Importance of Signal Surge Protectors for Lightning Safety of Electronic Systems Aug 21 , 2025 Signal Surge Protector is a type of surge protector, which refers to a lightning protection device that is connected in series in the signal line to limit transient overvoltage and discharge surge cur...

Functions and Applications of Digital Signal Isolators Aug 16 , 2025 Digital signal isolators use the principle of linear optocoupler isolation to convert and output the input signal. It achieves mutual isolation of input, output, and working power supply. It is especi...

Mastering Safety Relay Knowledge Aug 11 , 2025 With the continuous development of the industrial sector, different mechanical equipment and process links carry safety risks. Therefore, incorporating the design of safety relay in the product design...

Complete Guide to SPD Surge Protector Selection and Installation Strategies Aug 06 , 2025 What is SPD?An SPD (Surge Protective Device) contains at least one nonlinear component. When a surge occurs, the SPD can conduct within an extremely short time, discharging the current to the ground. ...

Wind Turbine SPD Lightning Protection Safety Plan Aug 01 , 2025 The size and high-altitude operations of wind turbines make them inherently challenging to handle during construction and maintenance. The main power supply, process control, network and communication...

Differences and Selection of Power SPDs under Different Power Supply Systems Jul 28 , 2025 Due to the different electricity demands in various scenarios, Power SPDs have given rise to various power systems. In addition to single-phase systems, there are TT systems, TN-C systems, TN-S system...

What Is an Isolator Barrier? FAQ Jul 25 , 2025 Isolator Barrier is mainly composed of a loop energy limiting unit, a signal and power isolation unit, and a signal processing unit. It not only has the function of energy limiting but also has isolat...