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The Working Principle and Classification of Surge Protector Ⅰ. The working principle of surge protection deviceSurge protection device is an indispensable device in lightning protection of electronic equipment. In the past, it was often called "lighting ... More+
Contact Us We have over 24 years experience in design and manufacturer of Automation Safety Interface Products. More+
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Metallurgy CHENZHU independently developed intrinsic Isolated Barrier, signal conditioner, SPD, temperature transmitters and other products long-term protection of the metallurgical industry automation system operation safety, successfully applied to the metallurgical industry, such as blast furnaces, furnaces, sintering, coking, industrial furnaces, heating furnaces, oxygen machines, alumina, copper smelting and other steel and non-ferrous metal smelting and processing processes. More+
CZSR Process Series Safety Relay Since the beginning of the industrial age, examples of critical processes have been common. Safety instrumented systems are most commonly used in process (such as refineries, chemical, nuclear power) facilities to provide protection. More+
GS8500-EX Communication Input Intrinsic Safety Barrier Communication signals input isolated barriers, realize the bi-direction communication between hazardous area and safe area. It also provides an isolated power supply for field instruments. The product needs an independent power supply and galvanic isolation among power supply, input, and output. More+
GS5000-EX Analogue Intrinsic Safety Barrier Loop Power The GS5000-EX stands as a pivotal component in achieving intrinsic safety in critical industrial settings, offering a loop power system that seamlessly integrates with a broad spectrum of analogue dev... More+
Details to Pay Attention to in Signal Isolators Ⅰ. Introduction of signal isolatorsSignal isolator adopts a linear optocoupler isolation principle that converts input signals into output signals. Input, output and working power sources are isolate... More+
Intrinsic Safety Signal SPD-3.5 mm Width SPD for 5V signal; 2 wires; Intrinsic Safety; Thermocouple; RS-485; CAN; Ex ia IIC T6…T4 Ga; C2: 20kV/10kA/line; grounding via the rail directly. More+
Pharmaceutical CHENZHU's safety interface products for the pharmaceutical industry DCS automation control system involving the biochemical process of key industrial equipment or industrial processes, such as fermentation tanks, reactors, extraction tanks, evaporators, etc. allows automation of manufacturing processes. More+
CZSR Smart Series Safety Relay CZSR Smart range is a smart safety controller product that can be flexibly configured with logic, and is suitable for small stand-alone automation equipment. More+
GS8500-EX Frequency Converter Intrinsic Safety Barrier Frequency converter isolated barrier, change the digital input signal in the hazardous area into a proportional free adjustable 0/4~20mA (or 0/1~5V) analog output signal and function as a trip alarm. The product needs an independent power supply and galvanic isolation among power supply, input and output. More+

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