Brief introduction

The YF8500 detector is a fixed, LCD display gas detector independently developed and designed by Yifan Technology with over ten years of technical experience. The default signal is RS485. The product utilizes the most advanced microelectronics processing technology and is equipped with imported gas sensors from abroad, which can quickly and accurately detect target gases. The product is designed with the highest three protections in the gas detector industry: anti high concentration overload (with self-protection function), anti personnel misoperation (built-in buttons+can restore factory settings), and lightning protection (third level standard). Inherent safety circuit design, equipped with an aluminum alloy explosion-proof shell, can be safely used even in harsh environments.

The YF8500 detector is a gas diffusion type. The detection principle is that when the target gas enters the gas probe section, the internal sensor will immediately emit an induction. Sensors generate a certain electrical signal based on the concentration of gas. After being amplified by the circuit, the signal is processed by the CPU through AD sampling, temperature compensation, and intelligent calculation to output accurate 4-20mA current signals, RS485 communication signals, 0-5V voltage signals, ZIGBEE, NRF, WIFI, GPRS wireless signals, etc. Customers can collect these signals and communicate with Yifan Technology's gas alarm control host PLC、DCS、 The upper computer and other systems are used in conjunction for alarm and data reprocessing. In addition, the product is equipped with one set of relays (switch signal) inside, which can be linked with the control equipment of the fan and solenoid valve to maximize the protection of your life and property safety.

YF8500 detector can also be equipped with sound and light alarm, infrared remote control, pipeline gas cup, pump suction gas cup, etc. according to customer needs. For more information, please consult Yifan Technology customer service.

2、 Product Features

● Intrinsically safe circuit design, safe and reliable;

● Large screen LCD display, capable of 24-hour online monitoring and real-time display of gas concentration;

Imported gas sensors from overseas, with fast response speed, low error rate, and strong anti-interference ability;

More than 200 types of gases, with multiple ranges and signal outputs to choose from;

Powerful sound and light alarm function, with a sound level of over 85dB;

Customers can set alarm points and other functions according to their needs;

● Built in buttons+factory reset function to avoid personnel misoperation;

Equipped with full range temperature compensation and data correction functions, it improves the accuracy and stability of the product;

● 1 set of relay (switch signal) signal output, convenient for linkage with control equipment of fans or solenoid valves;

The alarm point, zero point adjustment, and target point calibration of the detector can be performed through the remote control without opening the cover;

Unique structural design, simple and convenient installation and wiring, saving costs.

Aluminum alloy cast explosion-proof shell, ensuring safety and security;

Explosion proof certificate level: ExdIICT6 Gb

Explosion proof certificate number: CNEx14.1674

● Protection level: IP65

3、 Product parameters

4、 Application location

Petroleum and petrochemical, chemical plants, smelters, steel plants, coal plants, thermal power plants, pharmaceutical research, pharmaceutical production workshops, tobacco companies, environmental monitoring, school research, building construction, fire alarm, sewage treatment, industrial gas process control, boiler rooms, garbage treatment plants, tunnel construction, oil pipelines, gas stations, underground gas pipeline maintenance, indoor air quality testing, safety protection in hazardous areas, aerospace, military equipment monitoring, etc.

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