China Yf-8500-H2 Industrial Explosion-Proof H2s Co O2 RS485 Gas Alarm Analyzer Wall-Mounted Fixed Flammable Gas Leak Detector

Product Description

Introduce
      The YF-8500 series fixed detector adopts a diffusion sampling method, and the detection principle is that when the target gas enters the gas sensor, the internal sensor will immediately emit an induction. Sensors generate certain electrical signals 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 gas concentration data. It outputs 4-20mA signals, RS485 communication signals, and can be matched with ZIGBEE, NRF, WIFI wireless signals, etc. Customers can collect these signals and use them in conjunction with gas alarm control host, PLC, DCS, upper computer and other systems to trigger alarms

Product Features
Modular structure, easy maintenance, simple wiring and installation
Intelligent sensor platform, plug and play, no need for on-site calibration
High precision brand sensors with fast response, strong anti-interference ability, and long lifespan
High quality cast aluminum shell, meeting explosion-proof, waterproof and dustproof requirements, can be used with confidence
Can be used in networking with column alarm hosts, matching each point and combining points
Plug and unplug air chamber module, no need to disassemble the whole machine, easy to maintain and replace sensorsOptional IoT module, easy to achieve remote online alarm, data query and other functions
Infrared remote control function, can set alarm points, zero calibration and other functions remotely without opening the cover

Usage occasions
    Petrochemical, chemical plants, smelting plants, steel plants, coal plants, thermal power plants, water plants, pharmaceutical workshops, tobacco companies, atmospheric environment monitoring, scientific research institutions, building construction, fire alarm, sewage treatment, industrial process control, boiler rooms, garbage treatment plants, underground tunnels, oil pipelines, gas stations, underground pipeline maintenance, indoor air quality testing, food processing, sterilization and disinfection, frozen warehouses, pesticide and fertilizer production, insecticide production, etc.

Product Parameters

Power input:	12-24V	Repeatability:	≤± 2% FS;
Working power:	1.2W	Zero drift:	≤± 1% FS/6h;
Sensor type:	electrochemical or PID or catalytic combustion;
Gas types:	HF (300 gas options available)
Sampling methods:	diffusion, pumping, pipeline;
Gas range:	0~10, 0~100, 0~1000, 0~10000ppm (range optional)
Resolution:	0.001ppm, 0.01ppm, 0.1ppm, 1ppm (resolution optional)
Alarm method:	Sound and light alarm (optional) Display screen: LCD display screen or TFT color screen
Measurement accuracy:	≤± 3% FS;	Working temperature:	-20~60 degrees; Working humidity: 0~100% RH (no condensation)
Span drift:	≤± 1% FS/6h;	Output method:	(choose one from three) or contact sales 1.  4-20mA signal: standard 16 bit precision 4-20mA output chip, transmission distance of 1km
Linear error:	≤± 1% FS;		2.  RS485 signal: using standard MODBUS RTU protocol, transmission distance of 2Km
Corresponding time:	<3 seconds (T90)		3.  Switching signal: Standard configuration includes 2 sets of relays, optional third set of relays, passive contacts, capacity 125VAC/0.3A 30VDC/1A

Product Description

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Applicable scenarios

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