4-in-1 Gas Detector Multi-Function Multi-Gas Fixed Hhc Hydrogen Bromide Tetrahydrophene Ethylene Oxide Clh2 Hbr C2h4o C4h8s Detection Alarm

• Customization: Available
• After-sales Service: One-Year Warranty
• Warranty: One-Year Warranty
• Model NO.: YF-8500-4
• Customized: Customized
• Portable: Non Portable
• Certification: FCC, CE, RoHS
• Gas: Clh2 Hbr C2h4o C4h8s
• Type: Electrochemical Gas Analyzer
• Power Input: 12-24V
• Working Power: 1.5W
• Working Temperature: -30ºC ~ 60ºC
• Working Humidity: 0~100%Rh
• Sampling Mode: Diffusion, Pumping, Pipeline
• Transport Package: Carton
• Specification: 23cm*12cm*29.4cm
• Trademark: yifan
• Origin: China
• HS Code: 5302
• Production Capacity: 10000pieces/Year

Product Description

introduce
The YF-8500-4 series is a gas detector designed to detect two types of gases. It is also an explosion-proof fixed type detector for toxic and harmful gases, VOCs, toluene, flammable gases, odorous gases, hydrogen sulfide, oxygen, carbon monoxide, carbon dioxide, flammable gases, hydrogen, methane, ammonia, and other gases. It can be paired with two types of gases at will and can be contacted by sales personnel. The detection principle is that when the target gas enters the gas probe section, 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 accurate 4-20mA signals, RS485 communication signals, ZIGBEE, NRF, WIFI wireless signals, etc. Customers can collect these signals and use them in conjunction with Yifan Technology's gas alarm control host, PLC, DCS, upper computer and other systems for alarm and data processing.
Product Features
1.Modular structure, easy maintenance, simple wiring and installation
2.Intelligent sensor platform, plug and play, no need for on-site calibration
3.High precision brand sensors with fast response, strong anti-interference ability, and long lifespan
4.High quality cast aluminum shell, meeting explosion-proof, waterproof and dustproof requirements, can be used with confidence
5. Can be used in networking with column alarm hosts, matching each point and combining points
6. Plug and unplug air chamber module, no need to disassemble the whole machine, easy to maintain and replace sensors
7. Optional 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

Power input:	12-24V	Span drift:	≤± 1% FS/6h;
Working power:	1.5W	Linear error:	≤± 1% FS;
Sensor types:	electrochemical, catalytic combustion, PID, infrared;	Alarm method:	Sound and light alarm (optional)
Gas types:	Two types of gases can be freely combined (contact sales personnel for specific requirements)	Display screen:	TFT color screen
Sampling methods:	diffusion, pumping, pipeline;	Working temperature:	-30~60 degrees;
Corresponding time:	<10 seconds (T90)	Working humidity:	0~100% RH
Measurement accuracy:	≤± 3% FS;	Output method:	(choose one from three) or contact the sales team 4-20mA signal: Standard 16 bit precision 4-20mA output chip, transmission distance of 1km (only one gas output can be selected)
Resolution:	0.001ppm, 0.01ppm, 0.1ppm, 1ppm, 0.1% LEL, 0.1% VOL, 0.01% VOL (resolution optional)
Repeatability:	≤± 2% FS;		RS485 signal: using standard MODBUS RTU  protocol, transmission distance of 2Km
Zero drift:	≤± 1% FS/6h;
Gas range:	0~10, 0~100, 0~1000, 0~10000ppm (range optional) 0~1% VOL 0~25% VOL 0~50% VOL 0~100% VOL (range optional) Flammable (EX): 0~100% LEL		Switching signal: Standard configuration  includes 2 sets of relays, optional third set of relays, passive contacts, capacity 125VAC/0.3A 30VDC/1A

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