SNE4100B Toxic Gas Detector Oxygen gas detector- Shenzhen Nuoan technology Co., Ltd

Main Product

Standard Components

Batch Components

SNE4100B

Fixed-type Toxic And O₂ Gas Detector

Examples of Gas Detection：

Arbon monoxide
Hydrogen sulfide
Sulfur dioxide
Chlorine
Ammonia

Hydrogen chloride
Oxygen
Hydrogen cyanide
Hydrogen
etc.

Click for the full list of detectable gases.

Simplified Manual

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Quality Assurance & Certifications

Technical Parameter

Technical Specifications	Parameter Details
Detection Principle	Electrochemical, photoionization, infrared absorption, semiconductor
Detection Method	Diffusion type
Accuracy	＜±2% F.S. (refer to sensor specifications simultaneously)
Repeatability	＜2%
Display Mode	LCD display, LED indication
Alarm Mode	LED optical alarm, optional explosion-proof audible and visual alarm (optional purchase)
Adjustment Method	Infrared remote control, magnetic wand
Power Supply	24V DC (15~32V DC)
Power Consumption	≤2W (≤4W with explosion-proof audible and visual alarm)
Output Signal	4~20mA (three-wire) 4~20mA + HART (optional) RS485 Modbus (four-wire) Three relay switch outputs (2A 30V DC) 24V DC output (for driving audible and visual alarm) 4G/5G/NB-IoT/LoRa wireless communication (optional)
Transmission Cable	≤1000m，3(4)×1.5mm²、≤1500m，3(4)×2.5mm²
Electrical Interface	Three interfaces, NPT3/4″(F)×2, M25×1.5 (interface quantity and specifications can be configured as required)
Ambient Temperature	-40℃～+70℃
Relative Humidity	15%~99%RH/ No condensation
Explosion Protection Rating	Ex db lIC T6 Gb Ex tb IIIC T80°C Db
Ingress Protection (IP) Rating	IP66
Enclosure Material	Aluminum alloy / SS316 stainless steel
Dimensions	140203100mm (WxHxD)
Weight	2,000g (aluminum alloy), 4,248g (SS316)

Product Features

– Plug-in intelligent sensor module, easy replacement

– Auto-zero calibration, automatic fault recognition and automatic error indication

– Multiple signal outputs, with HART communication interface, multiple wiring connections

– Infrared remote control or magnetic wand adjustment and calibration, convenient operation

– Dual explosion-proof certification for explosive gas atmospheres and combustible dust atmospheres

Structure & Dimension Diagram

Detectable Gases

Gas Name	CAS号	分子式	检测气体量程(Detection Range)	检测精度（Detection Accuracy）	响应时间(Response Time)
arbon monoxide	630-08-0	CO	0-50/100/1000/2000ppm	0.1/1ppm	T90≤30s
Hydrogen sulfide	7683-06-4	H₂S	0-20/50/100/150ppm	0.1/1ppm	T90≤30s
Sulfur dioxide	7446-09-5	SO₂	0-5/10/20/100ppm	0.1/1ppm	T90≤30s
Chlorine	7782-50-5	Cl₂	0-5/10/20ppm	0.1ppm	T90≤60s
Ammonia	7664-41-7	NH₃	0-50/80/100ppm	0.1/1ppm	T90≤60s
Hydrogen chloride	7647-01-0	HCl	0-10/20/30ppm	0.1ppm	T90≤60s
Oxygen	7782-44-7	O₂	0-25/30/100%VOL	0.1%VOL	T90≤30s
Hydrogen cyanide	74-90-8	HCN	0-10/15/20ppm	0.1ppm	T90≤60s
Hydrogen	1333-74-0	H₂	0-1000/2000/9999ppm	1ppm	T90≤90s
Nitrogen dioxide	10102-44-0	NO₂	0-10/15/20ppm	0.1ppm	T90≤60s
Phosphine	7803-51-2	PH₃	0-1/5/20ppm	0.01/0.1ppm	T90≤60s
Silane	7803-62-5	SiH₄	0-50/100ppm	0.1/1ppm	T90≤90s
Hydrogen fluoride	7664-39-3	HF	0-10ppm	0.01ppm	T90≤60s
Ethylene oxide	75-21-8	CH₂CH₂O	0-20/50/100ppm	0.1/1ppm	T90≤90s
Nitric oxide	10102-43-9	NO	0-10/20/50ppm	0.1ppm	T90≤60s
Acrylonitrile	107-13-1	C₃H₃N	0-50/80ppm	0.1ppm	T90≤90s
Diborane	19287-45-7	B₂H₆	0-1ppm	0.01ppm	T90≤60s
Carbon disulfide	75-15-0	CS2	0-10/20ppm	0.1ppm	T90≤60s
Chlorine dioxide	10049-04-4	ClO₂	0-1/5/10ppm	0.01ppm	T90≤90s
Formaldehyde	50-00-0	CH₂O	0-10ppm	0.01ppm	T90≤30s
Vinyl chloride	75-01-4	CH₂CHCl	0-20/50/100ppm	0.1/1ppm	T90≤60s
Ozone	10028-15-6	O₃	0-1ppm	0.01ppm	T90≤60s
Bromine	7726-95-6	Br₂	0-10ppm	0.01ppm	T90≤60s
Carbon dioxide	124-38-9	CO₂	0-5000ppm 0-1%VOL，0-5%VOL	1ppm/0.05%VOL	T90≤60s

Paid Components

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Address

301, 1401, 1501, 1601, Building C1, No. 459, Qiaokai Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen, China (518107)

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