SNE4100B

Main Product

Standard Components

Batch Components

SNE4100B

Fixed-type Catalytic Combustible Gas Detector

Examples of Gas Detection：

Methane
Ethane
Ethylene
Ethanol
Propylene / Propene

Propane
Acetone
Acetaldehyde
Isobutane
etc.

Click for the full list of detectable gases.

Certifications

Technical Parameter

Technical Specifications	Parameter Details
Detection Range / Measuring Range	3%LEL-100%LEL
Detection Principle	Catalytic combustion (poison-resistant)
Detection Method	Diffusion type
Accuracy	＜±2%F.S.
Resolution	1%LE
Repeatability	＜2%
Response Time	T90≤15S
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)
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	0～99%RH/ No condensation
Sensor Lifetime	≥5years
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	145203100mm (WxHxD)
Weight	2,000g (aluminum alloy), 4,187g (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	Chemical Formula	Detection Range	Detection Accuracy	Response Time	V%
Methane	74-82-8	CH₄	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	5.00
Ethane	74-84-0	C₂H₆	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	3.00
Ethylene	74-85-1	C₂H₄	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	2.70
Ethanol	64-17-5	C₂H₆O	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	3.10
Propylene / Propene	75-19-4	C₃H₆	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	2.00
Propane	74-98-6	C₃H₈	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	2.10
Acetone	67-64-1	(CH₃)₂CO	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	2.50
Hydrogen	1333-74-0	H₂	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	4.00
1,3-Butadiene	106-99-0	C₄H₆	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.10
Isobutane	75-28-5	C₄H₁₀-IBT	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.80
n-Butane	106-97-8	C₄H₁₀-NBT	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.90
n-Pentane	109-66-0	C₅H₁₂	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.40
n-Hexane	110-54-3	C₆H₁₄	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.10
n-Heptane	142-82-5	C₇H₁₆	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.00
Ethanol	64-17-5	C₂H₆O	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	3.40
Acetaldehyde	75-07-0	C₂H₄O	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	3.00
Methanol	67-56-1	CH₄O	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	5.50
Benzaldehyde	100-52-7	C₆H₅CH	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.10
Isopropyl alcohol	67-63-0	C₃H₈O	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	2.00
Butanone	78-93-3	C₄H₈O	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.80
Xylene	1330-20-7	C₆H₄(CH₃)₂	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.10
Ethylbenzene	100-41-4	CH₃CH₂C₆H₅	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.00
Ethanol	64-17-5	C₂H₆O	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	1.00
n-Octane	111-65-9	C₈H₁₈	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	0.80
n-Nonane	111-84-2	C₉H₂₀	0-50%LEL，50%LEL~100%LEL，0~100%LEL	1%LEL	T90≤30s	0.80

Paid Components

Sunshade

Video

Nuoan Team Building | Inside Our Industrial Gas Detection Team

Nuoan Gas Detection Laboratory | Precision Testing & Quality Assurance

Gas Detector Manufacturing | Nuoan Factory Production & Assembly Line

GTYQ-SNE4100B Operating Instructions

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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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