Flammable Gas Safety Monitoring Sensor

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TDLAS

NDIR

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Product Recommendation Matrix

Industrial Gas Sensor Product Recommendation Matrix

Model Number	Technology Gas	Dimension	Working Condition (Ensure accuracy)	Measurement Range	Output	Feature Spotlight
Industrial Grade NDIR CH4 Sensor-SJH SJH-A Series	NDIR CH4	￠20mm*19mm	-40~70℃	0~5%Vol 0~100%Vol	UART-TTL Analog output (0.4-2V)	Linearization and factory calibration for accurate digital output Matrix calibration to ensure high accuracy over full temperature Embedded temperature and humidity compensation Innovative high humidity alert mechanism Resistant to cross interference Long lifespan over 15years	Specifications Features Dimension ￠20mm*19mm Working Condition (Ensure accuracy) -40~70℃ Measurement Range 0~5%Vol 0~100%Vol Output UART-TTL Analog output (0.4-2V)
Industrial Grade NDIR CH4 Sensor-SJH SJH-B Series	NDIR CH4	￠20mm*16.6mm	-40~70℃	0~5%Vol 0~100%Vol	UART-TTL Analog output (0.4-2V)	Linearization and factory calibration for accurate digital output Matrix calibration to ensure high accuracy over full temperature Embedded temperature and humidity compensation Innovative high humidity alert mechanism Resistant to cross interference Long lifespan over 15years Compact industrial footprint for easy integration	Specifications Features Dimension ￠20mm*16.6mm Working Condition (Ensure accuracy) -40~70℃ Measurement Range 0~5%Vol 0~100%Vol Output UART-TTL Analog output (0.4-2V)
Industrial Grade NDIR CH4 Sensor-SJH SJH-5B1	NDIR CH4	￠20mm*16.6mm	-40~70℃	0~5%Vol	UART-TTL Analog output (0.4-2V)	Enhanced auto heating mechanism to anti-condense Innovative membrane to improve anti-humidity	Specifications Features Dimension ￠20mm*16.6mm Working Condition (Ensure accuracy) -40~70℃ Measurement Range 0~5%Vol Output UART-TTL Analog output (0.4-2V)
TDLAS CH4 Sensor Gasboard-2500 Gasboard-2500	TDLAS CH4	￠35mm*60mm	-20 ~ 60℃	0~100%LEL	UART-TTL	Narrow absorbing spectrum determine unique selectivity for methane Laser technology to ensure superior accuracy with supper low drift Lasering principle to ensure anti-humidity Extended cable with connector for better integration	Specifications Features Dimension ￠35mm*60mm Working Condition (Ensure accuracy) -20 ~ 60℃ Measurement Range 0~100%LEL Output UART-TTL
Industrial Grade NDIR C3H8 Sensor-SBH SBH-A Series	NDIR C3H8	￠20mm*19mm	-40~70℃	0~100%LEL	UART-TTL Analog output (0.4-2V)	Matrix calibration to ensure high accuracy over full temperature Innovative high humidity alert mechanism Resistant to cross interference Long lifespan over 15years	Specifications Features Dimension ￠20mm*19mm Working Condition (Ensure accuracy) -40~70℃ Measurement Range 0~100%LEL Output UART-TTL Analog output (0.4-2V)
Industrial Grade NDIR C3H8 Sensor-SBH SBH-B Series	NDIR C3H8	￠20mm*16.6mm	-40~70℃	0~100%LEL	UART-TTL Analog output (0.4-2V)	Matrix calibration to ensure high accuracy over full temperature Innovative high humidity alert mechanism Resistant to cross interference Long lifespan over 15years	Specifications Features Dimension ￠20mm*16.6mm Working Condition (Ensure accuracy) -40~70℃ Measurement Range 0~100%LEL Output UART-TTL Analog output (0.4-2V)
Industrial Grade NDIR CH3Br Sensor-SBrH SBrH-5	NDIR CH3Br	￠20mm*19mm	-40~70℃	0~5%Vol	RS232 Analog output (0.4-2V)	Matrix calibration to ensure high accuracy over full temperature Innovative high humidity alert mechanism Resistant to cross interference Long lifespan over 15years Especially design for fumigation application	Specifications Features Dimension ￠20mm*19mm Working Condition (Ensure accuracy) -40~70℃ Measurement Range 0~5%Vol Output RS232 Analog output (0.4-2V)

Flammable Gas Safety Monitoring Sensor

TDLAS CH4 Sensor
Gasboard-2500

Gasboard-2500

Gasboard-2500 is a methane gas sensor based on self-developed Tunable Diode Laser Absorption Spectroscopy(TDLAS) technology.

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Specifications Features

Working principle

Tunable Diode Laser Absorption Spectroscopy (TDLAS)

Measurement range

0~100% LEL

Accuracy

0 ~ 20%LEL ±1%LEL
20~ 60%LEL ±3%LEL
60~ 100%LEL ±5%LEL

Resolution

1% LEL
- 0~100% LEL measurement range (customizable 0~100%vol)
- Super high accuracy over full temperature range
- Fast response T90<25s
- Super stable performance at high humility environment
- TDLAS technique drive high methane selectivity
- Low power consumption
- modularized design for ease integration
TDLAS CH4 Sensor for Fuel Gas Pipeline
Gasboard-2501

Gasboard-2501

Gasboard-2501 series methane sensor is a high-performance gas sensor based on tunable laser absorption spectroscopy technology (TDLAS). Using high-performance probes and special processing gas chambers, Gasboard-2501 TDLAS CH4 sensors have the characteristics of high precision, high sensitivity, long life, stable performance, etc. Also with the temperature compensation algorithm, TDLAS Gasboard-2501 could not be impacted by environment interference, and work stably in harsh working conditions an...

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Specifications Features

Principle

TDLAS

Measurement range

0 ~ 100%LEL (Extandable to 20%vol)

Resolution

0.1%LEL

Accuracy

±5%LEL (±3%LEL optional)
- Measurement range: 0%～100%LEL (extendable to 20%vol)
- High accuracy and sensitivity to methane gas
- Fast response
- Superior anti-cross interference like other gases, water vapour, dust
- Low power consumption
- Modularized design, ease of integration
- Long lifespan over 10 years
TDLAS CH4 Sensor for Ambient Air Methane Detection Gasboard-2502

Gasboard-2502

Gasboard-2502 series methane sensor adopts high-performance probes and special process gas chambers to fulfil high precision and high sensitivity at a low concentration range with ppm level minimal detection limit.

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Specifications Features

Principle

TDLAS

Measurement range

0 ~ 1000ppm

Minimal detection limit

1ppm

Resolution

0.1ppm
- Supper low concentration range 0~1000ppm
- High accuracy and sensitivity to methane gas
- Superior anti-cross interference compared with semiconductor technology
- Fast response to capture minor gas leakage
- Smart power consumption design
- Long lifespan over 10 years
Industrial Grade NDIR CH4 Sensor-SJH

SJH

Cubic NDIR Methane (CH4) Gas Sensor detect CH4 concentration from0-5%/ 0-100%，It's widely used in mine,liquefied gas station and biogas plants

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Specifications Features

Measurement range

0-5% vol, 0-100% vol

Measurement method

NDIR

Accuracy

0～1%: ≤±0.1%vol;
1～5%: ≤±(0.05%+5% of reading);
5%～full range: ≤±10% of reading

Warm-up

<10s
- NDIR technology, with long life and full measurement range
- Meet the explosion-proof grade Ex iaⅡC T4 Ga
- Internal full range temperature compensation
- Diffusion sampling, stable performance
- High precision, high resolution 0.01%
- Small size and fast response
- Antiseptic
- Easy to install and reduce maintenance
- Compatible with digital and analog voltage signal output
Industrial Grade Low Power NDIR Methane Sensor

SJH Series

The miniature methane sensor SJH series is based on NDIR technology with dual beam design, that is superior to semiconductor and catalytic technology, and can detect 0 to 100% methane (CH4) concentration.

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Specifications Features

Measurement Range

0-5% vol, 0-100% vol

Measurement Method

NDIR

Warm-Up

<10s

Response Time

T90＜25s at 20℃
- Low power IR source
- Smart sampling work mechanism
- Low power consumption to 1mA
- Matrix calibration ensure excellent accuracy
- Fast response time (T90＜20s)
- Long life time over 10 years
- Durable stainless-steel enclosure
Residential Fuel Gas CH4 Sensor JW-05

JW-05

JW-05 Residential Fuel Gas CH4 Sensor is a dual-channel CH4 sensor developed based on NDIR technology. It can monitor the environmental CH4 gas leakage in real-time.

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Specifications Features

Detecting principle

Non-dispersive Infrared Technology(NDIR)

Measurement range

0~100% LEL

Accuracy

0%~50%LEL: ±5%LEL;50%~100%LEL: ±10% of reading

Response time

T90≤30s
- Dual-channel detection NDIR technology
- High accuracy and sensitivity to methane gas
- High accuracy over full temperature range
- Long-term stability
- Short recovering time from high-concentration ambient
- Compact and easy to install
- Long lifespan over 10 years
NDIR CH4 Gas Detector with Visual, Audible and App Alarms JT-AM5301

JT-AM5301

JT-AM5301 methane gas alarm is designed to detect the concentration of natural gas leakage for residential and commercial fuel gas leakage alarm.

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Specifications Features

Working Principle

NDIR technology

Alarm Trigger Point

5%LEL~25%LEL adjustable（default setting 10%LEL）

Measurement Range

0%~100%LEL

Response Time

T90<30s
- Dual beam infrared NDIR technology
- Intelligent matrix calibration ensures excellent accuracy over full temperature range
- Resistance to acetic acid and ethanol interference
- Rapid response, no false alarms
- Remote real-time monitoring by self-developed apps
- Historical alarm data storage
- Manual calibration free easy operation
- Long lifetime over 10 years
Industrial Grade NDIR CH3Br Sensor-SBrH

SXH

Cubic NDIR Methyl bromide (CH3Br)Gas Sensor detect CH3Br concentration from 0-5%，It's widely used in CH3Br leakage alarming and gas analysis

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Specifications Features

Measurement range

0~5% vol

Measurement method

NDIR

Accuracy

0-1%: ±0.06%Vol;
1-5%: ±6% of reading

Resolution

0.01%
- NDIR technology, with long life and full measurement range
- Meet the explosion-proof grade Ex ia IIC T4 Ga
- Internal full range temperature compensation
- Diffusion sampling, stable performance
- High precision, high resolution 0.01%
- Small size and fast response
- Antiseptic
- Easy to install and reduce maintenance
- Compatible with digital and analog voltage signal output
Industrial Grade NDIR C3H8 Sensor-SBH

SBH

Cubic NDIR Propane （C3H8） Gas Sensor detect C3H8 concentration from 0-2%/0-75%vol，It's widely used in fuel for engines, oxy-gas torches and portable stoves.

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Specifications Features

Measurement range

0-2%vol, 0-75%vol

Measurement method

NDIR

Signal output

UART_TTL

Analogue output

0.4V-2VDC
- NDIR technology, with long life and full measurement range
- Meet the explosion-proof grade Ex iaⅡC T4 Ga
- Internal full range temperature compensation
- Diffusion sampling, stable performance
- High precision, high resolution 0.01%
- Small size and fast response
- Antiseptic
- Easy to install and reduce maintenance
- Compatible with digital and analog voltage signal output