Features
CH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
- Simultaneously detect 2~5 gases, including toxic gases, commbustible gases and oxygen measurement.
- Intrinsically safe, CE certified, CMExC certified
- Portable, industrial use, higher sensitivity and accuracy
- Imported high quality sensors from UK
- Fully configurable alarm points
- Customized gas combination, private label & logo
Applications
CH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
- Food & Beverage
- Automotive
- LNG & LPG
- Pharmaceutical
- Oil and Gas
- Petrochemical
- Water/waste water Treatment
- Metals & Steel Production
- Power stations

Specifications
CH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
Series | SA-M203Â | Battery | Rechargeable lithium |
Sensor type | Infrared, catalytic, electrochemical | Charging | By AC adapter or 5V USB port |
Sensor lifetime  |
Electrochemical: ≥2 years | Charging time | 4~5 hours |
Backlight | Always ON | ||
Catalytic: ≥1 year | Sampling | Natural diffusion | |
Alarms  |
LED alarm ≥20cm | Continuous working time | >12h |
Buzzer alarm ≥95dB, 30cm |
Working temperature  |
'-25ºC~ +55ºC | |
Low power alarm | Short time: -40~+55ºC | ||
Display | Color LCD/ OLCD | Ex proof | Yes |
LCD reading | Real-time concentration, battery indicator, date | IP degree | IP65 |
Data logging       ( optional) | Continuously data logging (1900 data at 0.1-10 configurable interval) | Size & weight (with package) | 130*66*30mm, 300g |

Display
- OEM & ODM design by Beijing Dashiweiye Tech.
- Manufactured and produced by Beijing Shian Tech.

Accessories
Standard-
- USB extension cord
- Charging adapter
- Calibration mask and tube
- Stainless steel clip
- Hanging cord
- Carrying Holster
- English User's manual

Optional accessories
- Gas sampling pump with filter. (sampling hose and probe.)
- Data logger software, works for Windows 10, Windows XP, Windows 7. Available to output Excel file.
- Carrying suitcase. Hard-sided carrying case with foam case insert.

About Us
Beijing Shi'an Tech Instrument Co., Ltd is grown out of Beiijing Dashiweye Technology Co., Ltd, and it's engaged in designing and manufacturing portable gas detectors.
Design & Moulding with 14 years' experience, we make solidest and most practical products
Stricter quality inspection--we persue higher accuracy
Customization--we customize the exact product in your heartCH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
Features
CH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
- Simultaneously detect 2~5 gases, including toxic gases, commbustible gases and oxygen measurement.
- Intrinsically safe, CE certified, CMExC certified
- Portable, industrial use, higher sensitivity and accuracy
- Imported high quality sensors from UK
- Fully configurable alarm points
- Customized gas combination, private label & logo
Applications
CH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
- Food & Beverage
- Automotive
- LNG & LPG
- Pharmaceutical
- Oil and Gas
- Petrochemical
- Water/waste water Treatment
- Metals & Steel Production
- Power stations

Specifications
CH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
Series | SA-M203Â | Battery | Rechargeable lithium |
Sensor type | Infrared, catalytic, electrochemical | Charging | By AC adapter or 5V USB port |
Sensor lifetime  |
Electrochemical: ≥2 years | Charging time | 4~5 hours |
Backlight | Always ON | ||
Catalytic: ≥1 year | Sampling | Natural diffusion | |
Alarms  |
LED alarm ≥20cm | Continuous working time | >12h |
Buzzer alarm ≥95dB, 30cm |
Working temperature  |
'-25ºC~ +55ºC | |
Low power alarm | Short time: -40~+55ºC | ||
Display | Color LCD/ OLCD | Ex proof | Yes |
LCD reading | Real-time concentration, battery indicator, date | IP degree | IP65 |
Data logging       ( optional) | Continuously data logging (1900 data at 0.1-10 configurable interval) | Size & weight (with package) | 130*66*30mm, 300g |

Display
- OEM & ODM design by Beijing Dashiweiye Tech.
- Manufactured and produced by Beijing Shian Tech.

Accessories
Standard-
- USB extension cord
- Charging adapter
- Calibration mask and tube
- Stainless steel clip
- Hanging cord
- Carrying Holster
- English User's manual

Optional accessories
- Gas sampling pump with filter. (sampling hose and probe.)
- Data logger software, works for Windows 10, Windows XP, Windows 7. Available to output Excel file.
- Carrying suitcase. Hard-sided carrying case with foam case insert.

About Us
Beijing Shi'an Tech Instrument Co., Ltd is grown out of Beiijing Dashiweye Technology Co., Ltd, and it's engaged in designing and manufacturing portable gas detectors.
Design & Moulding with 14 years' experience, we make solidest and most practical products
Stricter quality inspection--we persue higher accuracy
Customization--we customize the exact product in your heartCH4 CO H2S O2 4 gas detector, hand-held portable multi gas detector CD4 coal mine gas detector
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