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SA-M201 Series
Intrinsically safe approval & Ex proof certificate
Portable, industry use, high sensitivity and accuracy
Imported high quality sensors
Fully Adjustable High & Low alarm, STEL & TWA alarm
Support data logging function, data records read via USB
GAS in Charge : Click to view the detailed parameters
  • CO2

    Gas detected

    Carbon Dioxide (CO2)

    Measuring range

    (0~5000)ppm, (0~5)%vol, (0~100)%vol

    Resolution ratio

    1ppm / 0.01%vol

    Sensor 

    Infrared Sensor, Made in UK

    Sensor lifetime

    ≥5 year

    Response time

    ≤50s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >16h

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • CO

    Gas detected

    Carbon Monoxide (CO)

    Measuring range

    (0~100)ppm,(0~1000)ppm, (0~10000)ppm

    Resolution ratio

    1ppm

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • O2

    Gas detected

    Oxygen (O2)

    Measuring range

    (0~25)%vol, (0~30)%vol

    Resolution ratio

    0.1%vol

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤35s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • O2 100%

    Gas detected

    Oxygen (O2)

    Measuring range

    (0~100)%vol

    Resolution ratio

    1%vol

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤35s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ



  • H2S

    Gas detected

    Hydrogen Sulphide (H2S)

    Measuring range

    (0~100)ppm,(0~1000)ppm, (0-2000)ppm

    Resolution ratio

    1ppm

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • H2

    Gas detected

    Hydrogen (H2)

    Measuring range

    (0~1000)ppm

    Resolution ratio

    1ppm

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • CH4 IR

    Gas detected

    Methane (CH4 IR)

    Measuring range

    (0~5)%vol, (0~100)%vol

    Resolution ratio

    0.01%vol, 1%vol

    Sensor 

    Infrared Sensor, Made in UK

    Sensor lifetime

    ≥5 year

    Response time

    ≤50s(60s)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >16h

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • NO

    Gas detected

    Nitrogen Monoxide (NO)

    Measuring range

    (0~100)ppm,(0~250)ppm

    Resolution ratio

    1ppm

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • NO2

    Gas detected

    Nitrogen Dioxide (NO2)

    Measuring range

    (0~20)ppm

    Resolution ratio

    1ppm 

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • NH3

    Gas detected

    Ammonia (NH3)

    Measuring range

    (0~100)ppm, (0~1000)ppm

    Resolution ratio

    1ppm

    Sensor 

    Imported Electrochemical Sensor

    Sensor lifetime

    ≥2 year

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • CL2

    Gas detected

    Chlorine (CL2)

    Measuring range

    (0~10)ppm

    Resolution ratio

    1ppm

    Sensor lifetime

    ≥2 year

    Sensor 

    Electrochemical Sensor, Made in UK

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • SO2

    Gas detected

    Sulphur Dioxide (SO2)

    Measuring range

    (0~20)ppm

    Resolution ratio

    0.1ppm

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2 year

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • C2H4O

    Gas detected

    Ethylene Oxide (C2H4O)

    Measuring range

    (0~20)ppm

    Resolution ratio

    0.1ppm

    Sensor 

    Electrochemical Sensor

    Sensor lifetime

    ≥2 years

    Response time

    ≤140s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (1900 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working temperature 

    -25°C~+55°C, short time: -40°C~+55°C

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ

  • HF

    Gas detected

    HF (Hydrogen Fluoride)

    Measuring range

    0-10ppm

    Resolution ratio

    0.1ppm 

    Sensor 

    Electrochemical Sensor, Made in UK

    Sensor lifetime

    ≥2years

    Response time

    ≤100s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Data logging (optional)

    Continuous Data logging (9000 data at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >16h

    Working current

    < 1mA ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ


  • PH3

    Gas detected

    Phosphine(PH3)

    Measuring range

    (0~5)ppm

    Resolution ratio

    1ppm

    Sensor lifetime

    ≥2 year

    Sensor 

    Electrochemical Sensor

    Response time

    ≤45s(T90)

    Alarms

    Audible--buzzer with ≥85dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    High and low, fully adjustable

    Data logging (optional)

    Continuous Data logging(9000 events at 

    configurable 0.1-10 minutes intervals)

    Continuous working time

    >3 months ( without backlight)

    Working temperature 

    -25℃~+55℃, short time: -40℃~+55℃

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/450g

    Ex sign

    ExibdⅠ

  • C2H4

    Gas detected

    Ethylene (C2H4)

    Measuring range

    (0~200)ppm

    Resolution ratio

    1ppm

    Sensor 

    Electrochemical Sensor

    Sensor lifetime

    ≥2 years

    Response time

    ≤140s(T90)

    Alarms

    Audible--buzzer with ≥75dB audible

    Visible--flashing red LED, ≥20m visible

    Alarm point

    Fully adjustable

    Continuous working time

    >3 months ( without backlight)

    Working temperature 

    -25°C~+55°C, short time: -40°C~+55°C

    Display

    Liquid crystal display (LCD)

    Battery model

    PL123450, 3.7V/1500mA

    Charging time

    4-5 hours

    Dust and water resistance

    IP65

    Size & Weight

    105*54*32mm/200g

    Ex sign

    ExibdⅠ


Features:


1. Intrinsically safe device, it can be used in potential explosive environment and has authorized reports.

2. Can be used as any single gas detector, accurate result is guaranteed by advanced calculating method.

3. Support data logging, data records are read via USB and it’s convenient for data recording.(Optional)

4. It remains the same after drop-test, testing result is same accurate. 

5. External pump is available for gas leak detection.

6. Beautiful and compact structure design, mini size.





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