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SM01-CH4A

Detection gas:Methane

Sensor type:semiconductor series

Response time:≤10 s

Recovery time:≤10 s

Dimensions:32×25×24mm

Product Introduction:The SM01-CH4A methane sensor module adopts semiconductor sensors and has the basic functions of a household gas leak alarm; it provides digital signals and status indications output by UART, switch signals output by buzzers, relays, and solenoid valves, and supports alarm values. reset.

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The main parametersParameter value
Product number
SM01-CH4A
Detection gas
Methane
Sensor type
Semiconductor series
Response time
≤10 s
Recovery Time
≤10 s
Operating Voltage
DC 4.8V~5.3V
Working current
≤200mA
Measuring range
0~10000PPM/0~20%LEL
Resolution
100PPM
Alarm value
Adjustable (default 4000PPM)
Precision

20℃±2℃;55%±5%RH

±3% LEL

Life expectancy
More than 5 years
Product standard
GB 15322.2
Interface Type

National standard GB 15322.2

1. 8pin pitch 2.0mm pin header, on the opposite side 7pin 2.0mm

pin header 2. 8PIN connector with a pitch of 1.25mm (no welding by default)

Working environment

Temperature: -10 ~ 55 ℃

Humidity: 20% ~ 90% RH

Storage environment


Temperature: -20 ~ 60 ℃

Humidity: 20% ~ 65% RH

Dimensions

32mm×25mm×24mm(L×W×H)

未标题-1

Pin No.NameFunctions
1VCC
   5V module power input
2GND
   Reference place
3CTL1

    Control output 1:

   1.in no alarm and fault state, continuous low level.

    2. In the alarm state, keep high level.

4RXD
   Serial RXD data receiving pin
5TXD
   Serial TXD data sending pin
6CTL2

   Control output 2:

   1.When there is no alarm and failure state, continuous low level.

   2. In the alarm state, keep high level.

7CTL3
   Control output 3, buzzer control: high level buzzer
8CTL4
   Control output 4, fault light control: high level is on, low level is of
9VDD
   Module 3.3V output, output current <100mA
10
IO1
   Alarm light control port: high level lights up, low level lights off
11IO2
   Power light control port: high level lights up, low level lights off
12IO3
   Self-check button input port: low-level button is valid
13IO4
   Reserve
14IO5
   Reserve
15IO6
   NC (Keep floating)
       Order online
    【amazon】:https://www.amazon.co.uk/dp/B09JNPS2XK
    【Aliexpress】:https://www.aliexpress.com/store/2798183  
    【Alibaba】:https://www.alibaba.com  
       For batch order/customized product
    【Sales hotline】:+86-28-61399028 Ext.812  
    【E-mail】:service@cdebyte.com
       Technical support
    【Submit online】:http://www.ebyte.com/en/apple-technology.aspx
    【E-mail】:support@cdebyte.com  
产品
型号
Detection
gas
sensor
type
Response
time
Recovery
Time
Interface
Type
Dimensions Features技术
手册
样品
购买
SM01-CH4A Methane Semiconductor series ≤10 s ≤10 s 1. 8pin 2.0mm pitch pin header, 7pin 2.0mm pin header on the opposite side; 2. 1.25mm 8PIN connector pitch (not soldered by default) 32×25×24mm Small size and fast response speed
  • SM01-CH4A

    产品型号:SM01-CH4A

    Detection gas :Methane

    sensor type :Semiconductor series

    Response time :≤10 s

    Recovery Time :≤10 s

    Interface Type :1. 8pin 2.0mm pitch pin header, 7pin 2.0mm pin header on the opposite side; 2. 1.25mm 8PIN connector pitch (not soldered by default)

    Dimensions :32×25×24mm

    Features:Small size and fast response speed

    PDF :

    购买:

https://www.wjx.cn/jq/84863372.aspx