Model Number | Technology Gas |
Dimension | Working Condition (Ensure accuracy) |
Measurement Range |
Output | Feature Spotlight |
![]() SRH-A Series |
NDIR CO2 |
¢20mm*19mm
|
-40~70℃
|
0~5000ppm 0~1% Vol 0~2% Vol 0~5% Vol 0~10% Vol 0~20%Vol |
UART-TTL
Analog output
(0.4-2V)
|
Matrix calibration to ensure high accuracy over full temperature |
![]() SRH-B Series |
NDIR CO2 |
¢20mm*16.6mm
|
-40~70℃
|
0~5000ppm 0~1% Vol 0~2% Vol 0~5% Vol 0~10% Vol 0~20%Vol |
UART-TTL
Analog output
(0.4-2V)
|
Matrix calibration to ensure high accuracy over full temperature |
![]() SRH-40 |
NDIR CO2 |
¢20mm*16.6mm
|
-25-55℃
|
0-40%vol |
UART-TTL
|
High concentration range to fit for agricultural application |
![]() ECO-5011 |
Electrochemical CO |
¢13.8mm*50.75mm
|
-20℃~60℃
|
0~10000ppm |
1.5-3nA/ppm
|
Best-in-class cross interference |