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Product Introduction

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Product Description
This 4ECM-Smart Module PCBA consists of a data collection and processing PCB assembly, and a SemeaTech 4-Series electrochemical (EC) sensor. The PCB assembly in the module collects the data from the gas sensor output, and then processes it with amplification, sampling, filtration, and temperature compensation through a built-in MCU to deliver stable and accurate digital output reflecting the actual target gas concentration. Any of SemeaTech 4-series EC sensors can be used to form a 4ECM-Smart Sensor Module that delivers the signal output through UART bus, which provides a good user experience for quickly integrating gas sensors into the existing systems for a variety of gas detection applications.
Technical Parameters
Product Model 4ECM-Smart
Detectable Gas Types Toxic and harmful gases such as CO, H2S and NO2
Detection Principle Electrochemical
Gas Concentration Range Refer to EC sensor datasheet
Resolution Refer to EC sensor datasheet
Measurement Error < ±5%FS
Operating Voltage (4 ~ 6) VDC
Operating Current ≤ 2 mA @ 5.0 VDC
Output Mode UART (3.3V TTL)
Operating Temperature -20℃ ~ 50℃
Operating Humidity 0% ~ 90%RH non-condensing
Operating Pressure 1 ± 0.1 atm
Storage Temperature -20℃ ~ 60℃
Dimensions Φ 24.2 x 26.8 mm
Weight 10 g