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4ECM-SMART Module
This 4ECM-Smart Sensor Module consists of a data collection and processing PCB assembly, 4-Series electrochemical (EC) sensor, and a metal enclosure.
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SPECIFICATION
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 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. This module has the function of automatic short-circuit pin. For the zero bias sensor, it can be used stably after 30 minutes of power on. For the sensor with bias voltage, it is recommended that the user power on for more than 24 hours before use.
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 |
DATA SHEET