Full-range temperature compensation,linear correction;
Calibration before shipment;
UART(TTL) compatible digital interface;
Standard Modbus communication protocol;
Compatible with electrochemical, LEL sensor;
Industry and residential gas monitoring application;
Compact size,long lifespan, excellent stability
M-4S sensor module is a highly integrated sensor module. It features with high performance sensor components, microprocessor, analog-to-digital converter, on-board temperature sensor, and accurate full-range temperature compensation and linear correction. M-4S sensor module adapts the interfaces and packaging of various types of gas sensors, also with both digital and analog voltage outputs. Sensor module is calibrated before shipment, customers can use it without secondary development or calibration. M-4S sensor module is very suitable for portable and fixed gas detection devices and can reduce the equipment development complexity.
| VCC to GND | +3.3~5.5 V |
| Regular Supply Current | ＜2.0mA(depend on sensor type) |
| Operating Temperature | -20~50 ℃ |
| Operating Humidity | 10~95% RH（No Condensation） |
| Operating Pressure | 90~110 kPa |
| Measurement Gas | Oxygen, Toxic gas |
| Measurement Range | Refer to sensor datasheet |
| Resolution | Refer to sensor datasheet |
| Digital Interface | UART(TTL 3.0V) |
| Preheating Time | 30 s,(For biased sensors, 24 hours before use.) |
| Dimension | Ø20mm*18mm |
| Weight | ＜10 g, Refer to sensor datasheet |
| Linearity | Linear |
| Shelf life | 12 months after delivery |
| Service life | 2~5 years, Refer to sensor datasheet |
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