The PS1&PS4-CO-10-MOD series carbon monoxide module combines SGX Sensortech's revolutionary 'Solid Polymer Electrolyte' technology with an advanced printed circuit board. This module offers a stable, high-quality, and cost-effective solution for carbon monoxide detection. Featuring a standard UART digital output, it allows for easy operation without requiring in-depth sensor application knowledge or tedious calibration. Its small size, low cost, long life, fast response, high accuracy, and low power consumption make it ideal for various monitoring applications.
| Specification | Details |
|---|---|
| Models | PS1-CO-10-MOD, PS4-CO-10-MOD |
| Detection Gas | Carbon Monoxide (CO) |
| Detection Range | 0-10 ppm |
| Resolution | 0.001 ppm |
| Lowest Detection Limit | 0.01 ppm |
| Full-scale Accuracy Error | 5% F.S. |
| Warm-up Time (First Power-on in clean air) | < 120 seconds |
| Return Zero Time | < 120 seconds (with 99.999% high purity nitrogen) |
| Response Time (T50) | < 10 seconds |
| Response Time (T90) | < 30 seconds |
| Sensor Expected Life | > 3 years |
| Temperature Measurement Range | -40 ~ 85 |
| Temperature Sensor Relative Error | 0.2 |
| Humidity Measurement Range | 10 ~ 95% RH (non-condensing) |
| Humidity Sensor Relative Error | 2% RH |
| Working Voltage | 3.3-5.5V DC |
| Working Current | < 5 mA |
| Power Consumption | 25 mW @ 5V DC |
| Working Temperature | -40 - 55 |
| Optimal Working Temperature | 20 - 35 |
| Working Humidity | 15-95% RH (Non-condensing) |
| Optimal Working Humidity | 50% RH |
| Working Pressure | Atm 10% |
| Circuit Board Size | 40 x 30 x 5.6 mm |
| Module Size (with PS1 sensor) | 40 x 30 x 12 mm |
| Module Size (with PS4 sensor) | 40 x 30 x 22.45 mm |
| Weight (PS1-CO-10-MOD) | < 15 g |
| Weight (PS4-CO-10-MOD) | < 25 g |
| Warranty | 12 months from the date of shipment |
| Interface | 3.3V UART digital signal (Optional Modbus protocol) |
| Baud Rate | 9600 |
| Data Bits | 8 bits |
| Stop Bits | 1 bit |
| Gas | Formula | Test Concentration | Sensor Reading |
|---|---|---|---|
| Acetylene | C2H2 | 1% vol | 0 ppm |
| Ammonia | NH3 | 50 ppm | 0 ppm |
| Benzene | C6H6 | 0 ppm | 0 ppm |
| Chlorine | CL2 | 0 ppm | 0 ppm |
| Ethanol | C2H6O | 986.5 ppm | 1 ppm |
| Ethylene oxide | C2H4O | 104.2 ppm | 14.4 ppm |
| Formaldehyde | HCHO | 0 ppm | 0 ppm |
| Hydrogen | H2 | 1000 ppm | 500 ppm |
| Hydrogen cyanide | HCN | 0 ppm | 0 ppm |
| Hydrogen sulfide | H2S | 0 ppm | 0 ppm |
| Isobutene | C4H8 | 50 ppm | 0 ppm |
| Methane | CH4 | 50 ppm | 0 ppm |
| Methylene chloride | CH2CL2 | 300 ppm | 0 ppm |
| Nitrogen Dioxide | NO2 | 3% vol | 0 ppm |
| Ozone | O3 | 30 ppm | 10 ppm |
| Sulphur Dioxide | SO2 | 50 ppm | 10 ppm |
The sensor module uses serial communication with the following parameters:
Communication can be in active upload or Q&A mode. The default mode after power-on is Q&A. Commands are available to switch between modes.
Commands include:
Note: Detailed command formats and returned values are provided in the original documentation.