The 0–100 ppm methane (CH₄) gas sensor Module provides a practical solution for integrating methane detection into gas monitoring equipment. The module supports UART digital serial output, allowing convenient connection to controllers, data acquisition systems, and industrial monitoring equipment.
Methane Sensor with 0 to 100ppm Range
- The methane (CH₄) gas sensor module supports a 0–100 ppm methane detection range for low-concentration gas monitoring.
- Built-in temperature compensation helps maintain stable measurement performance under changing environmental temperatures, while the sensor provides excellent linear output.
- The sensor module offers good selectivity for methane, helping reduce interference from other gases.
- The methane(CH₄) gas sensor module provides high sensitivity and resolution for accurate methane concentration monitoring.
High Accuracy and Long-Term Stability
- The methane (CH₄) gas sensor module features low power consumption, making it suitable for compact and continuously operating gas monitoring equipment.
- The methane (CH₄) gas sensor module combines mature gas detection technology with optimized circuit design to provide strong resistance to electrical and environmental interference.
- Designed for stable long-term operation with a durable sensor structure and reliable performance.
Applications
The methane (CH₄) gas sensor is designed for methane concentration monitoring in coal mines, natural gas pipelines, industrial plants, and confined spaces. It is suitable for gas leak detection, environmental monitoring, and industrial safety applications.
Coal Mines
Industrial Plants
Confined Spaces
Natural Gas Pipelines
| Model | SISCO-GS-CH4-SC4 |
| Detectable Gas | Methane (CH₄) |
| Measuring Range | 0–100% |
| Data Output | UART Output (3.3 V Logic Level) |
| Operating Voltage | 4.2–5.5 V |
| Warm-up Time | ≤30 s |
| Response Time | ≤10 s |
| Recovery Time | ≤60 s |
| Resolution | 0.10% |
| Operating Temperature | 0–50°C |
| Operating Humidity | 15–90%RH (Non-condensing) |
| Storage Temperature | −20–55°C |
| Storage Humidity | 15–90%RH (Non-condensing) |
| Service Life | >24 months |
Dimension (unit: mm)
Pin Definitions
| Pin Name | Pin Definition |
| Pin1 | Vin (Voltage Input: 4.2–5.5 V) |
| Pin2 | UART (TXD), 3.3 V Data Output |
| Pin3 | UART (RXD), 3.3 V Data Input |
| Pin4 | GND |
Communication Protocol
1. General Settings
| Parameter | Value |
| Baud Rate | 9600 |
| Data Bits | 8 bits |
| Stop Bits | 1 bit |
| Parity | None |
2. Communication Commands
Transmission frequency: 1 set of data per second, automatically sent. The format is as follows:
| B0 | B1 | B2 | B3 | B4 | B5 | B6 | B7 | B8 |
| Header | Header | CH4 Data | CH4 Data | NC | NC | NC | Module ID | Checksum |
| FF | 86 | 0 | 0 | 0 | 6 | 2 | 3 | XX |
Note: B7: 0 = Oxygen module, 1 = CO module, 2 = H2S module, 3 = CH4 module
Q1: What is the measurement range of the methane (CH4) gas sensor module?
A1: The methane (CH4) gas sensor module has a 0–100 ppm measurement range and is designed for methane concentration monitoring in industrial and environmental applications.
Q2: What output interfaces does the methane gas sensor module support?
A2: The methane gas sensor module provides UART digital serial output for convenient data communication. RS485 output is also available as a customized option for connection to industrial monitoring and control systems.
Q3: Where can the methane gas sensor module be used?
A3: The module is suitable for methane monitoring in mines, confined spaces, industrial environments, and other applications where continuous methane concentration detection is required.
Tips: What are the main advantages of this Methane Gas Sensor Module?
The module features high sensitivity, high resolution, low power consumption, good selectivity, high stability, long service life, temperature compensation, excellent linearity, and strong anti-interference capability, making it suitable for reliable methane gas monitoring.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
What is covered?
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.
What is not covered?
- Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
- Expendable parts.
- Routine cleaning or normal cosmetic and mechanical wear.
- Damage from misuse, abuse or neglect.
- Damage from use of parts other than SISCO approved.
- Damage from use outside the product’s usage or storage parameters.
- Damage from use of parts not sold by SISCO.
- Damage from modification or incorporation into other products.
- Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
- Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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