Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Detection Gases | CO, H2S, O2, O3, NH3, Benzene, H2 |
| Sensor Type | Electrochemical Probe |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Analog Voltage / UART Digital |
| Response Time | < 30 seconds (T90) |
| Operating Temperature | -20°C to 50°C |
| Storage Temperature | -40°C to 60°C |
| Humidity Range | 15% - 90% RH (Non-condensing) |
| Expected Lifespan | 2 Years in Air |
| Interface Compatibility | Arduino, Raspberry Pi, PLC |
Anonymous
Mar 24, 2026
Rating: 4/5
Good sensitivity, needs warm-up
The sensor detects ozone very quickly. Just remember to let it warm up for about 2 minutes after powering on to get stable baseline readings. Great value for a multi-gas probe.
Anonymous
Mar 21, 2026
Rating: 5/5
Excellent for industrial safety projects
We integrated this module into our custom ventilation monitoring system. The readings for Carbon Monoxide and Hydrogen Sulfide are consistent when compared against our calibrated benchtop units. Setup was straightforward with the provided documentation.
Anonymous
Mar 19, 2026
Rating: 4/5
Solid build quality
The housing feels durable and the connectors are secure. I deducted one star because the initial calibration took a bit longer than expected, but once set, it performs reliably.
Anonymous
Mar 16, 2026
Rating: 3/5
Works well but documentation could be better
The sensor itself works fine for benzene detection, but the pinout diagram in the manual was slightly confusing for the UART mode. Had to contact support to clarify, but they were helpful.
Anonymous
Mar 13, 2026
Rating: 5/5
Perfect for research labs
Using this for environmental chamber testing. The ability to switch between different gas calibration modes via software is a huge plus. It handles ammonia detection without cross-sensitivity issues we faced with cheaper sensors.
Anonymous
Mar 07, 2026
Rating: 5/5
Reliable hydrogen detection
Specifically bought this for hydrogen leak detection in a battery storage project. The response time is impressive, and the analog output scales linearly as advertised.
Q: Is this compatible with 3.3V microcontrollers like ESP32?
A: Yes, the module operates within a 3.3V to 5V range, making it fully compatible with ESP32, Arduino, and Raspberry Pi GPIO pins without needing additional level shifters.
Q: Can this sensor detect all listed gases simultaneously?
A: This specific probe module is typically configured for one primary target gas at a time depending on the internal electrochemical cell installed. Please select the specific variant for your primary gas need or contact us for multi-sensor array options.
Q: How does high humidity affect the readings?
A: The sensor is designed to operate in up to 90% RH non-condensing environments. While extreme humidity may cause minor temporary fluctuations, the internal compensation algorithm stabilizes the output quickly. Condensation should be avoided.
Q: Does the package include calibration gas?
A: No, the package includes the sensor module and connection cables only. Calibration gas cylinders must be purchased separately based on the specific gas you intend to calibrate for.
Q: What is the recommended calibration interval?
A: For optimal accuracy in safety-critical applications, we recommend calibrating the sensor every 6 months. Regular bump tests should be performed monthly to ensure responsiveness.
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