The Gastec H-3A Oxygen Sensor serves as a vital component for ensuring workplace safety in industries where oxygen levels must be strictly controlled. Operating as a galvanic cell sensor, this device functions as a self-powered electrochemical cell that generates an electrical current directly proportional to the partial pressure of oxygen in the atmosphere. This reliable detection method provides a linear output that simplifies data processing for automated safety protocols.
As part of the H-3A series, which includes variants such as GOM-3A and GOMHC-3A, this sensor is built for long-term stability and minimal maintenance. The top of the sensor is equipped with a fine green mesh that facilitates uniform gas diffusion while protecting internal components from debris. For technical procurement and safety engineers, the Gastec H-3A Oxygen Sensor offers a high-integrity solution for preventing oxygen deficiency or enrichment in hazardous work areas, ensuring compliance with rigorous industrial safety standards.
The Gastec H-3A Oxygen Sensor is a specialized sensing component engineered for high-accuracy measurement of oxygen concentration levels in industrial environments. This model utilizes proven galvanic cell technology to deliver consistent and reliable performance for life-safety monitoring and atmospheric analysis.
Although, technology is always evolving, one demand on our products never changes: the demand for customer safety. Whenever we contribute to customer safety, we are presented with an opportunity to develop further.
GASTEC holds this corporate creed of safety and development in high esteem, as it strives to grow while always putting customer safety first.
| Feature | Specification |
| Model Number | H-3A |
| Detection Principle | Galvanic Cell |
| Compatible Device | GOMHC-3A |
| Dimensions | $phi$20 x 22 mm |
| Weight | 15g |
| Target Gas | Oxygen ($O_2$) |
| Standard Range | 0.0 – 25.0% |
The Gastec H-3A Oxygen Sensor is specifically designed for:
