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| Brand | GASTEC |
|---|---|
| Origin | Japan |
| Model | GASTEC Oxygen Detection Alarm (Portable) |
| Detection Principle | Electrochemical Sensor |
| Operating Range | 0–25% vol O₂ |
| Resolution | 0.1% vol |
| Accuracy | ±0.5% vol (within 15–25% range) |
| Response Time (T90) | <30 s |
| Power Supply | Rechargeable Li-ion battery (up to 2,000 hours continuous operation) |
| IP Rating | IP67 |
| Operating Temperature | −10°C to +50°C |
| Compliance | IEC 61508 SIL 2, JIS T 8201, EN 45544-1, ATEX II 2G Ex ib IIC T4 Gb |
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