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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | TCA-51d / TCA-51p |
| Explosion Protection | Ex d IIB+H2 T4 / Ex px d IIC T4X |
| Detection Principle | Thermal Conductivity |
| Measurands | H₂, O₂ |
| Range | 0–10 to 0–100 vol% (H₂), 0–5 to 0–25 vol% (O₂) |
| Repeatability | ±0.5% F.S. (standard range) |
| Linearity | ±1.0% F.S. |
| Zero Drift | ±1.0% F.S./week (standard range) |
| Span Drift | ±2.0% F.S./week (standard range) |
| Response Time (T90) | ≤20 s |
| Sample Flow Rate | 300–1500 mL/min |
| Operating Pressure | ≥1.98 kPa (TCA-51d), ≥14.7 kPa (TCA-51p) |
| Wetted Materials | SUS304, SUS316, FKM, Pt, Au, SiO₂, Borosilicate Glass |
| Compliance | IEC 60079-0, IEC 60079-1 (Ex d), IEC 60079-2 (Ex p), ATEX Directive 2014/34/EU, UKCA |
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