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| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-9020 |
| Output Range | 0.5–50 µg/m³ elemental mercury (Hg⁰) in zero air |
| Permeation Source | Imported temperature-controlled permeation device |
| Temperature Control Accuracy | ±0.1 °C |
| Mass Flow Controllers | High-precision digital MFCs (±1% full scale) |
| Display | 7-inch capacitive touchscreen interface |
| Gas Path | Electropolished stainless steel with passivated internal surfaces |
| Compliance | Designed for ISO/IEC 17025-compliant calibration workflows and EPA Method 29 / ASTM D6784 alignment |
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