Hongtu
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| Brand | Hongtu |
|---|---|
| Origin | Shandong, China |
| Model | SP-6802 |
| Detection Limit (as S in H₂S) | 0.01 mg/m³ (Type A, non-conversion) |
| Measurement Range (as S in H₂S, undiluted) | 0.01–50 mg/m³ (extendable to 0.1–500 mg/m³) |
| Repeatability (RMS error) | <5% (n ≥10, certified H₂S standard gas or CS₂ permeation source) |
| Column Temperature Control | Ambient to 100°C ±0.2°C |
| Permeation Source Temperature Control | Ambient to 50°C ±0.1°C |
| Detector Temperature Control | Ambient to 110°C ±1°C |
| Converter Furnace Temperature | Ambient to 900°C ±5°C |
| High-Voltage Power Supply | –400 V to –800 V adjustable |
| Compliance | GB/T 19001–2016 (ISO 9001), GB/T 14001–2016 (ISO 14001) |