PLC 工控机 嵌入式系统 人机界面 工业以太网 现场总线 变频器 机器视觉 DCS PAC/PLMC SCADA 工业软件 ICS信息安全 应用方案 无线通讯
深圳市昂为电子有限公司
深圳市昂为电子有限公司
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基于热导原理的在线式氢气分析仪，长期稳定应用于钢铁、冶金行业，化学工业以及其他需要分析氢气浓度的领域。该系统反应速度快，低于2秒钟，并且能保持反应速度的稳定。分析系统具有多种版本可选，有机柜式、现场安装的机箱系统，以及具有1区和2区EX防爆等级的成套系统提供。可多量程同时测量并自动切换。
Analytical-/ Operational Data
| Measuring principle | Difference in thermal conductivity (∆λ) of various gases |
| Measured quantity | Concentration of a particular gas component in binary and quasi-binary mixtures. In many applications involving multi-component gases the inherent non-selectivity of the thermal conductivity principle can be minimized using interference correction techniques. Physical interference reduction is sometimes possible with certain applications due to the wide temperature range of the CONTHOS' TC-detector. |
| Measuring ranges | Up to 3 independently configurable, switchable ranges. The reference response of each range is factory linearized (4th-degree polynomial). Suppressed output ranges within the corresponding reference range can be easily configured. Range switching is accomplished manually, automatically and/or externally (via optional digital inputs). lowest range: 0 - 0.5% H2 in N2 or 99.5-99% H2 in N2 (or equivalent ∆λ) largest range: 0 - 99% H2 |
| Response time τ90 | approx. 2 sec. (dependent upon gas flow and analyzer configuration) (integration time configurable) |
| Precision | ≤ 0.5% F.S.O. (typically better than ± 0.2% F.S.O.) |
| Accuracy | better than ± 0.5% F.S.O. (typically better than ± 0.3% F.S.O.) |
| Calibration | Manual: 2-point (offset/span) calibration Option: automatic or semi-automatic calibration in conjunction with the optional digital I/O-board or RS-485 |
| Interference correction | 3 correction channels for static and/or dynamic interference correction (dynamic correc tion only in conjunction with the optional analog inputs or RS-485) One of the prerequisites for dynamic interference correction is the availability of a selective signal, proportional to the particular gas component to be corrected for. The processing of analyzer ranges with a suppressed zero range is not possible. |
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