渗透氢检测方法研究进展
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周欣, 吴大康, 成旭, 扈俊颖, 钟显康
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Research Progress of Detection Techniques for Permeated Hydrogen
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ZHOU Xin, WU Dakang, CHENG Xu, HU Junying, ZHONG Xiankang
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表5 电流型氢传感器参数
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Table 5 Parameter of electrical current hydrogen sensor
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| Name | Sensitivity μA·mg-1·kg | Range / mg·kg-1 | Response time / s | Temperature range / ℃ | Humidity range RH% | Service life a |
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| 4-H2-1000 | 0.02±0.01 | 0-1000 | ≤70 | -20-+50 | 15-90 | 2 | | 4-H2-40000 | 0.007±0.002 | 0-40000 | ≤60 | -20-+50 | 15-90 | 2 | (0-20000) PPM H2 | 0.003±0.002 | 0-20000 | T50：＜10 T90：＜30 | | | >5 | (0-1000) PPM H2 ME3-H2 ME4-H2 | 0.008±0.003 0.01±0.005 0.03±0.01 | 0-1000 0-1000 0-1000 | T50：＜10 T90：＜30 T90：≤90 T90：≤30 | -20-+50 -20-+50 | 15-90 15-90 | >5 2 2 | | ME2-H2 | 0.002±0.001 | 0-30000 | T90：＜30 | -20-+50 | 15-90 | 3 |
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