SS2188 是一款电化学式氯化氢（HCl）气体传感器，测量范围为 0–20 ppm，适用于半导体与化工行业中的泄漏检测和 TLV 监控。
SS2188 是一款电化学式氯化氢（HCl）气体传感器，测量范围为 0–20 ppm， 适用于半导体和化工行业中的泄漏检测和 TLV（职业接触限值）监测。
- 测量范围: 0–20 ppm（最大允许：40 ppm）
- 输出信号: 200 ± 50 nA / ppm
- 响应时间: T90 < 50 秒
- 分辨率: <0.5 ppm（典型值）
- 重复性: 信号误差在 ±2% 以内
- 使用寿命: 空气中 ≥24 个月
- 工作温度: -20℃ 至 +50℃
- 低交叉灵敏度: 对 NO、CO、NH₃、SO₂ 等干扰气体的影响较低
| Performance Characteristics | |
|---|---|
| Output Signal | 200±50 nA / ppm |
| Typical Baseline Range (pure air, @ 20°C) | ± 0.5 ppm HCl equivalent |
| Baseline Shift (-20°C ~ +50°C) | < ±2 ppm typical |
| Response Time (T90) | < 60 seconds |
| Filter | None |
| Measurement Range | 0 ~ 20 ppm |
| Maximum Overload | 40 ppm |
| Linearity | Linear |
| Repeatability | < ±2% of signal |
| Recommended Load Resistor | 10 Ω |
| Resolution (Electronics Dependent) | < 0.5 ppm typical |
| Bias Voltage | 0 mV |
| Environmental | |
| Temperature Range Continuous | -20°C to +50°C |
| Pressure Range | 800 to 1200 mbar |
| Operating Humidity Range | 15% to 90% RH |
| Lifetime | |
| Long Term Output Drift | <5% per annum |
| Recommended Storage Temp | 0°C to 20°C |
| Expected Operating Life | > 24 months in air |
| Standard Warranty | 24 months from date of dispatch |
| Intrinsic Safety Data | |
| Maximum at 40 ppm | 10 μA |
| Maximum o/c Voltage | < 1.0 V |
| Maximum s/c Current | < 0.1 A |
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