笔式电导率测试笔系列
HI 98321 | HI 98322 | HI 98331 | HI 983311 | |
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测量范围 | 0 to 3999 μS/cm 0 to 2000 ppm 0.0 to 60.0 °C | 0.00 to 20.00 mS/cm 0.00 to 10.00 ppt 0.0 to 60.0 °C | 0.00 to 4.00 mS/cm (dS/m) 0.0 to 50.0 °C | 0 to 3999 μS/cm; 0 to 2000 ppm; 0.0 to 60.0 °C |
解析度 | 1 μS/cm; 1 ppm; 0.1 °C | 0.01 mS/cm; 0.01 ppt; 0.1 °C | 0.01 mS/cm; 0.1 °C | 1 μS/cm; 1 ppm; 0.1 °C |
精度 | ±2% F.S.; ±0.5 °C | ±0.05 mS/cm (0.00 to 2.00 mS/cm) ±0.30 mS/cm (2.00 to 4.00 mS/cm) ±1 °C | EC/TDS: ±2% F.S.; Temp: ±1 °C | |
校准方法 | 自动识别校准 HI 7031 (1413 μS/cm) | 自动识别校准 HI 7030 (12.88 mS/cm) | 手动一点校准 | |
温度补偿 | -- | -- | -- | 0.5 (HI 983311/5) 0.7 (HI 983311/7) |
TDS 转换因子 | 自动温度补偿 补偿系数β= 0.0 to 2.4%/°C | 自动补偿系数 β=@ 2%/°C | 自动补偿系数 β= 2.1%/°C | |
自动关机 | 8分钟不用后 | -- | -- | |
操作环境 | 0 to 50 °C; RH100% | 0 to 50 °C | 0 to 50 °C; RH100% | |
电池 | 4×1.5V AA | 4×1.5V | 2x 1.5V AAA | |
尺寸/ 重量 | 120×53×81 mm/205 g | 163 x 40 x 26 mm/100 g | 94 x 38 x 440 mm/200 g |