| | HI 98321 | HI 98322 | HI 98331 | HI 983311 |
 | |  |  |
| 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 |
