| 目标浓度 | 理论值 | 实测值 | 平均值 | 示值误差 | ||
| 1 | 2 | 3 | ||||
| 20% | 44.8 | 44.08 | 43.6 | 44.35 | 44.01 | −1.76% |
| 50% | 112 | 111.16 | 112.23 | 112.36 | 111.80 | −0.18% |
| 80% | 179.2 | 179.53 | 179.4 | 180.46 | 179.38 | 0.10% |