| 型号 | AZ86551 | AZ86552 | AZ86553 | AZ86554 | AZ86555 |
| PH范围 | 0.00~14.00pH | / | 0.00~14.00pH | ||
| PH精度 | ±0.02 | / | ±0.02 | ||
| PH分辨率 | 0.01 | / | 0.01 | ||
| mV范围 | +/-1999mV | / | +/-1999mV | ||
| mV精度 | +/-0.2mV(-199.9~199.9mV) or | / | +/-0.2mV(-199.9~199.9mV) or | ||
| +/-2mV(others) | +/-2mV(others) | ||||
| mV分辨率 | 0.1mV(-199.9~199.9mV) or | / | 0.1mV(-199.9~199.9mV) or | ||
| 1mV(others) | 1mV(others) | ||||
| COND范围 | / | 0~19.99，0~199.9，0~1999uS/cm | |||
| 0~19.99，0~199.9mS/cm | |||||
| COND精度 | / | +/-1%F.S +/-1digit | |||
| COND分辨率 | / | 0.05%of Full Scale | |||
| TDS范围 | / | / | 0~19.99，0~199.9，0~1999ppm | ||
| 0~19.99,0~199.9ppt | |||||
| TDS精度 | / | / | +/-1%F.S +/-1digit | ||
| TDS分辨率 | / | / | 0.05%of Full Scale | ||
| SALT范围 | / | / | 0~11.38ppt；0~80.0ppt(Nacl) | ||
| SALT精度 | / | / | +/-1%F.S +/-1digit | ||
| SALT分辨率 | / | / | 0.1 | ||
| 温度系数 | / | 0~10.0%/℃ | |||
| 温度补偿 | 0~80℃ | 0~80℃ | |||
| 温度精度 | +/-0.5℃ | +/-0.5℃ | |||
| 温度分辨率 | 0.1 | 0.1 | |||
| 兼容探头 | PH | PH ORP | COND | PH ORP COND | PH ORP COND |
| LCD尺寸 | 40H*105W | ||||
| 操作环境 | 0~50℃；80%RH | ||||
| 存储环境 | -20~60℃；90%RH | ||||
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