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| Product Name | YUEFENG SZ8125 Multi-ParaMeter Water Quality Analyzer | TongAo TR 6900NH Desktop STIP-scan |
| Product Price | $877.00 | $1493.00 |
| Details | Details | |
| Model comparison | ||
| Type | Multiparameter | Single parameter |
| Style | Portable | desktop |
| Detection Principle | Photometric | Photometric |
| Measurement parameters | DO NH₃-N Residual Chlorine Heavy Metals | NH₃-N |
| Range | PPM Level | Wide Range |
| Accuracy | ±5%FS | ±5%FS |
| Resolution | 0.001 | 0.01 |
| Data Output | USB | |
| IP Rating | ||
| Parameter comparison | ||
| Measurement parameter | Residual chlorine, chlorine dioxide, compound residual chlorine, Total chlorine, nitrite, dissolved oxygen, ammonia nitrogen, iron, copper | ammonia nitrogen |
| Measurement Range of residual chlorine | 0~2.5mg/L | |
| Measurement Range of chlorine dioxide | 0~5.0mg/L | |
| Measurement Range of compound residual chlorine | 0~2.5mg/L | |
| Measurement Range of Total chlorine | 0~5.0mg/L | |
| Measurement Range of nitrite | 0~0.3mg/L | |
| DO Measurement Range | 0~12mg/L | |
| Measurement Range of ammonia nitrogen | 0~10mg/L | |
| Measurement Range | 0~0.8mg/L | |
| Measurement Range of copper | 0~2.0mg/L | |
| minimum indication | 0.001mg/L | |
| Repeatability | 2% | ≤±5% |
| Indication Error | ±5%F.S | |
