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| Product Name | QiWei AD-83T Benchtop Ammonia Nitrogen Detector | TongAo TR 6900NH Desktop STIP-scan |
| Product Price | $262.00 | $1493.00 |
| Details | Details | |
| Model comparison | ||
| Type | Single parameter | Single parameter |
| Style | desktop | desktop |
| Detection Principle | Photometric | Photometric |
| Measurement parameters | NH₃-N | NH₃-N |
| Range | PPM Level | Wide Range |
| Accuracy | ±5%FS | ±5%FS |
| Resolution | 0.01 | 0.01 |
| Data Output | USB | |
| IP Rating | ||
| Parameter comparison | ||
| Measurement Range | 0.02-25mg/L | |
| resolution | 0.01mg/L | |
| Repeatability | ≤3% | ≤±5% |
| Linearity | ±（3％FS） | |
| Power supply Voltage | DC 1.5V * 5 AA alkaline dry battery, AC 220V/50Hz/DC7.5V/0.2A Power Adapter, automatic shutdown, AC and DC dual use | |
