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Measure method | Salicylic acid spectrophotometry |
Monitor element | NH4-N |
Measure range | 0~500mg/L |
Repeatability error | ±5% |
Zero drift | ±5% |
Range drift | ±5% |
linearity | ±10% |
Indication error | ±10% |
Real wastewater comparison experiment | ±10% |
MTBF | ≥720hours/time |
Output port | RS-232, RS-485, 4-20mA |