Industrial Sewage Online Ammonia nitrogen Water Quality Analyzer
Brand Name:JUGE
Certification:IOS9001, CE
Model Number:AG9001
Minimum Order Quantity:1 Unit
Delivery Time:5-8 working days
Payment Terms:Online order,T/T
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Location:
Nanjing China
Address:
2F, BLK A, TAIPING IND PARK, #219 JIANGJUN AVE, JIANGNING DISTRICT, NANJING, CHINA
Supplier`s last login times:
within 39 hours
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Product Details
Industrial Sewage Online Ammonia nitrogen Water Quality Analyzer
>>Overview
Ammonia nitrogen in water refers to ammonia existing in its free form, primarily originating from the decomposition of nitrogenous organic matter in domestic wastewater by microbial activity, industrial effluents such as coking and synthetic ammonia production, and agricultural drainage. Elevated ammonia nitrogen levels in water bodies pose toxic effects on aquatic life and varying degrees of harm to humans. Measuring ammonia nitrogen concentrations aids in assessing water pollution levels and "self-purification" status, making it a critical indicator of water quality contamination.
This analyzer is designed for long-term unattended and automatic continuous operation based on field configurations. It is widely applicable to scenarios including industrial wastewater discharge, municipal sewage treatment plant effluent, and environmental quality surface water monitoring. Depending on the complexity of on-site conditions, optional preprocessing systems can be integrated to ensure reliable testing processes, accurate results, and full compliance with diverse on-site requirements.
>>Principle
The analyzer employs the salicylate colorimetric method. After mixing the water sample with a masking agent, ammonia
nitrogen (existing as free ammonia or ammonium ions) reacts with
salicylate ions and hypochlorite ions under alkaline conditions in
the presence of a sensitizing agent, forming a colored complex. The
analyzer detects this chromatic change, converts it into an ammonia
nitrogen concentration value, and outputs the result. The amount of colored complex formed corresponds to the ammonia
nitrogen concentration.
>>Technical Parameter
| Test Method | Salicylic Acid Spectrophotometric Method |
| Measuring Range | 0~300mg/L (segmented measurement, expandable) |
Indication Error | 20% range standard solution: ≤±10% 50% range standard solution: ≤±8% 80% range standard solution: ≤±5% |
| Quantitative Lower Limit | ≤0.15mg/L |
| Repeatability | ≤2% |
Drift (24h) | Low concentration drift: ≤0.02mg/L High concentration drift: ≤1% |
| Measurement Time | <30min (digestion time adjustable) |
| Measurement Modes | Adjustable time interval, fixed time point, or triggered measurement |
Calibration Modes | Automatic calibration (1~99 days adjustable) Manual calibration based on actual water samples |
Maintenance Cycle |
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| Human-Machine Interface | Touchscreen display and command input |
Self-Diagnosis & Protection | Self-diagnoses operational status; retains data during anomalies/power outages Automatically clears residual reactants and resumes operation after reset/power recovery |
| Data Storage | 5-year data capacity |
| Input Interface | Digital input |
Output Interfaces | 1× RS232, 1× RS485 2× 4~20mA analog outputs |
Operating Environment | Indoor use; recommended temperature: 5~28℃, humidity ≤90% (non-condensing) |
Power Supply | Voltage: AC 220±10% V Frequency: 50±0.5 Hz Power: ≤150W (excluding sampling pump) |
Dimensions | 520H × 370W × 265D (mm) |
Industrial Sewage Online Ammonia nitrogen Water Quality Analyzer
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