SLDW5120 Series Online Ammonia Nitrogen Analyzer
When the water sample is mixed with the masking agent, free ammonia or ammonium ions react with the colorimetric reagent (salicylic acid) under alkaline conditions and in the presence of a sensitizer to form a colored complex. The analyzer detects the color change and converts it into an ammonia...
- Product Introduction
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When the water sample is mixed with the masking agent, free ammonia or ammonium ions react with the colorimetric reagent (salicylic acid) under alkaline conditions and in the presence of a sensitizer to form a colored complex. The analyzer detects the color change and converts it into an ammonia nitrogen concentration value for output. A quantitative relationship is established between the amount of the complex formed and the ammonia nitrogen concentration.
| Measurement Performance | Power Supply |
| Measurement Range | 0~2mg/L; |
| 0~10mg/L; | |
| 0~50mg/L; | |
| 0~150mg/L | |
| Accuracy | ≤0.8mg/L: ±0.03mg/L; |
| <0.8mg/L: ±4% | |
| Detection Limit | 0.01mg/L |
| Zero Drift | ±0.02mg/L |
| Span Drift | ±2% FS |
| Repeatability | ≤2.0% |
| Measurement Cycle | Minimum cycle: 15 minutes |
| Calibration | Equipped with online automatic calibration function |
| Standard Sample Verification | Equipped with automatic sample verification function |
| Auto-Cleaning | Automatic cleaning of pipelines after each measurement |
| Reagent Consumption | 0.7 mL per test per reagent |
| Data Storage | Stores 500,000 historical data points (data records for over 10 years) |
| Power Supply Details | - Standard: RS232/RS485, two channels of 4~20mA; |
| - Optional: Wireless IoT interface, interlock control interface | |
| AC Power Supply | 220±22VAC, 50±2.5Hz |
| Instrument Power | Average power: 50W; Peak power: <300W |
| Physical Performance | - Dimensions: 420×600×250mm |
| Environmental Requirements | - Temperature: 5~40°C; Relative humidity: 80% RH (no condensation); |
| - Pressure: -10~2kPa; | |
| - Water flow rate: -1.0~0.5m/s | |
| Data Protection | No data loss during abnormal alarms or power outages |
| Display | Touchscreen display and command input |
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