- Multi-parameter Water Analyzer
- Single-Parameter Water Aalyzer
- DO Sensor
- Trace DO Sensor
- CO₂ Sensor
- COD Sensor
- EC TDS Sensor
- Salinity EC TDS Sensor
- TSS Sensor
- Turbidity Sensor
- PH Sensor
- ORP
- Ion Selective Sensor
- Ammonia Nitrogen Sensor
- Oil in Water Sensor
- Blue-Green Algae Sensor
- Chlorophyll Sensor
- Residual Chlorine Sensor
- Marine Current Sensor
01
High-Accuracy Industrial Digital RS485 Ammonia Nitrogen (NH4+) Sensor for Water Quality Monitoring
Product Paramenters
| Product Name | Ammonia Nitrogen (NH4+) Sensor |
| Measurement method | Ionic electrode |
| Range | 0 ~ 1000 mg/L |
| Accuracy | ±5%F.S. |
| Power | 9-24VDC（Recommend12 VDC） |
| Material | Polymer Plastic |
| Size | 31mm*200mm |
| Working Temperature | 0-50℃ |
| Cable length | 5m, can be extended according to user need |
| Sensor Interface Supports | RS-485, MODBUS protocol |
Product Features
① Eco-Friendly & Robust Design
Constructed from durable polymer plastic, the sensor resists chemical corrosion and physical wear, ensuring longevity in demanding environments such as wastewater plants or outdoor water bodies.
② Custom Calibration Flexibility
Supports standard liquid calibration with adjustable forward and reverse curves, enabling tailored accuracy for specific applications.
③ High Stability & Anti-Interference
Isolated power supply design minimizes electrical noise and ensures reliable data transmission in industrial or electromagnetically complex settings.
④ Multi-Scenario Compatibility
Designed for direct installation into monitoring systems, it performs reliably in surface water, sewage, potable water, and industrial effluents.
⑤ Low Maintenance & Easy Integration
Compact dimensions and a pollution-resistant structure simplify deployment and reduce cleaning frequency, lowering operational costs.
Application
1. Municipal Wastewater Treatment
Monitor NH4+ levels to optimize treatment processes and comply with environmental discharge regulations.
2. Environmental Pollution Control
Track ammonia nitrogen concentrations in rivers, lakes, and reservoirs to identify contamination sources and protect ecosystems.
3. Industrial Effluent Monitoring
Ensure compliance with industrial wastewater standards by detecting NH4+ in real-time during chemical or manufacturing processes.
4. Drinking Water Safety
Safeguard public health by identifying harmful ammonia nitrogen levels in potable water sources.
5. Aquaculture Management
Maintain optimal water quality for aquatic species by balancing NH4+ concentrations in fish farms or hatcheries.
6. Agricultural Runoff Analysis
Assess nutrient runoff impacts on water bodies to improve sustainable farming practices.
Digital RS485 water quality sensors technical data
| Parameter | Model | Range | Accuracy |
| DO sensor | LMS-DO10B | 0-20mg/L, 0-60℃ | ±0.1-0.3mg/L |
| DO sensor | LMS-DO10C | 0-20mg/L, 0-60℃ | ±0.3mg/L |
| Trace DO sensor | LMS-TDO100 | 0-2000ppb, 0-50℃ | ±1ppb |
| PH sensor | LMS-PH100 | 0-14pH | ±0.02pH |
| ORP sensor | LMS-ORP100 | ±1000.0 mV | ±0.2 mV |
| EC/TDS sensor | LMS-TDS102 | CT: 0-9999uS/cm; 0-100mS/cm;
TDS: 0-10000ppm |
±2.5%FS |
| Salinity/EC/TDS sensor | LMS-SAL104 | Conductivity: 0.1-500 mS/cm TDS:0-60000ppm Salinity: 0-500.00ppt |
±1.5%FS |
| COD sensor | LMS-COD100 | COD:0.1-1500mg/L
TOC:0.1-750mg/L BOD:0.1-900mg/L Turbidity: 0.1-4000NTU Temperature range: 0-50 ℃ |
±5% equiv.KHP Temperature: ± 0.5 ℃ |
| TSS sensor | LMS-TSS100 | 0-50000mg/L/ 0-120000mg/L | ±10%FS or 10 mg/L |
| Turbidity sensor | LMS-TUR10L | 0-100NTU | ±10%FS or 0.3 NTU |
| Turbidity sensor | LMS-TUR10H | 0-3000NTU | ±10%FS or 0.3 NTU |
| CO2 sensor | LMS-CO2100 | 2000PPM/10000PPM/50000PPM | ±5%FS |
| Ammonia Nitrogen sensor | LMS-NH4100 | 0-1000 mg/L | ±5%FS |
| Ion Selective sensor | LMS-ION100 | 0-1000 mg/L | ±5%FS |
| Oil in Water sensor | LMS-OIL100 | 0-50 mg/L ; 0-5 mg/L | ±3%FS |
| Chlorophyll sensor | LMS-CHL100 | 0-500ug/L | ±3%FS |
| Blue-Green Algae sensor | LMS-BGA100 | 0-2000,000 cells/ml | ±3%FS |
| Residual Chlorine sensor | LMS-HCLO100 | 0 - 20.00 ppm | ±5%FS |
| Marine Current sensor | LMS-Current100 | Temperature: -3℃ - 45℃
Velocity of flow: 0-500 cm/s Flow direction: 0-359.9° |
±0.05℃ ±1 cm/s or ±2% ±2° |
