- 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
0102030405
China Portable RS485 Ammonia Nitrogen (NH4+) Analyzer from Reliable Suppliers & Factory for Water Quality Monitoring
Product Parameters
| Product Name | Ammonia Nitrogen Analyzer |
| Measurement Method | Ionic Electrode |
| Range | 0 ~ 1000 mg/L |
| Accuracy | ±5% F.S. |
| Power | 9–24 VDC (Recommended: 12 VDC) |
| Material | Polymer Plastic |
| Size | 31 mm × 200 mm |
| Working Temperature | 0 – 50 ℃ |
| Cable Length | 5 m, extendable per user requirements |
| Sensor Interface | RS-485, MODBUS Protocol |
Product Features
① Industrial-Grade Durability
Constructed from high-strength polymer plastic, the analyzer resists chemical corrosion (e.g., acids, alkalis) and mechanical wear, ensuring reliable operation in wastewater treatment plants or marine environments.
② Adaptive Calibration System
Supports standard solution calibration with configurable forward/reverse curve algorithms, enabling precision tuning for specialized applications like aquaculture or pharmaceutical wastewater.
③ Electromagnetic Immunity
Isolated power supply design with built-in surge protection minimizes signal distortion, ensuring stable data transmission in complex industrial electromagnetic fields.
④ Multi-Environment Adaptability
Designed for direct installation in surface water monitoring stations, sewage treatment lines, potable water distribution networks, and chemical plant effluent systems.
⑤ Low-TCO Design
Compact structure and anti-fouling surface reduce cleaning frequency, while plug-and-play integration lowers deployment costs for large-scale monitoring networks.
Applications
1 Municipal Wastewater Treatment
Real-time NH4⁺ monitoring to optimize biological treatment processes and ensure compliance with discharge standards (e.g., EPA, EU regulations).
2 Environmental Resource Protection
Continuous tracking of ammonia nitrogen in rivers/lakes to identify pollution sources and support ecosystem restoration projects.
3 Industrial Process Control
In-line monitoring of NH4⁺ in chemical manufacturing, food processing, and metal plating effluents to ensure regulatory compliance.
4 Drinking Water Safety Management
Early detection of ammonia nitrogen in source water to prevent nitrogenous contaminant buildup in potable water systems.
5 Aquaculture Production
Maintain optimal NH4⁺ concentrations in fish farms to promote aquatic health and maximize yields.
6 Agricultural Water Management
Assessment of nutrient runoff from farmlands to support sustainable irrigation practices and water body protection.
More Products
| No. | Picture | Product Name | Model | Range | Accuracy | Resolution |
|---|---|---|---|---|---|---|
| Digital RS485 Water Quality Sensors Technical Data | ||||||
| 1 |  |
DO Sensor | LMS-DO10B | 0–20 mg/L, 0–60 ℃ | ±0.1–0.3 mg/L | 0.01 mg/L |
| 2 |  |
DO Sensor | LMS-DO10C | 0–20 mg/L, 0–60 ℃ | ±0.3 mg/L | 0.01 mg/L |
| 3 |  |
Trace DO Sensor | LMS-TDO100 | 0–2000 ppb, 0–50 ℃ | ±1 ppb | 1 ppb |
| 4 |  |
pH Sensor | LMS-PH100 | 0–14 pH | ±0.02 pH | 0.01 pH |
| 5 | |
ORP Sensor | LMS-ORP100 | ±1000.0 mV | ±0.2 mV | 0.1 mV |
| 6 |  |
EC/TDS Sensor | LMS-TDS102 | CT: 0–9999 uS/cm; 0–100 mS/cm; TDS: 0–10000 ppm | ±2.5% FS | 1 uS/cm, 0.01 mS/cm, 1 ppm |
| 7 |  |
Salinity/EC/TDS Sensor | LMS-SAL104 | Conductivity: 0.1–500 mS/cm; TDS: 0–60000 ppm; Salinity: 0–500.00 ppt | ±1.5% FS | 1 uS/cm, 0.01 mS/cm, 1 ppm, 0.01 ppt |
| 8 |  |
COD Sensor | LMS-COD100 | COD: 0.1–1500 mg/L; TOC: 0.1–750 mg/L; BOD: 0.1–900 mg/L; Turbidity: 0.1–4000 NTU; Temp: 0–50 ℃ | ±5% equiv. KHP; Temp: ±0.5 ℃ | 0.01 mg/L equiv. KHP |
| 9 |  |
TSS Sensor | LMS-TSS100 | 0–50000 mg/L / 0–120000 mg/L | ±10% FS or 10 mg/L | 0.1 mg/L or 1 mg/L |
| 10 |  |
Turbidity Sensor | LMS-TUR10L | 0–100 NTU | ±10% FS or 0.3 NTU | 0.01 NTU |
| 11 | |
Turbidity Sensor | LMS-TUR10H | 0–3000 NTU | ±10% FS or 0.3 NTU | 0.01 NTU |
| 12 |  |
CO₂ Sensor | LMS-CO2100 | 2000 / 10000 / 50000 PPM | ±5% FS | 1 ppm |
| 13 |  |
Ammonia Nitrogen Sensor | LMS-NH4100 | 0–1000 mg/L | ±5% FS | — |
| 14 | |
Ion Selective Sensor | LMS-ION100 | 0–1000 mg/L | ±5% FS | — |
| 15 | |
Oil in Water Sensor | LMS-OIL100 | 0–50 mg/L; 0–5 mg/L | ±3% FS | 0.01 ppm |
| 16 | |
Chlorophyll Sensor | LMS-CHL100 | 0–500 ug/L | ±3% FS | 0.1 ug/L |
| 17 | |
Blue-Green Algae Sensor | LMS-BGA100 | 0–2,000,000 cells/ml | ±3% FS | — |
| 18 |  |
Residual Chlorine Sensor | LMS-HCLO100 | 0–20.00 ppm | ±5% FS | 0.001 / 0.01 ppm |
| 19 |  |
Marine Current Sensor | LMS-Current100 | Temp: −3 to 45 ℃; Velocity: 0–500 cm/s; Direction: 0–359.9° | ±0.05 ℃; ±1 cm/s or ±2%; ±2° | 0.001 ℃; 0.1 cm/s; 0.1° |
| Water Quality Analyzer Equipment | ||||||
| No. | Picture | Product Name | Model | Size | Power | Display Output |
| 20 |  |
Portable DO Analyzer | LMS-PA100 | 100 mm × 204 mm | <0.5 W; 7.5 V, 5 batteries | LCD Display Screen |
| 21 |  |
Multi-parameter Portable Water Analyzer | LMS-PA100P | 220 mm × 120 mm × 100 mm | Rechargeable lithium battery with 220 V DC charging adapter | LCD Display Screen |
| 22 |  |
Multi-parameter Touch-screen Online Analyzer | LMS-OA200T | 180 mm × 230 mm × 100 mm | AC 220 VAC | 7-inch Touch Screen |
Frequently Asked Questions (FAQ)
Q What measurement method does the Ammonia Nitrogen Analyzer use?
The analyzer uses an ionic electrode (ion-selective electrode) method to measure ammonia nitrogen (NH4⁺) concentrations in water. This method provides fast, continuous, and reliable readings across a wide range of 0–1000 mg/L.
Q What is the communication interface supported by this sensor?
The sensor supports RS-485 communication with MODBUS protocol, making it compatible with most industrial PLCs, SCADA systems, and water quality monitoring controllers for seamless data integration.
Q Can the cable length be customized for specific installation requirements?
Yes. The standard cable length is 5 meters, but it can be extended according to user needs to accommodate different installation depths or remote monitoring setups in large-scale water treatment facilities.
Q Is the analyzer suitable for use in harsh industrial environments?
Absolutely. The analyzer is constructed from high-strength polymer plastic that resists chemical corrosion and mechanical wear. Its isolated power supply with built-in surge protection also ensures stable operation in environments with strong electromagnetic interference.
Q What industries and applications is this analyzer designed for?
The analyzer is designed for a wide range of applications including municipal wastewater treatment, river and lake environmental monitoring, industrial effluent control, drinking water safety management, aquaculture, and agricultural water management.
Q How does the adaptive calibration system work?
The analyzer supports standard solution calibration with configurable forward and reverse curve algorithms. This allows operators to fine-tune measurement accuracy for specialized water matrices, such as pharmaceutical wastewater or high-salinity aquaculture water, ensuring reliable and precise NH4⁺ readings.