- 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
High-Accuracy RS485 Ion Selective Sensor for Water Quality Analysis | China Suppliers & Factory
Product Parameters
| Product Name | Ion Selective Sensor |
| Measurement Method | Ionic Electrode |
| Range | 0 ~ 1000 mg/L |
| Accuracy | ±5% F.S. |
| Power | 9–24 VDC (Recommend 12 VDC) |
| Material | Polymer Plastic |
| Size | 31 mm × 200 mm |
| Working Temperature | 0–50 ℃ |
| Cable Length | 5 m, can be extended according to user need |
| Sensor Interface Supports | RS-485, MODBUS Protocol |
Product Features
① Eco-Friendly & Pollution-Resistant Design
Constructed from robust polymer plastic, the sensor resists chemical corrosion and physical wear, making it ideal for harsh industrial or outdoor environments.
② Flexible Calibration Solutions
Supports custom standard liquid calibration with forward and reverse curve adjustments to meet diverse measurement scenarios.
③ Multi-Ion Detection Capability
Compatible with critical ions like NH4+, NO3-, K+, and Ca²+, enabling tailored applications in wastewater treatment, agriculture, and environmental monitoring.
④ Isolated Power Supply & Anti-Interference
Ensures stable data transmission and minimal noise, even in electromagnetically noisy environments.
⑤ Easy Integration & Maintenance
Compact design and direct installation compatibility simplify deployment into existing water quality monitoring systems.
⑥ Wide Application Scope
Performs reliably in surface water, sewage, drinking water, and industrial effluent testing with minimal maintenance.
Application
1. Municipal Wastewater Treatment
Monitor ion concentrations (e.g., ammonium, nitrate) to optimize treatment processes and comply with discharge standards.
2. Environmental Protection
Track pollutants in rivers, lakes, and reservoirs to assess ecological health and pollution sources.
3. Agricultural Water Management
Measure nutrient ions (K+, Ca²+) in irrigation systems to enhance crop yield and soil quality.
4. Industrial Process Control
Ensure precise ion levels in chemical manufacturing, food production, and pharmaceutical processes.
5. Drinking Water Safety
Detect harmful ions in potable water sources to safeguard public health.
6. Aquaculture Systems
Maintain optimal ion balance for aquatic species health and growth.
Digital RS485 Water Quality Sensors Technical Data
| Parameter | Model | Range | Accuracy |
| DO Sensor | LMS-DO10B | 0–20 mg/L, 0–60 ℃ | ±0.1–0.3 mg/L |
| DO Sensor | LMS-DO10C | 0–20 mg/L, 0–60 ℃ | ±0.3 mg/L |
| Trace DO Sensor | LMS-TDO100 | 0–2000 ppb, 0–50 ℃ | ±1 ppb |
| PH Sensor | LMS-PH100 | 0–14 pH | ±0.02 pH |
| ORP Sensor | LMS-ORP100 | ±1000.0 mV | ±0.2 mV |
| EC/TDS Sensor | LMS-TDS102 | CT: 0–9999 uS/cm; 0–100 mS/cm; TDS: 0–10000 ppm |
±2.5% FS |
| Salinity/EC/TDS Sensor | LMS-SAL104 | Conductivity: 0.1–500 mS/cm TDS: 0–60000 ppm Salinity: 0–500.00 ppt |
±1.5% FS |
| 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 Temperature: 0–50 ℃ |
±5% equiv. KHP Temperature: ±0.5 ℃ |
| TSS Sensor | LMS-TSS100 | 0–50000 mg/L / 0–120000 mg/L | ±10% FS or 10 mg/L |
| Turbidity Sensor | LMS-TUR10L | 0–100 NTU | ±10% FS or 0.3 NTU |
| Turbidity Sensor | LMS-TUR10H | 0–3000 NTU | ±10% FS or 0.3 NTU |
| CO2 Sensor | LMS-CO2100 | 2000 PPM / 10000 PPM / 50000 PPM | ±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 | 0–500 ug/L | ±3% FS |
| Blue-Green Algae Sensor | LMS-BGA100 | 0–2,000,000 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° |
Frequently Asked Questions
What ions can the LMS-ION100 Ion Selective Sensor detect?
The LMS-ION100 is compatible with multiple critical ions including ammonium (NH4+), nitrate (NO3-), potassium (K+), and calcium (Ca²+), making it suitable for a wide range of water quality monitoring applications.
What is the measurement range and accuracy of the Ion Selective Sensor?
The sensor offers a measurement range of 0–1000 mg/L with an accuracy of ±5% F.S. (Full Scale), ensuring reliable results across diverse environmental and industrial conditions.
What communication protocol does the Ion Selective Sensor support?
The sensor supports RS-485 interface with MODBUS protocol, enabling seamless integration into existing data acquisition systems, PLCs, and SCADA platforms.
Can the cable length be customized for remote installations?
Yes. The default cable length is 5 meters, but it can be extended according to the user's specific installation requirements, making it suitable for deep tanks, remote monitoring stations, and large-scale facilities.
Is the Ion Selective Sensor suitable for outdoor or harsh environments?
Absolutely. The sensor is constructed from durable polymer plastic, providing excellent resistance to chemical corrosion and physical wear. It operates reliably within a temperature range of 0–50 ℃, making it ideal for both indoor and outdoor deployments.
How is the Ion Selective Sensor calibrated?
The sensor supports custom standard liquid calibration with both forward and reverse curve adjustments. This flexible calibration approach ensures accurate readings across a variety of water matrices and measurement scenarios.