- 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 Solutions
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
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1. Municipal Wastewater Treatment
Monitor ion concentrations (e.g., ammonium, nitrate) to optimize treatment processes and comply with discharge standards.
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2. Environmental Protection
Track pollutants in rivers, lakes, and reservoirs to assess ecological health and pollution sources.
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3. Agricultural Water Management
Measure nutrient ions (K⁺, Ca²⁺) in irrigation systems to enhance crop yield and soil quality.
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4. Industrial Process Control
Ensure precise ion levels in chemical manufacturing, food production, and pharmaceutical processes.
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5. Drinking Water Safety
Detect harmful ions in potable water sources to safeguard public health.
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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 (FAQ)
Q
What ions can the LMS-ION100 Ion Selective Sensor detect?
The LMS-ION100 Ion Selective Sensor is compatible with a range of critical ions including ammonium (NH₄⁺), nitrate (NO₃⁻), potassium (K⁺), and calcium (Ca²⁺). This multi-ion detection capability makes it suitable for applications across wastewater treatment, agriculture, and environmental monitoring.
Q
What is the measurement range and accuracy of the Ion Selective Sensor?
The sensor offers a measurement range of 0 to 1000 mg/L with an accuracy of ±5% F.S. (Full Scale). This makes it well-suited for monitoring ion concentrations in both low and high-concentration environments.
Q
What communication protocol does the Ion Selective Sensor support?
The LMS-ION100 supports RS-485 digital communication using the MODBUS protocol. This ensures reliable, long-distance data transmission and easy integration into SCADA systems, PLCs, and other industrial monitoring platforms.
Q
Can the cable length be customized for specific installation requirements?
Yes. The standard cable length is 5 meters, but it can be extended based on user requirements. This flexibility allows the sensor to be deployed in various field conditions without signal degradation.
Q
Is the Ion Selective Sensor suitable for outdoor or harsh industrial environments?
Absolutely. The sensor is constructed from durable polymer plastic that resists chemical corrosion and physical wear. Combined with its isolated power supply and anti-interference design, it performs reliably in electromagnetically noisy, outdoor, and industrial environments.
Q
How does the Ion Selective Sensor support calibration?
The sensor supports flexible calibration using custom standard liquid solutions, with both forward and reverse curve adjustment options. This ensures measurement accuracy is maintained across different water matrices and varying environmental conditions.