- 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-Precision Digital Residual Chlorine Sensor for Water Quality Monitoring - China Suppliers & Factory
Product Parameters
| Product Name | Residual Chlorine Sensor |
| Model | LMS-HCLO100 |
| Range | Residual chlorine meter: 0 – 20.00 ppm Temperature: 0 – 50.0℃ |
| Accuracy | Residual chlorine meter: ±5.0% F.S, supporting pH compensation function Temperature: ±0.5℃ |
| Power | 6VDC – 30VDC |
| Material | Polymer Plastic |
| Warranty Period | Electrode head 12 months / Digital board 12 months |
| Sensor Interface Supports | RS-485, MODBUS protocol |
| Cable Length | 5m, can be extended according to user need |
| Application | Tap water treatment, swimming pool water quality monitoring, and industrial wastewater treatment. |
Product Features
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①Three-Electrode Constant Potential TechnologyEnsures stable measurements by minimizing polarization effects and interference from pH fluctuations, even in dynamic water conditions.
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②Multi-Range Resolution & pH CompensationSupports resolutions from 0.001 ppm to 0.1 ppm and automatic pH compensation to enhance accuracy in varying water chemistries.
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③Modbus RTU IntegrationPre-configured with default address (0x01) and baud rate (9600 N81), enabling plug-and-play connectivity to industrial automation systems.
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④Robust Design for Harsh EnvironmentsIP68-rated housing and corrosion-resistant electrodes withstand prolonged submersion, high-pressure flows, and temperatures up to 60℃.
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⑤Low Maintenance & Self-DiagnosticsFeatures automatic zero/slope calibration commands, error code feedback, and optional protective covers to reduce biofouling and manual upkeep.
Application
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💧1. Drinking Water TreatmentMonitor residual chlorine levels in real time to ensure disinfection efficacy and regulatory compliance.
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🏭2. Industrial Wastewater ManagementTrack chlorine concentrations in effluents to meet environmental discharge standards and avoid penalties.
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🐟3. Aquaculture SystemsPrevent over-chlorination in fish farms to protect aquatic life and optimize water quality.
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🏊4. Swimming Pool & Spa SafetyMaintain safe chlorine levels for public health while avoiding corrosive over-dosing.
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🌐5. Smart City Water NetworksIntegrate into IoT-based water quality monitoring systems for urban infrastructure management.
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: 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 | 0–2,000,000 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 is the measurement range of the LMS-HCLO100 Residual Chlorine Sensor?
A The LMS-HCLO100 measures residual chlorine in the range of 0–20.00 ppm and temperature in the range of 0–50.0℃, making it suitable for a wide variety of water treatment applications.
Q What communication protocol does the residual chlorine sensor support?
A The sensor supports RS-485 interface with Modbus RTU protocol (default address 0x01, baud rate 9600 N81), enabling seamless integration with industrial automation and IoT systems.
Q Is the LMS-HCLO100 suitable for outdoor or submerged installation?
A Yes. The sensor features an IP68-rated housing with corrosion-resistant electrodes, making it capable of prolonged submersion, resistance to high-pressure flows, and operation in temperatures up to 60℃.
Q How does the sensor handle pH interference in measurements?
A The LMS-HCLO100 uses three-electrode constant potential technology and supports automatic pH compensation, which minimizes the impact of pH fluctuations and ensures accurate residual chlorine readings across varying water chemistries.
Q What maintenance is required for the residual chlorine sensor?
A The sensor is designed for low maintenance with automatic zero/slope calibration commands and built-in self-diagnostic error code feedback. Optional protective covers are also available to reduce biofouling and minimize manual upkeep.
Q Can the cable length be customized for specific installation requirements?
A The standard cable length is 5 meters, but it can be extended according to the user's specific needs, providing flexibility for various installation environments such as deep tanks, remote pipelines, or large treatment facilities.