- 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
①
Three-Electrode Constant Potential Technology
Ensures stable measurements by minimizing polarization effects and interference from pH fluctuations, even in dynamic water conditions.
②
Multi-Range Resolution & pH Compensation
Supports resolutions from 0.001 ppm to 0.1 ppm and automatic pH compensation to enhance accuracy in varying water chemistries.
③
Modbus RTU Integration
Pre-configured with default address (0x01) and baud rate (9600 N81), enabling plug-and-play connectivity to industrial automation systems.
④
Robust Design for Harsh Environments
IP68-rated housing and corrosion-resistant electrodes withstand prolonged submersion, high-pressure flows, and temperatures up to 60℃.
⑤
Low Maintenance & Self-Diagnostics
Features automatic zero/slope calibration commands, error code feedback, and optional protective covers to reduce biofouling and manual upkeep.
Application
1
Drinking Water Treatment
Monitor residual chlorine levels in real time to ensure disinfection efficacy and regulatory compliance.
2
Industrial Wastewater Management
Track chlorine concentrations in effluents to meet environmental discharge standards and avoid penalties.
3
Aquaculture Systems
Prevent over-chlorination in fish farms to protect aquatic life and optimize water quality.
4
Swimming Pool & Spa Safety
Maintain safe chlorine levels for public health while avoiding corrosive over-dosing.
5
Smart City Water Networks
Integrate 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 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° |
Frequently Asked Questions
Q: What is the measurement range of the LMS-HCLO100 Residual Chlorine Sensor?
A: The sensor measures residual chlorine within a range of 0 to 20.00 ppm and monitors temperatures between 0 and 50.0℃.
Q: Does the LMS-HCLO100 support pH compensation?
A: Yes, it features an automatic pH compensation function to ensure accurate residual chlorine readings even during pH fluctuations.
Q: What communication protocols are compatible with this sensor?
A: The sensor interface supports RS-485 and the MODBUS RTU protocol, allowing for straightforward integration into industrial automation systems.
Q: What are the primary applications of the Residual Chlorine Sensor?
A: It is widely applied in tap water treatment, swimming pool water quality monitoring, aquaculture systems, industrial wastewater treatment, and smart city water networks.
Q: What is the warranty period for this sensor?
A: The sensor comes with a 12-month warranty period for both the electrode head and the digital board.
Q: Is the sensor suitable for harsh environmental conditions?
A: Yes, it is constructed from durable polymer plastic with an IP68-rated housing, capable of withstanding submersion and temperatures up to 60℃.











