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As a leading manufacturer based in Tianjin, China, Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd is proud to present the Automatic Liquid Chlorine Analyzer and Controller with Remote Monitoring Capability — a precision instrument designed to meet the rigorous demands of water treatment, disinfection, and industrial process control. Our device combines real-time chlorine measurement, intelligent PID control, and advanced remote connectivity, ensuring that you maintain optimal chlorine levels with minimal manual intervention. With years of expertise in manufacturing, we deliver a solution that enhances operational efficiency, reduces chemical waste, and safeguards water quality.
This analyzer is built for continuous online monitoring, utilizing a state-of-the-art amperometric sensor that provides accurate readings even in harsh environments. The integrated controller automatically adjusts dosing pumps or valves based on setpoint values, making it ideal for applications such as swimming pools, drinking water plants, wastewater treatment, and cooling towers. The remote monitoring feature allows you to access real-time data, receive alerts, and adjust parameters from anywhere via a web interface or mobile app, giving you complete control over your disinfection process.
High Accuracy & Stability: The amperometric sensor delivers ±0.01 mg/L resolution, with automatic temperature compensation to ensure reliable readings across varying conditions.
Intelligent Control: Built-in PID algorithm fine-tunes dosage, minimizing overshoot and chemical consumption while maintaining precise chlorine residuals.
Remote Monitoring & Alerts: Connect via Ethernet, Wi-Fi, or optional 4G module to view live data, history logs, and receive alarm notifications (e.g., high/low chlorine, sensor failure, flow loss).
User-Friendly Interface: Large backlit LCD with intuitive menu navigation, supports multiple languages, and allows easy calibration and configuration.
Robust Construction: IP65-rated enclosure protects against dust and water jets, suitable for outdoor or wash-down installations.
Flexible Outputs: 4–20 mA analog output, RS485 Modbus RTU, and relay outputs for remote control and data logging.
Low Maintenance: Self-cleaning electrode option reduces fouling, and sensor replacement is simple without tools.
| Parameter | Specification |
|---|---|
| Measurement Range | 0–20 mg/L (Cl₂) |
| Accuracy | ±0.01 mg/L or ±2% of reading |
| Sample Flow Rate | 0.5–2 L/min (recommended 1 L/min) |
| Operating Temperature | 0–50°C (sensor: 0–45°C) |
| Power Supply | 100–240 VAC, 50/60 Hz, 15W max |
| Output Signals | 2× 4–20 mA (isolated), RS485 Modbus RTU, 2× relay (SPDT, 5A/250VAC) |
| Display | 128×64 pixel backlit LCD, multi-language menu |
| Remote Communication | Ethernet (TCP/IP), Wi-Fi (802.11 b/g/n), optional 4G LTE |
| Enclosure | IP65 (NEMA 4X), polycarbonate with transparent cover |
For customers, the benefits are tangible: reduced chemical costs through precise dosing, improved compliance with regulatory chlorine limits, and lower labor costs thanks to automated control and remote access. The system supports multiple dosing strategies — from simple on/off to advanced proportional control — and can be integrated with existing SCADA or PLC systems via Modbus. Data logging capacity of up to 10,000 records ensures you have a complete audit trail for quality reporting.
ZLN Technology has been serving global markets including North America, South America, Europe, Southeast Asia, Africa, and Oceania, shipping from our Tianjin port. Our factory is equipped with modern testing facilities, and every unit undergoes a 48-hour burn-in test before shipment. We offer a standard 12-month warranty and provide technical support via email, phone, or remote assistance. Over 500 systems have been installed worldwide, with customers reporting up to 30% reduction in chlorine consumption and 99% uptime reliability. Contact us today to request a quote or a free consultation on how our Automatic Liquid Chlorine Analyzer and Controller can optimize your water treatment process.
Frequently Asked Questions
Q: What type of sensor does this analyzer use?
A: It uses a membrane-covered amperometric sensor specifically designed for free chlorine measurement. The sensor is replaceable and has a typical lifespan of 6–12 months depending on operating conditions.Q: Can I monitor chlorine levels remotely without an internet connection?
A: Yes, the device supports local data logging and can be connected to a PC via RS485. For remote monitoring, an internet connection (Ethernet, Wi-Fi, or 4G) is required. We also offer a cloud-based platform for data visualization.Q: How often does the sensor need calibration?
A: Calibration frequency depends on the water quality and usage. Typically, we recommend calibration every 2–4 weeks. The device features a simple one-point or two-point calibration routine using a standard chlorine solution.Q: Is the device suitable for seawater or high-salinity applications?
A: The standard sensor is designed for fresh water (Cl⁻Q: What is the control output for dosing pumps?
A: The controller provides a 4–20 mA analog output that can be used to drive a variable-speed dosing pump or a proportional valve. Additionally, relay outputs can control on/off pumps or solenoid valves.Q: Does the device come with a power cord?
A: Yes, a standard power cord (1.5 m) with a country-specific plug is included. For international orders, we can provide a suitable plug adapter upon request.Q: Can I integrate this analyzer with my existing SCADA system?
A: Absolutely. The analyzer supports Modbus RTU over RS485, making it easy to integrate with most PLCs and SCADA systems. We also provide a communication protocol manual for custom integration.Q: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects. Extended warranty options are available for purchase. Our technical team provides remote troubleshooting and spare parts support.
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