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Help CenterCL3436 Chlorine Residual Transmitter Isolated 4-20mA & RS485 for Drinking Water/Water Treatment
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Product Description:
The CL3436 Chlorine Residual Transmitter is a high-performance online monitoring solution designed for accurate and reliable chlorine level detection across diverse industrial and commercial applications. Engineered with modular and compact design, this transmitter integrates advanced measurement technology to meet the strict requirements of water treatment, chemical processing, swimming pool maintenance, and drinking water safety. Its flexible power supply range, isolated signal outputs, and automatic temperature compensation ensure consistent performance in both indoor industrial settings and challenging field environments. Whether you need to monitor chlorine residuals in drinking water pipelines or control disinfection processes in chemical plants, the CL3436 delivers precise data to support informed decision-making and process optimization.
Key Product Features & Customer Benefits
Multi-range Measurement: Offers three selectable measurement ranges (0~2.000 ppm-mg/l, 0~20.00 ppm-mg/l, 0~200.0 ppm-mg/l) to adapt to different chlorine concentration monitoring needs, from low-level drinking water testing to high-concentration industrial processes.
Dual Isolated Outputs: Equipped with isolated 4-20mA two-wire current output and RS485 communication interface with Modbus (function 03) protocol, ensuring stable data transmission without interference and seamless integration with PLCs, DCS, and data logging systems.
Intelligent Temperature Compensation: Compatible with Pt100 RTD temperature probes, providing automatic temperature compensation. Operators can also set temperature coefficients and reference temperatures manually, with real-time temperature display for enhanced measurement accuracy.
Compact & Modular Design: With dimensions of 71x95x58 mm and 4-unit rail mounting, the transmitter saves valuable panel space and simplifies installation in crowded control cabinets or field instrument racks.
Wide Power Supply Adaptability: Operates on 9~36 Vdc power, making it suitable for various power configurations in industrial sites, remote monitoring stations, and mobile testing setups.
EMC/RFI Compliance: Adheres to EN 61326 standards, ensuring resistance to electromagnetic and radio frequency interference for reliable performance in complex industrial environments.
Technical Specifications
| Parameter | Details |
| Measurement Range | 0~2.000 ppm-mg/l, 0~20.00 ppm-mg/l, 0~200.0 ppm-mg/l |
| Temperature Measurement Range | -10.0~110.0 °C / 14.0~230.0 °F |
| Power Supply | 9~36 Vdc |
| Analog Output | Isolated 4-20mA, two-wire system |
| Communication Interface | RS485 (isolated), Modbus function 03 |
| Dimensions | 71x95x58 mm |
| Installation Type | Rail-mounted (4 units) |
| Compatible Probes | Constant voltage electrode, polarographic probe, Pt100 RTD |
The CL3436’s patented design (Patent No.: 002564666-001) reflects its innovative engineering, combining reliability and usability for long-term operation. Its plug-and-play compatibility with various electrodes and probes reduces setup time, while the rugged construction ensures durability in harsh conditions involving moisture, chemicals, or temperature fluctuations. For water treatment plants, this transmitter enables real-time monitoring of chlorine residuals to ensure compliance with safety standards; for swimming pool operators, it provides precise control over disinfection levels to maintain water quality; for chemical manufacturers, it supports process optimization by tracking chlorine concentrations in production lines.
Choosing the CL3436 Chlorine Residual Transmitter means investing in a cost-effective, low-maintenance solution that delivers consistent and accurate data. Its modular design allows for easy maintenance and future upgrades, while the wide range of compatible systems ensures flexibility in integration. Whether you are looking to replace an outdated monitor or equip a new facility, the CL3436 meets the demands of modern water quality monitoring with its advanced features and user-friendly design. Contact our technical team today to learn more about how this transmitter can be tailored to your specific application needs.
Frequently Asked Questions (FAQ)
1. What types of electrodes are compatible with the CL3436 transmitter?
The CL3436 works with constant voltage electrodes, polarographic probes, and Pt100 RTD temperature probes for comprehensive monitoring and compensation.
2. Can the CL3436 be used for outdoor field applications?
Yes, its wide power supply range (9~36 Vdc) and compact, rugged design make it suitable for outdoor use, such as remote water sampling points or field treatment facilities.
How does the temperature compensation function work?
When connected to a Pt100 RTD probe, the transmitter automatically compensates for temperature variations. Operators can also manually set temperature coefficients and reference temperatures as needed.
4. Is the CL3436 compatible with my existing PLC or data logging system?
Yes, it features an isolated RS485 interface with Modbus (function 03) protocol and isolated 4-20mA output, ensuring seamless integration with most industrial control systems.
5. What measurement ranges does the CL3436 offer?
It provides three selectable ranges: 0~2.000 ppm-mg/l, 0~20.00 ppm-mg/l, and 0~200.0 ppm-mg/l, covering low to high chlorine concentration needs.
6. How is the CL3436 installed?
It uses a 4-unit rail mounting design, which is standard for industrial instruments, allowing easy installation on DIN rails in control cabinets or instrument racks.
7. Does the CL3436 have any electromagnetic interference protection?
Yes, it complies with EN 61326 EMC/RFI standards, providing resistance to electromagnetic and radio frequency interference in industrial environments.
8. Can the output signal be customized?
The standard analog output is 4-20mA two-wire, but customization options may be available upon request. Contact our sales team for specific requirements.
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