Product Overview
The DRXD-002 residual chlorine analzyer adopts a constant-voltage three-electrode system with pH/temperature compensation, enabling accurate measurement of disinfectant concentrations in water such as residual chlorine, chlorine dioxide, and ozone. This product is widely used in municipal water supply, secondary water supply, process monitoring of water plant effluent, swimming pool water monitoring, chlorination/re-chlorination process monitoring, medical wastewater monitoring, and post-disaster water source disinfection monitoring. The instrument is easy to operate, delivers accurate measurements, requires minimal maintenance, and can be configured with electrodes of different measurement ranges according to user needs, meeting monitoring requirements across various scenarios.
Product Highlights
✅ Accurate Measurement
Employs a constant-voltage three-electrode system with pH/temperature compensation, enabling real-time monitoring of disinfectant concentration in water with high precision and stability.
✅ Fast Response
Response time T₉₀ < 1 minute. Once stabilized, it performs continuous online measurement to promptly reflect water quality changes.
✅ Low Maintenance
Supports multi-mode cleaning solutions including electrochemical real-time non-damaging cleaning & mechanical stirring cleaning, reducing maintenance efforts and extending electrode service life.
✅ Easy Operation
Features a 7-inch touch screen for full-process operation of the instrument. User-friendly interface ensures easy adoption.
✅ Flexible Installation
Wall-mounted design saves installation space and is suitable for various installation scenarios.
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Principle | Constant-voltage three-electrode system with pH/temperature compensation |
| Electrode System | Platinum working electrode, titanium metal counter electrode, shared pH reference electrode to reduce compensation error |
| Compensation Range | pH: 6.0–8.5; Temperature: 0–40°C |
| Response Time | T₉₀ < 1 min; continuous online measurement after stabilization |
| Measurement Cycle | Continuous online measurement; optional electric ball valve for intermittent measurement with adjustable and controllable cycles |
| Activation Time | 2 hours for first-time use; 0.5 hours after water/power interruption |
| Working Pressure | 0.15–3 bar |
| Allowable Flow Rate | 0.5–2 L/min |
| Cleaning Method | Electrochemical real-time non-damaging cleaning & mechanical stirring cleaning (multi-mode solution) |
| Calibration Function | Factory-built calibration curve; supports on-site single-point calibration |
| User Interface | 7-inch touch screen for full-process instrument operation |
| Dimensions & Weight | 480mm (H) × 340mm (W) × 210mm (D); Weight: 16kg |
| Installation Method | Wall-mounted |
Performance Specifications
| Measurement Parameter | Measurement Range | Measurement Accuracy | Detailed Application Fields |
|---|---|---|---|
| Residual Chlorine | 0–1 mg/L | ±0.05 mg/L or ±5% | Municipal water supply, secondary water supply |
| 0–5 mg/L | ±0.10 mg/L or ±5% F.S. @ 0–2 mg/L; ±0.20 mg/L or ±5% F.S. @ 2–5 mg/L | Water plant effluent process monitoring, swimming pool water monitoring, chlorination/re-chlorination process monitoring, wastewater disinfection monitoring, medical wastewater monitoring | |
| Chlorine Dioxide | 0–1 mg/L | ±0.05 mg/L or ±5% | Municipal water supply, secondary water supply |
| 0–2 mg/L | ±0.10 mg/L or ±5% F.S. | Water plant effluent process monitoring, swimming pool water monitoring | |
| Ozone | 0–1 mg/L | ±0.05 mg/L or ±5% | Municipal water supply, secondary water supply |
| 0–2 mg/L | ±0.10 mg/L or ±5% F.S. | Water plant effluent process monitoring, swimming pool water monitoring |
Application Fields
-
Drinking Water Safety:
Drinking water plant effluent, pipe network endpoints, secondary water supply, rural water improvement projects. -
Industrial Processes:
Reverse osmosis feed water, circulating cooling water, boiler water. -
Medical & Disease Control:
Medical wastewater, post-disaster water source disinfection monitoring. -
Other Scenarios:
Swimming pool water, hot spring water, seawater desalination.
Service & Support
Customized Solutions | Lifetime Technical Support
Free Operation Training | Remote Maintenance Guidance
Nationwide Service Network | Quick Consultation Response
—————————————————————————————————————————————————————————————————————————————————————————————————
📍 Address: No.1 Xiulin Road, Laishan District, Yantai, Shandong, China
📞 Mobile: +86-18366196517
💬 WhatsApp: +86-18366196517
✉️ Email: sales@cndongrun.com
