




The online chlorine dioxide analyzer adopts a genuine German-imported CD4.2 chlorine dioxide sensor and operates on the principle of the coated dual-electrode constant current method.
Application
Municipal tap water, secondary pressure-boosted water supply in pipe networks, water for food factories and beverage factories
Features
1. Response speed up to 15 seconds (maximum)
2. Built-in automatic temperature compensation to improve measurement accuracy
3. No zero calibration required; calibration cycle no more than 3 months
4. Small measurement range of 0~0.5mg/L, with a minimum detection limit of 0.005mg/L
5. Two input signal interfaces, supporting simultaneous measurement of any one parameter among pH, ORP, conductivity, turbidity, dissolved oxygen, etc.
6. Multiple data output methods: 4~20mA, RS485 MODBUS
7. Controller supports wall mounting/panel mounting/pipe clamp mounting
8. Made of aluminum alloy, featuring high strength, oxidation resistance and corrosion resistance, with a protection class of up to IP65
TECHNICAL PARAMETERS
Measurement Parameter | Chlorine Dioxide |
Measurement Range | 0.005~0.500/2.000mg/L; 0.05~5.00/10.00/20.00mg/L |
Lower Detection Limit | 0.005mg/L (depending on the range) |
Resolution | 0.001mg/L (depending on the range) |
Response Time | T90≈15 seconds |
Drift | Approx. -1 per month (after calibration at 25℃, pH=7.2) |
pH Range | 1.0~12.0 |
Maintenance | Membrane cap replacement cycle: 1 year (depending on water quality) |
Flow Rate | In flow cell: 250~500mL/min |
Operating Temperature | 0~45℃ |
Display | LCD screen |
Power Supply | 105~235VAC, 50±1Hz / 24VDC±5 (DC optional) |
Analog Output | Two analog outputs (load resistance <500Ω) |
Digital Output | RS485 interface, MODBUS RTU protocol |
Relay Output | Three relays, 5A 250VAC, 5A 30VDC |
Material | Bottom case: Cast aluminum with spray coating; Top cover: PA66+30GF with spray painting |
Dimensions | 145*145*174mm (H*W*D) |
Protection Class | IP65 |
Certification | CE, RoHS, REACH (sensor) |
FAQ – Frequently Asked Questions
1. Where are your products manufactured?
Our products are proudly designed and manufactured in China, following international quality standards and certified processes.
2. Can you provide OEM/ODM services for international clients?
Yes, we offer customized solutions and private labeling to meet your brand’s needs worldwide.
3. Are your products compliant with international safety and quality standards?
Absolutely. Our products are tested to meet CE, RoHS, and other international certifications.
4. How do you handle shipping and delivery for overseas orders?
We cooperate with major international couriers to ensure fast and reliable delivery to your location.
5. Can I get product samples before placing a large order?
Yes, we provide samples so you can evaluate product quality before committing to bulk orders.
6. What is the typical lead time for production and delivery?
For standard products, we usually ship within 5–7 days after order confirmation. Customized products may take slightly longer.
7. How do you support clients after the purchase?
We offer 24/7 technical support, product guidance, and warranty service to ensure smooth operation.
8. Do you provide support for international clients after purchase?
Yes, we offer remote technical assistance, manuals in English, and prompt solutions to any issues, ensuring smooth use worldwide.
9. How can I place an order if I am located overseas?
You can contact our sales team directly via email or website inquiry. We provide professional guidance throughout the ordering process.
10. Why should I choose your company over other suppliers in China?
We combine over 30 years of manufacturing experience, advanced technology, strict quality control,
and global customer service to deliver reliable, high-quality solutions.
