Robust and Powerful Circuitry
Effortless and User-Friendly Installation
High Sensitivity and Quick Responsiveness
| Model | H-Y680 |
| Measuring range | 0.00~20.00 mg/l (ppm) |
| Measuring principle | Constant voltage method (double platinum ring) |
| Accuracy | 2% |
| Temperature measuring range | 0.0~60.0°C |
| Temperature sensor | NTC22K Optional: PT100, Pt1000, NTC2.252K |
| Response time | 90% < 90 seconds |
| Medium flow rate | 15~30L/h |
| Calibration interval | Calibrate once every month |
| PHrange | 5~9pH |
| Pressure - resistant range | 0~1 bar |
| Shell material | ABS |
| Connection thread | M39*1.5thread |
| Line length | Standard 5 meters (customizable) |
| Installation method | Flow - through type (flow cell) |
| Protection level | Ip68 |
| Electrical connection | Pin - type |
| Quality guarantee | 1 year |
Residual chlorine monitoring in secondary water supply, tap water, drinking water, swimming pools, water treatment dechlorination processes, and the influent of membrane treatment processes such as reverse osmosis.







* The warranty period extends to 12 months from the commissioning acceptance date. Additionally, we supply a 1 year warranty alongside lifelong free technical guidance and training.
* We promise maintenance will take no more than 7 working days, and we respond within 3 hours.
* We establish detailed service profiles for our clients to comprehensively document product service and maintenance history.
* Once instruments are operational, we conduct regular follow-ups to ensure optimal service conditions.
1. How can I get the price?
- We typically provide quotes within 24 hours of receiving your inquiry (excluding weekends and holidays).
- If you require an urgent quote, please reach out via email or other contact methods for a prompt response.
2. Can I buy samples before placing orders?
- Yes, absolutely. Please do not hesitate to get in touch with us.
3. What is your lead time?
- Lead time varies based on order quantity and seasonality.
- Typically, we ship within 7-15 days for smaller quantities and approximately 30 days for larger orders.
4. What are your payment terms?
- We accept T/T, Western Union, MoneyGram, and PayPal. Terms are open to negotiation.
5. What shipping methods are available?
- Options include sea, air, or express (EMS, UPS, DHL, TNT, FEDEX, and more). Please confirm with us prior to order placement.
6. How do you ensure long-term, positive business relationships?
- 1. We maintain superior quality and competitive pricing to benefit our valued customers.
- 2. We treat every customer with respect, forging sincere business partnerships and friendships, regardless of their origins.





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