Automatic Temperature Compensation Online Digital pH Sensor for Water
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Product Highlights
- Automatic Temperature Compensation: Built-in temperature unit provides real-time automatic compensation for accurate pH readings.
- IP68 Waterproof Protection: Ensures continuous and stable operation underwater for extended periods.
- RS485 Digital Interface: Standard Modbus protocol supports seamless integration with industrial control systems.
- Plug and Play Installation: Internal calibration data storage allows for easy offline calibration and immediate use.
- Anti-Interference Design: Electrical isolation communication and power interfaces ensure strong anti-interference ability.
- Customizable Material: Material can be customized to PPS based on specific application requirements.
- Versatile Application: Suitable for water purification, lakes, rivers, and urban underground pipe networks.
Product Attributes
- Customization
- Available
- Warranty
- 3 Months
- Appliance
- Water Treatment
- Model NO.
- DPH790
- Certification
- ISO9001, CE
- Material
- PPS
- Protection Level
- IP68
- Work Pressure
- 0~4bar
- Power Supply
- 9~24VDC
- Transport Package
- Carton
- Specification
- Diameter: 35mm, length: 220mm
- Trademark
- daruifuno
- Origin
- China
- HS Code
- 9026809000
- Production Capacity
- 500 Pieces/Year
- Package Size
- 28.00cm * 10.00cm * 8.00cm
- Package Gross Weight
- 2.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Automatic Temperature Compensation Online Digital pH Sensor for Water
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Product Description

Features
Used in general water purification, lakes and rivers, urban underground pipe networks and other environments.
With electrical isolation communication and power interface options, strong anti-interference ability.
All-in-one package, can be used conveniently with online transmitters, DTUs and other portable instruments .
RS485 digital interface, standard Modbus protocol, support access to standard industrial control system.
The protection grade is IP68, and it can work continuously and stably under water for a long time.
Internal storage of calibration data, support offline calibration, plug and play on site.
Specification
| Product Model | DPH790 |
| Measuring Range | 0~14 pH / 0.0~50.0ºC |
| Resolution | 0.01 pH / 0.1ºC |
| Accuracy | 0.1% of the measuring range (or PH: ±0.02pH), take the larger one |
| Temperature Compensation | Built-in temperature unit, automatic temperature compensation |
| Calibration Method | Zero position/slope/deviation |
| Work Pressure | 0~4Bar |
| Operating Temperature | 0.0~50.0ºC |
| Material | PPS |
| Dimension | Diameter 35mm, total length 220mm |
| Installation size | One inch 1"NPT at both ends of the sensor |
| Waterproof level | IP68 |
| Power supply | 9~24VDC |







About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2342155". Items marked "" are certified.
Company Profile
Daruifuno Environmental Technology Co., Ltd. is headquartered in Suzhou City, Jiangsu Province, China, with an advantageous geographical location, close to Shanghai, in the middle of the Yangtze River Delta, with convenient water, land and air transportation.
Daruifuno is a national high-tech enterprise, focusing on R& D, production and sales of various water quality analysis instruments and the surrounding supporting products.
Our products cover electrochemistry, optics, acoustics and other technical fields. The main products are pH, ORP, dissolved oxygen, conductivity, turbidity, suspended solids, chlorophyll, blue-green algae, residual chlorine, COD, ammonia nitrogen, etc. Single-parameter and multi-parameter water quality analysis instruments. The application types of instruments include industrial online, laboratory and portable. The industries involved in industrial process control, municipal water treatment testing, environmental discharge monitoring, surface water monitoring, etc.
The company has a professional R& D team and has the ability of continuous innovation. At present, it has obtained more than 20 patents including invention patents. Daruifuno has maintained a good strategic cooperative relationship with many domestic and foreign companies and scientific research institutions. Digest and absorb advanced technology and application experience, but we always insist on researching and developing products with independent intellectual property rights. Every year, the company produces new software products and has obtained dozens of software copyrights.
Our products comply with ISO9001 certification and have CE certification. Our customers are all over Africa, Europe, South America, the Middle East and other countries and regions. The company has a strict quality control system to ensure the quality and accuracy of each instrument. We have a strong supply capacity, have multiple warehouses to store goods, and use professional management software for goods management.
The team of Daruifuno will continue to expand, and always uphold the concept of "creating value for customers", to provide our customers with more competitive products, and look forward to cooperating with customers from all over the world for common development!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 3, Hupai Road, Huguan Town, Suzhou, Jiangsu, China
-
Plant Area
- 911.96 square meters
-
Number of Employees
- 25
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 PC
-
Supply Chain Partners
- 36
Our Production Capability & Technical Expertise
-
Main Products
- PH Meter, PH Senser
-
Production Lines
- 2
-
Production Machines
- Assembling Line
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2015-06-30
-
Export Year
- 9 Years
-
Main Markets
- East Asia(Japan/ South Korea), Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- What is the warranty period for this sensor?
- The sensor comes with a 3-month warranty.
- Can the sensor be customized?
- Yes, we offer full customization, minor customization, and customization from samples or designs.
- What is the minimum order quantity?
- The minimum order quantity is 1 PC.
- What is the lead time for delivery?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- Is OEM or ODM service available?
- Yes, both OEM and ODM services are available.
- What payment terms do you accept?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
- What is the working pressure range?
- The sensor can work continuously under a pressure range of 0 to 4 bar.
- Does the sensor support offline calibration?
- Yes, it features internal storage of calibration data to support offline calibration.
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