Does the sensor need frequent maintenance?

It features an automatic self-cleaning brush, which significantly extends the maintenance cycle.

What is the measuring range for COD?

The COD measuring range is 0.75~500mg/L for model COD351L and 1~1500mg/L for COD351H.

UV254 Water Cod Electrode Digital Cod Sensor for Surface Water

Name: UV254 Water Cod Electrode Digital Cod Sensor for Surface Water
Brand: Suzhou Delfino Environmental Technology Co., Ltd.
SKU: 1928578575

Jiangsu, ChinaSuzhou Delfino Environmental Technology Co., Ltd.

US$1,249.00-1,349.00

1 Piece

Sample price:US$1329.00/piece.Request sample

Product profile

Customization

Available

Resolution

0.01mg/L

Waterproof Level

IP68

Model NO.

COD351

Output

RS485, Modbus RTU Protocol

Cleaning

Automatic

Transport Package

Carton

Trademark

daruifuno

Origin

China

HS Code

9026809000

Production Capacity

500 Pieces/Year

Key features

Zero Reagent Usage: No reagents required, ensuring environmentally friendly and pollution-free operation.

Multi-Parameter Measurement: Simultaneously measures COD, TOC, turbidity, and temperature with high accuracy.

Automatic Self-Cleaning: Equipped with a self-cleaning brush to reduce maintenance frequency and extend cycles.

Turbidity Compensation: Automatically compensates for turbidity interference to ensure precise measurement results.

Standard Communication: Supports RS-485 output with Modbus RTU protocol for easy system integration.

High Protection Grade: IP68 waterproof rating and 316L stainless steel shell for durable industrial use.

Flexible Customization: Offers OEM/ODM services including customization from samples, designs, and full customization.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Suzhou Delfino Environmental Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.69h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established product development and customization capabilities, including 3D design, multiple customization models, ODM/OEM services, SDK availability, and software proficiency in AutoCAD, Pro/E, and SolidWorks. Quality processes include documented inspection, complaint handling, corrective and preventive action procedures, and stated quality assurance. Production evidence includes two production lines, one million pH meter units annually, two quality inspectors, and lead times within 15 workdays in both peak and off-peak periods. Service coverage is comparatively limited: no overseas warehouse, showroom, agents, branches, or overseas service countries are reported, and there is no valid manufacturing-capacity contract with related subcontractors. R&D documentation available for audit is also lacking. Certification, financial credibility, and customer-case evidence are insufficiently documented in the provided information.

Supplier typeThe supplier operates an assembling line and two production lines, produces pH meters, and serves industrial process control, municipal water testing, environmental monitoring, laboratory, and portable instrument applications. The information supports classification as a manufacturer and assembler of measuring instruments, although no formal supplier-type designation is stated.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions, customer complaints, supplier-service assessment, and finished-product inspection. However, it reports no overseas warehouse, showroom, agents, branches, or overseas service countries, indicating documented service processes but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, a professional R&D team, continuous innovation, more than 20 patents, ODM capability, SDK availability, and engineering proficiency in AutoCAD, Pro/E, and SolidWorks. Nevertheless, no design-input, output, review, verification, or validation documents were available for auditor review.

Production capacityProduction evidence includes two production lines, annual pH meter output of 1,000,000 pieces, in-stock capability, two quality assurance/QC inspectors, standardized finished-product inspection instructions, and lead times within 15 workdays in peak and off-peak seasons. A deficiency is that no valid manufacturing-capacity contract exists between the factory and related subcontractors.

Customization capabilityThe supplier explicitly provides 3D software design, customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services. These repeated capabilities across design and R&D records provide clear evidence of broad customization support.