What communication protocol is supported?

It supports RS485 digital output with the standard Modbus RTU protocol for industrial control system access.

Does the sensor require regular maintenance?

It has an integrated self-cleaning brush (rubber scraper) to continuously monitor water quality and reduce maintenance frequency.

Cod351 Online Digital Chemical Oxygen Demand Sensor Cod Sensor for Water Treatment

Name: Cod351 Online Digital Chemical Oxygen Demand Sensor Cod Sensor for Water Treatment
Brand: Suzhou Delfino Environmental Technology Co., Ltd.
SKU: 1928617175

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

Range

0~1500mg/L

Resolution

0.01mg/L

Model NO.

COD351

Protection Grade

IP68

Digital Output

RS485, Modbus RTU Protocol

Power Supply

12~24VDC

Material

316L Stainless Steel

Transport Package

Packaging

Trademark

daruifuno

Origin

China

HS Code

9026809000

Production Capacity

500 Pieces/Year

Key features

UV254 Nano-UV Measurement: Uses UV254 nano-ultraviolet absorption method for accurate COD and TOC analysis without consumables.

Real-Time Online Monitoring: Fast analysis with real-time response; no sample digestion or waiting time required for results.

Integrated Self-Cleaning: Features an integrated rubber scraper to prevent biological attachment and reduce maintenance frequency.

Turbidity Compensation: Automatically eliminates suspended solid interference and compensates for turbidity effects.

Standard Industrial Interface: RS485 digital output with standard Modbus RTU protocol for easy integration into control systems.

High Stability & Repeatability: Excellent repeatability and stability, not easily affected by ambient light variations.

Compact Drop-in Design: Small size (50mm diameter, 215mm length) with IP68 protection for convenient installation.

Multi-Parameter Capability: Capable of measuring COD, TOC, turbidity, and temperature simultaneously.

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: ≤7.93h

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.