What is the warranty period?

The product comes with a 3-month warranty.

What is the minimum order quantity?

The minimum order quantity is 1 PC.

What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Opd790 Online Luminescent Digital Dissolved Oxygen Sensor Probe for Water Treatment

Name: Opd790 Online Luminescent Digital Dissolved Oxygen Sensor Probe for Water Treatment
Brand: Suzhou Delfino Environmental Technology Co., Ltd.
SKU: 1963616355

Jiangsu, ChinaSuzhou Delfino Environmental Technology Co., Ltd.

US$399.00-419.00

1 Piece

Sample price:US$399.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

3 Months

Model NO.

OPD790

Display

Digital

Portable

Non Portable

Appliance

Food Analysis, Medical Research, Biochemistry, Industrial Water Treatment

Certification

ISO9001, CE, SGS

Measure Principle

Fluorescence Principle

Material

PPS

Protection Level

IP68

Work Pressure

0~3bar

Measuring Range

0.00~20.00 Mg/L

Accuracy

0.1 Mg/L

Installation Size

1"NPT

Transport Package

Carton

Trademark

Daruifuno

Origin

China

HS Code

9026809000

Production Capacity

500 Pieces/Year

Key features

No Calibration Required: Sensor does not require calibration and meets fieldwork requirements.

IP68 Protection Grade: Sensor can be used underwater for long-term operations.

RS485 Digital Interface: Supports standard Modbus protocol and industrial control systems.

Fast Response Time: Reaches 90% of value in less than 25 seconds.

Automatic Temperature Compensation: Built-in temperature unit for accurate readings.

Plug and Play Installation: Supports offline calibration and easy on-site setup.

OEM and ODM Services: Full customization, minor customization, and flexible options available.

ISO9001 and CE Certified: Product meets international quality and safety standards.

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: ≤8.39h

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.