What payment terms are accepted?

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

Can the device record historical data?

Yes, it can record up to 10,000 historical data points with detailed timestamps.

What is the power supply requirement?

It supports AC 100~240V 50/60Hz or DC 18~36V power supply.

RS485 Digital Dissolved Oxygen Meter 4-20mA

Name: RS485 Digital Dissolved Oxygen Meter 4-20mA
Brand: Suzhou Delfino Environmental Technology Co., Ltd.
SKU: 1937717261

Jiangsu, ChinaSuzhou Delfino Environmental Technology Co., Ltd.

Negotiable

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DUC2-DO

Specification

144*144*120 mm (hole size 138*138 mm)

Trademark

Daruifuno

Origin

China

HS Code

9026809000

Production Capacity

5000pieces/Year

Key features

Universal Controller Compatibility: Compatible with all DRFN digital dissolved oxygen sensors including fluorescence and polarography types.

Automatic Air Pressure Compensation: Features built-in function for automatic compensation of air pressure display for accurate readings.

OTA Smart Configuration: Supports Over-the-Air (OTA) download technology for convenient and smart instrument configuration.

Large Graphic Display: Equipped with a 3.2-inch 128*64 dot matrix LCD for clear data visualization.

Extensive Data Storage: Records up to 10,000 historical data points with year/month/day/hour/minute/second timestamps.

Power Off Protection: Parameters are retained indefinitely even after power loss.

IP66 Rated Shell: Constructed with enhanced ABS material offering IP66 protection against dust and water.

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: ≤8.48h

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.