What communication interfaces does the controller support?

It supports two settable 0/4-20mA current outputs and a two-wire RS485 interface with MODBUS RTU protocol.

What is the minimum order quantity?

The minimum order quantity is 1 PC.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-season periods.

4-20mA RS485 Dissolved Oxygen Controller Do Controller for Water Monitoring

Name: 4-20mA RS485 Dissolved Oxygen Controller Do Controller for Water Monitoring
Brand: Suzhou Delfino Environmental Technology Co., Ltd.
SKU: 2164318445

Jiangsu, ChinaSuzhou Delfino Environmental Technology Co., Ltd.

US$199.00-232.00

1 Piece

Sample price:US$199.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year Lifetime Fee Technical Support

Warranty

1 Year Lifetime Fee Technical Support

Model NO.

DUC2-DO-D Dissolved Oxygen Controller

Display

Digital

Portable

Non Portable

Appliance

Food Analysis, Medical Research, Biochemistry

Certification

ISO9001, CE, SGS

Display Screen

128*64 LCD

Power Supply

18~36VDC

Power Consumption

About 7W

Transport Package

Packaging

Specification

144*144*120mm

Trademark

drfn

Origin

China

HS Code

9031809090

Production Capacity

50000 Pieces/Year

Key features

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

Automatic Pressure Compensation: Features automatic compensation for air pressure display to ensure accurate readings.

Multi-Function Relay Control: Two settable SPST relays for high/low alarm, temperature control, and wash control.

Extensive Data Logging: Records 10,000 historical data points with permanent parameter retention upon power failure.

Flexible Customization Options: Offers full customization, minor customization, and flexible options from samples or designs.

Robust IP66 Protection: Enhanced ABS enclosure with IP66 protection grade for reliable operation in harsh environments.

Dual Communication Interfaces: Supports 4-20mA current output and RS485 MODBUS RTU digital output for easy integration.

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: ≤8.22h

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.