What is the minimum order quantity?

The minimum order quantity is 1 PC.

What are the payment terms?

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

What is the lead time for delivery?

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

Two Relays 4-20mA Online pH/ORP Controller for Water Treatment

Name: Two Relays 4-20mA Online pH/ORP Controller for Water Treatment
Brand: Suzhou Delfino Environmental Technology Co., Ltd.
SKU: 1918912055

Jiangsu, ChinaSuzhou Delfino Environmental Technology Co., Ltd.

US$69.00-85.00

1 Piece

Sample price:US$79.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year Lifetime Free Technical Support

Warranty

1 Year Lifetime Free Technical Support

Model NO.

APX1-C1A

Display

Digital

Portable

Non Portable

Appliance

Food Analysis, Biochemistry, Water Treatment and Monitoring

Certification

ISO9001, CE, SGS

pH Range

0~14pH

ORP Range

-2000mv~2000mv

Power Source

100~240VAC or 18~36VDC

Communication

RS485 Modbus RTU

Relays

Two Spst Relays

Current

4-20mA

Transport Package

Packaging

Specification

100*100*120mm

Trademark

daruifuno

Origin

China

HS Code

9026809000

Production Capacity

50000 Pieces/Year

Key features

Comprehensive Warranty: 1-year warranty with lifetime free technical support included.

Large LCD Display: 3.2-inch large digital screen for clear data monitoring.

Dual Relay Control: Two SPST multi-function relays with 3A/250VAC max load.

IP66 Waterproof Design: Sealed enclosure isolates pollution and corrosive gases effectively.

Temperature Compensation: NTC10K/PT1000 sensors ensure accurate readings across temperatures.

Multiple Certifications: Certified by ISO9001, CE, and SGS for quality assurance.

RS485 Communication: Supports RS485 Modbus RTU for seamless system integration.

Flexible Customization: Offers full, minor, and design-based customization options.

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: ≤10.37h

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.

Product Q&A

Q:Is your company a manufacturer?

Our company is a professional manufacturer of water analysis instruments and sensors, integrating development and production together. The quality of our products is guaranteed strictly.

Q:What's the location of your company?

Our company is Located in Suzhou near Shanghai,So we enjoy convenient water, land and air transportation,which is very efficient and fast.

Q:How is your service?

We will try our best to offer you good before-sale and after-sale service. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact you.

Q:What is the warranty period?

We provide a 1-year warranty with lifetime free technical support.

Q:Can the product be customized?

Yes, we offer full customization, minor customization, and customization from samples or designs.