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We provide a 2-year warranty and lifetime maintenance service.

Sentec 4-20mA RS485 Online pH Digital Sensor Probe pH Electrode pH Probe for Water

Name: Sentec 4-20mA RS485 Online pH Digital Sensor Probe pH Electrode pH Probe for Water
Brand: Chengdu Sentec Technology Co., Ltd.
SKU: 2101280725

Sichuan, ChinaChengdu Sentec Technology Co., Ltd.

US$80.00-112.00

1 Piece

Product profile

Customization

Available

Range

0.00-14.00pH

Accuracy

±0.02 pH, ±0.3℃

Model NO.

WQ700D

Resolution

0.01pH

Power Supply

DC5V/12V/24V

Packaging Details

Carton

Cable Length

5m (Customizable)

Transport Package

Carton

Specification

27*21*7 3Kg

Trademark

SENTEC

Origin

China

HS Code

9026900090

Production Capacity

50000

Key features

Smart APP Control: Supports data viewing, debugging, and maintenance via mobile APP or computer.

Wide Application Scope: Ideal for wastewater, aquaculture, food, chemical, and environmental monitoring.

Dual Output Options: Provides RS485 and 4-20mA output signals for flexible system integration.

Durable IP68 Design: PPS material construction with IP68 protection grade for harsh environments.

Customizable Cable: Standard 5m cable length with customizable options to fit specific needs.

Certified Quality: ISO, CE, and RoHS compliant with complete pre-inspection quality control.

Lifetime Maintenance: 2-year warranty coverage with lifetime maintenance support for peace of mind.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityCustomization from SamplesProduct Certification

Chengdu Sentec Technology Co., Ltd.

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2011-03-01Average Response Time: ≤8.14hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT, Others, FCA

AI-Powered supplier vetting

SummaryChengdu Sentec Technology Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory in the electrical and electronics sector. Its stated products include multiple sensor and transmitter categories, while company descriptions highlight sensor technology development, intelligent monitoring solutions, and OEM experience. The supplier reports ISO 9001 certification, 11–20 years of R&D engineer experience, 6–10 quality-control staff, and more than 10 production lines. It has exported since 2011 and reports that 51%–70% of sales are exports, with self-operated import and export rights. An audit by BV is recorded, but the supplied audit result is “0” and the report validity period ended on 2024-11-15; the meaning of the result is not provided. Evidence remains insufficient for financial credibility, after-sales capability, overseas service coverage, detailed customization services, and verified customer cases.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, with a limited-company structure and electrical and electronics trade focus. This supports its ability to operate as a product supplier with manufacturing involvement, although the relative scale of trading versus manufacturing is not stated.

CertificationsThe supplier reports ISO 9001 certification, and a BV audit record is provided with a stated validity period from 2023-11-16 to 2024-11-15. However, the audit result is recorded as “0,” and no interpretation or currently valid certification evidence is supplied, so the positive certification evidence is limited to the stated ISO 9001 holding.

R&D capabilityCompany descriptions state that industry experts participate in sensor R&D and innovation, that advanced production technologies are continuously introduced and developed, and that the supplier has 11–20 years of R&D engineer experience. Specific evidence for new-product output, SDK availability, 3D design, ODM, or other measured innovation deliverables is unknown.

Production capacityThe supplier is identified as a manufacturer/factory, offers several sensor and transmitter product categories, reports more than 10 production lines, and describes industrialized and systematized production. These details provide explicit evidence of substantial production infrastructure, although capacity volume and utilization are not stated.

Customization capabilityThe supplier explicitly states it has experienced OEM services and develops sensing technology solutions for customers, which supports some customization capability. Nevertheless, the availability of ODM, OEM for popular brands, 3D software design, and new-product development services is marked unknown, so the full customization scope cannot be verified.

Product Q&A

Q:How long will you give me the reply?

We will contact you within 1 hour as soon as possible.

Q:Could I visit your factory?

We sincerely invite you to visit our factory.

Q:Do you provide samples?

Yes, we have materials in stock to help you get samples as soon as possible.

Q:What is the quality control process?

We have a complete quality control system. All products undergo full pre-inspection by QC departments before shipping. We hold ISO, CE, and RoHS certifications.

Q:What are your terms of payment?

We accept T/T, PayPal, Western Union, and Credit Assurance.