What is your normal delivery way?

Goods will be sent DHL / FEDEX / UPS / EMS / TNT / or other proposed forwarders.

How is your quality assurance service ?

Our service is free exchange within one month and 18 months`quality guarantee

Could we make a visit to your factory ?

Yes, you are welcomed . But before that ,we will do the visiting investigation.

4-20mA RS485 Fluorescence Do Dissolved Oxygen Probe Sensor for Water Quality

Name: 4-20mA RS485 Fluorescence Do Dissolved Oxygen Probe Sensor for Water Quality
Brand: Hunan Rika Electronic Tech Co., Ltd.
SKU: 2220527585

Hunan, ChinaHunan Rika Electronic Tech Co., Ltd.

US$248.00

1 Piece

Product profile

Customization

Available

After-sales Service

Avaliable

Warranty

1 Year

Model NO.

RK500-04a

Portable

Certification

Type

Dissolved Oxygen Sensor

Range

0-20mg/L

Accuracy

0.3 Mg/L

Resolution

0.01mg/L

Supply

7-28VDC

Output

RS485 & 4-20mA at The Same Time

Transport Package

1 Piece Per Box

Specification

16*125mm

Trademark

Rika

Origin

China

Production Capacity

10000PC/Month

Key features

Dual Output Signal: Supports RS485 and 4-20mA output simultaneously for versatile integration.

Long Service Life: Fluorescent film lifespan exceeds 2 years with no calibration required.

High Accuracy: Achieves 0.3 mg/L accuracy and 0.01 mg/L resolution for precise monitoring.

IP68 Waterproof: Fully waterproof design suitable for continuous underwater monitoring.

Temperature Compensation: Integrated thermal resistance ensures accurate readings across varying temps.

Wide Application: Ideal for aquaculture, sewage treatment, and environmental water monitoring.

Customizable Length: Cable length is customizable beyond the default 5m to fit specific needs.

OEM Service Available: We offer OEM services including logo design with a minimum order of 10 pcs.

Company profile

Cooperated with Fortune 500OEM ServicesPatents AwardedProduct Certification

Hunan Rika Electronic Tech Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 10 Years CertifiedNearest Port: Shenzhen Port,Guangzhou Port.Average Response Time: ≤2.12h

AI-Powered supplier vetting

SummaryHUNAN RIKA ELECTRONIC TECH CO., LTD. demonstrates established export activity, documented quality management, customization and R&D capabilities, and experience supplying products internationally. It reports ISO9001:2015 certification, 11 years of total R&D engineer experience, 11–20 quality-control staff, five production lines, ODM/OEM services, SDK availability, and new products developed within the past year. The supplier has exported for eight years and states that products have reached more than 100 countries and regions. Its service processes include written procedures, records, inspection instructions, and corrective/preventive action procedures. However, it does not provide 3D software design services, has no overseas warehouse or showroom, and lacks a valid contract with related subcontractors for manufacturing capacity. Financial information is present but is not assessed here because monetary figures are excluded.

Supplier typeThe supplier is identified as HUNAN RIKA ELECTRONIC TECH CO., LTD. Its stated business scope includes electronic product sales, energy-storage and solar-power technology services, agricultural management, and import/export activities; the investigated product is a paste-type temperature sensor.

CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate. This provides direct evidence of a certified quality-management system, although no other certifications are identified in the provided slices.

After-Sales capabilityThe supplier states that it provides after-sales service and technical support, while service capability is supported by written procedures, followed records, approved-supplier controls, and corrective/preventive-action procedures. It also reports no overseas warehouse or overseas showroom, which limits localized overseas service infrastructure.

R&D capabilityThe supplier reports 11 years of total R&D engineer experience, new products within the past year, ODM capability, OEM service for known brands, and an available SDK. These are direct indicators of active product development and technical integration capability.

Production capacityThe supplier operates five production lines, has 11–20 quality-control staff, maintains uniformly followed finished-product inspection instructions, and reports in-stock capability. However, it has no valid contract with related subcontractors for manufacturing capacity, so subcontracting governance is a stated weakness.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, in addition to ODM and OEM services. It does not provide 3D software design services, but this limitation does not negate the broad stated customization scope.

Client casesThe supplier states that its products have been exported to more than 100 countries and regions, including Germany, Spain, Russia, Malaysia, Thailand, Japan, South Korea, and India. One associated buyer, MEATECH SOLUTIONS LLP, is listed for the investigated temperature sensor; no broader customer project details or independently verified case studies are provided.