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Shipped via DHL, FEDEX, UPS, EMS, TNT, or other recommended carriers.

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Service includes free exchange within a month and an 18-month quality guarantee.

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Yes, you are welcome. A preliminary visit assessment is conducted first.

L Resolution

Name: High Precision Dissolved Oxygen Sensor with 0-20mg/L Range and 0 01mg/L Resolution
Brand: Hunan Rika Electronic Tech Co., Ltd.
SKU: 2300200395

Hunan, ChinaHunan Rika Electronic Tech Co., Ltd.

US$188.00

1-99 Pieces

US$182.00

100-499 Pieces

US$176.00

500+ Pieces

Product profile

Customization

Available

After-sales Service

Avaliable

Warranty

1 Year

Model NO.

RK500-04B

Portable

Certification

Type

Dissolved Oxygen Sensor

Range

0-20mg/L 0-50mg/L

Accuracy

0.2mg/L

Resolution

0.01mg/L

Supply

7-30VDC

Output

RS485 & 4-20mA at The Same Time

Cable Length

Repeatability

0.05mg/L

Response Time

T90<40s

Stability

Drift <0.2mg/L/Year

Material

All Stainless Steel 316L

Principle

Fluorescent

Transport Package

1 Piece Per Box

Specification

16*125mm

Trademark

Rika

Origin

China

Production Capacity

10000PC/Month

Key features

Fluorescent Measurement Principle: Ensures high performance, fast response, and stability for accurate oxygen readings.

Simultaneous Dual Output: Provides RS485 and 4-20mA signals simultaneously for versatile integration.

All Stainless Steel 316L: Offers strong anti-corrosion protection suitable for harsh industrial environments.

IP68 Waterproof Rating: Allows direct liquid immersion and submersible mounting with full protection.

Wide Range Options: Available in 0-20mg/L and 0-50mg/L ranges to suit different monitoring needs.

Fast Response Time: Achieves T90 response in less than 40 seconds for real-time data.

CE Certified: Meets European safety and quality standards for reliable operation.

1-Year Warranty: Includes free exchange within one month and 18-month quality guarantee.

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: ≤2.78h

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.