What is your normal delivery method?

Our products are dispatched through DHL, FEDEX, UPS, EMS, TNT, or other suggested forwarders for reliable delivery.

How is your quality assurance service?

We offer a complimentary exchange within one month and an 18-month quality guarantee, ensuring peace of mind.

Can we visit your factory?

Absolutely, we welcome visits. Please allow us to coordinate a visit investigation ahead of time for a seamless experience.

Portable Dissolved Oxygen Sensor with 0-20mg/L Range for Field Use

Name: Portable Dissolved Oxygen Sensor with 0-20mg/L Range for Field Use
Brand: Hunan Rika Electronic Tech Co., Ltd.
SKU: 2300183655

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

Fluorescence Principle: High-performance oxygen membrane ensures rapid response and exceptional stability.

Dual Output Capability: Simultaneous RS485 and 4-20mA output for versatile integration.

IP68 Waterproof Rating: Robust design suitable for pipe or dip installation in harsh environments.

Temperature Compensation: Advanced thermal resistance ensures accurate readings across varying temperatures.

Long Service Life: Engineered for durability with drift less than 0.3mg/L per year.

No Liquid Velocity Requirement: Operates effectively in static or flowing water without velocity constraints.

Ion Interference Free: Uninfluenced by ion interference for precise dissolved oxygen measurement.

Customizable Cable Length: Default 5m cable with options for other lengths upon request.

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: ≤2.33h

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.

Product Q&A

Q:Are you the final manufacturer?

Absolutely, we are a premier SENSOR manufacturer and exporter based in China, boasting over a decade of experience. Our facility is proudly authorized by SGS, ensuring the highest standards.

Q:Do you offer the OEM service?

Indeed, we offer comprehensive OEM services and can customize logo markings for you. A minimum order of 10 units is required for the first order.

Q:Do you offer free samples?

Unfortunately, we do not provide free samples at this time.

Q:What payment methods do you accept?

We accept payments via T/T, PayPal, and Western Union for your convenience.

Q:What is your delivery time?

Our standard delivery time is within 6-8 working days post-payment confirmation. For orders exceeding 100 units, please allow an additional 3-5 working days.