Does the sensor require frequent maintenance?

No, the breakthrough fluorescence technique requires virtually no maintenance.

What is the cable length included?

The sensor comes with a 10-meter cable.

What certifications does the product have?

The product holds CE certification.

Boqu High Accuracy Dog-209fyd Optical Dissolved Oxygen Sensor with RS485 Output

Name: Boqu High Accuracy Dog-209fyd Optical Dissolved Oxygen Sensor with RS485 Output
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 1919760391

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

US$799.00-999.00

1 Piece

Product profile

Customization

Available

After-sales Service

Provided

Warranty

Provided

Model NO.

DOG-209FYD

Range

0-20mg/L

Resolution

0.1mg/L

Power

12-24VDC

Accuracy

<+/-2% 25 Degree

Response Time

<60s (90% Right Value)

Communication

Standard RS485 Modbus

Protection Grade

IP68

Transport Package

Carton Box

Specification

46*45*106cm

Trademark

BOQU

Origin

Shanghai, China

HS Code

90278099

Production Capacity

1500PCS/Month

Key features

Fluorescence Measurement Technology: Uses advanced fluorescence technique for stable, reliable, and interference-free dissolved oxygen monitoring.

Zero Oxygen Consumption: Measurement method consumes no oxygen, ensuring accurate data without altering sample composition.

IP68 Waterproof Rating: Fully enclosed design with IP68/NEMA6P rating for durability in harsh underwater environments.

Plug and Play Installation: Convenient on-site installation with simple interface instructions to reduce operational errors.

Visual Warning System: Equipped with alarm functions and customizable prompt messages for important alerts.

Wide Application Range: Suitable for sewage treatment, water plants, aquaculture, and industrial process water monitoring.

RS485 Modbus Communication: Standard RS485 output compatible with various industrial control systems for seamless data integration.

High Accuracy Performance: Dissolved oxygen accuracy within +/-3% and response time under 60 seconds for 90% reading.

Company profile

Shanghai Boqu Instrument Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-01-06 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.51h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanghai Boqu Instrument Co., Ltd. is identified as a China-based manufacturer established in 2007, with 111 employees and operations in Pudong, Shanghai. It produces electrochemical instrumentation and electrodes, including pH, conductivity, dissolved oxygen, turbidity, ion concentration, and flow-measurement products. The supplier reports ISO9001:2015 and ISO14001:2015 certifications, two production lines, a 1,368 m² manufacturing plant, ten years of R&D engineer experience, and six to ten quality-control staff. Its export activity began in 2014, with exports representing 21%–30% of sales. The company states that it provides after-sales service and uses advanced technology and equipment, but the slices do not provide measurable service performance, innovation outputs, customization evidence, or detailed customer case results.

Supplier typeThe supplier is classified as a manufacturer and is described as a professional manufacturer of electrochemical instrumentation and electrodes with R&D, production, and sales capabilities. Its registered address and factory location are both in Pudong, Shanghai, China.

CertificationsThe supplier reports holding ISO9001:2015 and ISO14001:2015 management-system certificates. These explicitly support quality-management and environmental-management certification, although certificate scope or validity details are not provided.

After-Sales capabilityThe company explicitly states that it focuses on after-sales service and offers “perfect after-sales service,” and claims this has helped earn customer and partner trust. However, no service-team size, response-time data, warranty terms, or service records are provided.

Production capacityThe supplier reports a manufacturing plant of 1,368 m², two production lines, six to ten quality-control staff, and ten years of R&D engineer experience. Its product range covers multiple electrochemical instruments and sensors, and it is identified as the manufacturer of listed BOQU products, providing explicit evidence of production capability.