What is the measuring principle of the sensor?

The sensor operates on the current sensor principle using a Polarographic electrode with a permeable membrane thickness of 50 um.

What are the technical specifications regarding temperature and flow?

The temperature range is 0-60 degrees Celsius, and the minimum flow rate required is 2.5cm/s. The polarization time is 60 minutes.

What certifications does the product have?

The product holds CE certification.

Ppm Online Dissolved Oxygen Sensor High Quality Dissolved Oxygen Electrode

Name: Ppm Online Dissolved Oxygen Sensor High Quality Dissolved Oxygen Electrode
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 840559765

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

US$200.00

1-9 Pieces

US$189.00

10-99 Pieces

US$169.00

100+ Pieces

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Measuring Range

0-20mg/L

Temperature Range

0-60degree

Model NO.

DOG-209F

Accuracy

<+/- 0.01mg/L

Temperature Compensation

PT100/PT1000//22K/2.252K/etc.

Electrolyte

Kcl

Housing Material

316L Stainless Steel/PVC

Polarization Voltage

0.7V

Transport Package

Carton

Specification

144*144*104mm

Trademark

BOQU

Origin

Shanghai

HS Code

9027809900

Production Capacity

500pieces/Week

Key features

High Stability and Reliability: Designed for clean water with high stability and low maintenance requirements.

Wide Measuring Range: Measuring range from 0 to 20mg/L with a detection lower limit of 0.01 mg/L.

Fast Response Time: Achieves 90% response in just 3 minutes at 20 degrees Celsius.

Long Sensor Life: Sensor life exceeds 2 years for long-term continuous monitoring.

High Accuracy: Accuracy within +/- 0.01mg/L with drift less than 2% per month.

Durable Housing Material: Available in 316L Stainless Steel or PVC for various industrial environments.

Comprehensive Temperature Compensation: Supports PT100, PT1000, 22K, and 2.252K resistors for precise readings.

OEM and ODM Services: Manufacturer supports OEM and ODM customization with 20+ years R&D experience.

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: ≤7.50h 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.

Product Q&A

Q:Who are we?

BOQU instrument focuses on R&D and production of Water Quality analyzer & sensor since 2007. We have 200+ employees, 20+ years R&D experience, 50+ technical patents, and an annual production capacity of 150,000 pcs. Our main industries include power plants, water treatment plants, drinking water, pharmaceuticals, fish farming, and swimming pools.

Q:How can we guarantee quality?

We guarantee quality through 100% OQC for all products before shipping and by providing testing pictures and videos prior to shipment.

Q:What is our main business?

We provide a whole solution for water quality instruments, including analyzers and sensors for pH, COD, BOD, conductivity, Dissolved Oxygen, Turbidity, TSS, Residual chlorine, Ammonia, Nitrate, Hardness, and more.

Q:Why choose us instead of other suppliers?

We are a manufacturer established in 2007, offering a one-stop solution with thousands of project references. We provide 24-hour after-sales service, have 20+ years of R&D experience, support OEM & ODM services, and hold 50+ patents for water quality analyzers and sensors.

Q:What service can we provide?

We offer various Incoterms (FOB, CFR, CIF, EXW, etc.), accept payments in multiple currencies (USD, EUR, JPY, etc.) via methods like T/T, MoneyGram, Credit Card, PayPal, and Western Union. We support communication in English, Chinese, Spanish, and Korean.