What is the accuracy and resolution of the device?

Accuracy is 1%Fs; +/- 0.2degree. Resolution is 0.1%, 0.01mg/L, 0.1degree.

Does the device support temperature compensation?

Yes, it supports ATC/MTC with a temperature compensation range of -5.0~105degree.

What certifications does the product have?

The product has CE certification.

Portable Dissolved Oxygen Analyzer Portable Do Meter

Name: Portable Dissolved Oxygen Analyzer Portable Do Meter
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 841258725

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

Negotiable

10 Pieces

Sample price:US$300.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Provided

Warranty

Provided

Model NO.

DOS-1703

Measuring Range

0.0~199.9%

Accuracy

1%Fs; +/- 0.2degree

Resolution

0.1%, 0.01mg/L, 0.1degree

Temperature Compensation Range

-5.0~105degree

Calibration

2 Point Max.

Date Storage

99 Groups

Overall Dimension

230mm*100mm*35mm

Power Supply

4*AA/Lr6

Transport Package

Carton

Trademark

BOQU

Origin

Shanghai

HS Code

9027809900

Production Capacity

500pieces/Week

Key features

Portable & Lightweight Design: Compact size 230x100x35mm and only 0.4kg weight for easy one-hand operation.

High Precision Measurement: Accuracy of 1%Fs with resolution up to 0.01mg/L for dissolved oxygen and temperature.

Dual Display Units: Simultaneously displays dissolved oxygen in mg/L (ppm) and oxygen saturation percentage (%).

Long Data Storage: Stores up to 99 groups of measurement data and calibration data for record keeping.

Flexible Power Supply: Powered by 4 AA/LR6 batteries or NiMH rechargeable batteries for versatile usage.

OEM/ODM Customization: Supports OEM and ODM services with 10 R&D engineers for tailored solutions.

CE Certified Quality: Product holds CE certification ensuring compliance with international safety standards.

Reliable Manufacturer: Direct factory with 17 years experience, 111 employees, and 1368 sqm plant area.

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: ≤6.83h 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.