What is the intrinsic error of the electronic units?

The intrinsic error of electronic units is +/- 0.02pNa +/-1 unit.

Dws-51 Laboratory Sodium Meter

Name: Dws-51 Laboratory Sodium Meter
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 841315105

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

Negotiable

10 Pieces

Sample price:US$250.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Provided

Warranty

Provided

Model NO.

DWS-51

Pna Value

(0.00~9.00) Pna

Na+ Concentration

23G/L~0.023 μ G/L

Mv Value

(-1800~1 800) Mv

Resolution

0.01 Pna

Intrinsic Error of The Instrument

+/- 0.05pna

Electronic Unit Stability

+/- 0.02pna/3h

Transport Package

Carton

Trademark

BOQU

Origin

Shanghai

HS Code

9027809900

Production Capacity

500pieces/Week

Key features

High Precision Measurement: Intrinsic error of instrument is +/- 0.05pNa with 0.01 pNa resolution.

Dual Compensation Modes: Features both manual and automatic temperature compensation functions.

Multi-Parameter Display: Displays both pNa value and sodium ion concentration [Na+] simultaneously.

Wide Application Scope: Ideal for high-purity water in power plants and industrial drainage monitoring.

Compact Design: Compact and beautiful external shape for convenient laboratory operation.

Factory Direct Supply: Direct manufacturer with 10 R&D engineers and OEM/ODM services available.

CE Certified Quality: Product holds CE certification ensuring safety and quality standards.

Comprehensive Support: After-sales service and warranty provided for all purchased instruments.

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: ≤5.37h 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.