Does the E-201 electrode require supplementary reference solution?

No, the PH composite electrode E-201 does not need to add supplementary reference solution.

Water Analyzing Lab Using pH Sensor for Laboratory E-201

Name: Water Analyzing Lab Using pH Sensor for Laboratory E-201
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 781988445

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

US$20.00

5-99 Pieces

US$10.00

100+ Pieces

Product profile

Customization

Available

Type

Ph Electrode

Cooling System

Radiator

Model NO.

E-201

Function

Short Circuit Protection

Materials

Plastic

Measuring Range

0~14pH

Working Temperature

0-60

Size

12X120mm

Product Name

pH Sensor

Transport Package

Carton Box

Specification

SGS, CE, ISO9001

Trademark

BOQU

Origin

Shanghai, China

HS Code

9027809900

Production Capacity

1000piece/Month

Key features

Wide Measurement Range: Accurately measures pH levels from 0 to 14 with 0.01 precision.

Durable PC Shell: Constructed with fiber electrolytic bridge and PC shell for stability.

Low Maintenance: No need to add supplementary reference solution for E-201 electrode.

Factory Direct Supply: Direct manufacturer with 10 R&D engineers and assembly line production.

Fast Delivery: 5-10 days for in-stock items; 15-20 days for custom quantities.

OEM/ODM Support: Customized measuring range, temperature, and size available for orders.

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: ≤6.68h 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.