What certifications does the product have?

The product holds ISO9001 and CE certifications, and the manufacturer is recognized as a High-Tech Enterprise.

Online Digital pH Sensor RS485 Output Connect with PLC Controller Desktop

Name: Online Digital pH Sensor RS485 Output Connect with PLC Controller Desktop
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 1912184001

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

US$419.00

1-9 Pieces

US$398.00

10-99 Pieces

US$219.00

100-999 Pieces

US$179.00

1,000+ Pieces

Sample price:US$419.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Support

Warranty

Support

Model NO.

PHG-2081Pro

Display

Digital

Portable

Non Portable

Appliance

Food Analysis, Biochemistry

Certification

ISO9001, CE

Measuring Range

0-14pH

Accuracy

0.01pH

Temperature Range

10.0 to +130.0℃

Product Name

pH Meter

Waterproof Grade

IP65

Output

4-20mA

Communication

RS485

Transport Package

PP Bag, Paper Box. Sponge, Seaworthy Box, Wooden

Specification

144*144*104(mm)

Trademark

BOQU

Origin

Shanghai

HS Code

9026209090

Production Capacity

1000piece/Month

Key features

RS485 Modbus RTU Output: Compatible with PLC controllers and host computers for monitoring and recording.

Wide Measuring Range: Measures pH from -2.00 to +16.00 and ORP from -2000mV to +2000mV.

IP65 Waterproof Grade: Robust design suitable for harsh industrial environments and outdoor use.

Dual Isolated Outputs: Features two isolated 4-20mA outputs for pH/ORP and temperature signals.

Versatile Installation: Supports panel, wall, and pipe installation for flexible deployment.

CE & ISO9001 Certified: Manufactured by a high-tech enterprise with recognized quality certifications.

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: ≤7.34h 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:What communication protocol does this pH sensor support?

It supports RS485 transmission interface with Modbus RTU protocol, allowing connection to PLC controllers and host computers.

Q:What is the measuring range for pH and ORP?

The pH measuring range is -2.00pH to +16.00pH, and the ORP range is -2000mV to +2000mV.

Q:Is this device suitable for industrial applications?

Yes, it is widely used in thermal power, chemical, metallurgy, environmental protection, pharmaceutical, and food industries due to its stability and reliability.

Q:What are the power supply requirements?

The device operates on 90 to 260 VAC, 50/60Hz, with power consumption less than 4 watts.

Q:Does it support OEM or ODM services?

Yes, the manufacturer supports OEM and ODM services, leveraging over 20 years of R&D experience and 50+ patents.