What communication interfaces are available?

The meter includes a 4-20mA isolated output and RS485 communication interface (selection).

Online pH Controller Meter

Name: Online pH Controller Meter
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 846995675

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

US$1.00-150.00

1 Piece

Product profile

Customization

Available

After-sales Service

Provided

Warranty

Provided

Model NO.

PHG-2091

Display

Needle

Portable

Non Portable

Appliance

Medical Research

Certification

ISO9001, CE

Measuring Range

0~14.00pH

Transport Package

PP Bag /Paper Box/Sponge/Seaworthy Box

Specification

SGS

Trademark

BOQU

Origin

Shanghai, China

HS Code

90278099

Production Capacity

3200PCS/Month

Key features

High Precision Measurement: Precision of 0.05pH with resolution of 0.01pH for accurate industrial control.

Advanced Technology: Features high-performance CPU, US TI chips, and SMT technology for stability.

Dual Output Capability: Provides 4-20mA isolated current output and ON/OFF relay output for control.

Strong Interference Immunity: Uses optoelectronic isolating technology for reliable long-distance transmission.

Flexible Alarm Settings: Discretionary setting of upper and lower thresholds with lagged cancellation.

Compact Industrial Design: 96x96mm world-class shell with 90% parts from world-famous brands.

Comprehensive Warranty: Provides warranty coverage and after-sales service for all units.

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: ≤7.42h 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.