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High Accuracy Online Residual Chlorine Meter and Sensor
US$359.00-599.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
ProvidedWarranty
ProvidedModel NO.
CL-2059AResidual Chlorine
0-20.00mg/LTransport Package
Carton BoxSpecification
96*96*118Trademark
BOQUOrigin
Shanghai, ChinaHS Code
90278099Production Capacity
1500PCS/MonthKey features
Wide Application Scope: Ideal for thermal power, drinking water, pharmaceuticals, swimming pools, and industrial pure water monitoring.
Flexible Output & Alarm: Provides 4-20mA isolated output and configurable high/low alarms with independent parameter selection.
OEM/ODM Support: Manufacturer with 20+ years R&D experience and 50+ patents, supporting customized OEM and ODM services.
Quality Assurance: 100% OQC inspection before shipping with testing pictures and videos provided for verification.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-01-06 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.97h 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:Can this device be used for swimming pool monitoring?
A:
Yes, it is widely used for continuous monitoring of disinfection residual chlorine in swimming pools, drinking water, and industrial applications.
Q:What communication and output options are available?
A:
It features a 4-20mA current isolated output and optional RS485 communication for convenient computer monitoring and integration.
Q:Does the manufacturer support OEM or ODM services?
A:
Yes, the manufacturer has 20+ years of R&D experience and supports both OEM and ODM services for customized solutions.
Q:What quality control measures are in place before shipping?
A:
We perform 100% OQC (Outgoing Quality Control) for all products and provide testing pictures and videos before shipping.
Q:What are the installation dimensions and weight?
A:
Dimensions are 96(L) x 96(W) x 118(D) mm with a hole size of 92x92mm. The weight is 0.5kg.
Send Inquiry
*To:
Shanghai Boqu Instrument Co., Ltd.
Shanghai Boqu Instrument Co., Ltd.*Content:
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