Online Residual Chlorine Analyzer
Continuous amperometric free chlorine detection with auto-temperature compensation. Configured with dual dosing relays for swimming pools.
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Engineered for Water Quality Compliance
Online Analyzers & Precision Aquatic Monitoring Systems
Every sensor is calibrated in-house, subjected to rigorous 48-hour burn-in testing, and integrated with industrial RS485 Modbus RTU telemetry to eliminate chemical overshoot in aquatic environments.
pH5806 High-Temp pH Sensor
Shanghai Brand certified glass composite electrode built for high-temperature thermal springs, hydrotherapy spas, and pressurized pipelines.
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DOG-208FA High-Temp DO Sensor
Precision polarographic dissolved oxygen sensor providing consistent aeration control in commercial aquatic bio-filters and public resorts.
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IOT-485-pH Digital Online pH Sensor
Direct RS485 Modbus RTU smart sensor, allowing seamless direct integration into PLC, SCADA, or cloud controllers without external transmitters.
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ZDYG-2088-01QX Turbidity Sensor
Infrared scattered-light optical sensor for water clarity and sand-filter breakthrough detection, featuring optional automatic wiper modules.
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DCA130 Online pH & EC Dual Analyzer
Dual-channel transmitter providing concurrent pH and electrical conductivity metrics for compact balance tank and dosing skid installations.
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MPG-6099Plus Multi-parameter Panel
Complete skidded station integrating free chlorine, pH, ORP, turbidity, and conductivity for commercial pool and municipal water works.
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pHG-2081Pro Online pH Analyzer
Rugged industrial controller featuring 4-20mA analog loops, programmable alarm thresholds, and relay triggers for acid/alkali feed pumps.
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Established Year
4,632
Factory Area (m²)
200+
Technicians & R&D
100,000+
Annual Instrument Output
100+
Export Nations
2,000+
Industrial Clients
Industry Intelligence & Search Quality Whitepaper
The Global Aquatic Infrastructure Landscape: Automation Imperatives
Modern commercial swimming pool, wellness resort, and competitive aquatic facility operators face unprecedented regulatory pressures to maintain microbiological disinfection while minimizing chemical by-products.
Disinfection By-Product Mitigation
Over-chlorination causes volatile chloramines, leading to eye irritation and respiratory discomfort. Automated online chlorine analyzers maintain free chlorine within 1.0–2.0 ppm tolerances without human intervention.
Energy & Chemical Efficiency
Direct coupling of intelligent pH and ORP controllers to variable speed circulation pumps reduces total operating power by up to 28% while extending the life cycle of multi-grade sand and glass filtration beds.
IoT Centralized Remote Telemetry
Enterprise water facilities demand consolidated monitoring. BOQU’s Modbus-enabled sensors integrate seamlessly into BACnet, SCADA, and cellular IoT gateways for real-time compliance logging.
Engineered Implementation Scenarios
Localized Applications & Specialized Operating Duties
From Olympic competition pools to thermal mineral hot springs, BOQU instrumentation solves complex chemical buffering and electrode poisoning challenges.
Commercial Resort Pools & Waterparks
High bather loads cause rapid chloramine surges and sharp pH drops. Utilizing BOQU online residual chlorine analyzers and pHG-2081Pro transmitters maintains biocidal residual across variable peak-use bathing cycles.
Thermal Mineral Spas & Hydrotherapy
Elevated operating temperatures (38°C–50°C) and sulfur compounds degrade conventional electrodes. Our specialized pH5806 high-temperature sensors employ solid polymer electrolytes to resist poisoning and fouling.
Municipal & Competition Aquatic Centers
Strict FINA and public health compliance mandates continuous records of free chlorine (0.5–1.5 mg/L), pH (7.2–7.6), and water clarity. Multi-parameter panel MPG-6099Plus delivers continuous digital event logging.
Saltwater Chlorination & Marine Pools
High ionic conductivity causes reference drift in standard pH sensors. BOQU’s dual-junction reference designs with double salt bridges safeguard measurement accuracy in saline and marine aquatic setups.
Circulation Balance Tanks & Backwash Loops
Preventing filter blowouts requires precise turbidity monitoring. ZDYG-2088-01QX optical sensors identify filter media failure in balance tanks instantly, initiating backwash sequences automatically.
Skidded OEM Chlorination & Dosing Packages
For international pool engineering contractors building integrated dosing skids, BOQU provides full OEM/ODM white-label instrumentation, customized firmware, branded housings, and factory calibration protocols.
Direct Manufacturing Advantage
Chinese Supply Chain Resilience, Scalability & Direct Factory Value
Operating dual owned manufacturing plants in Pudong Kangqiao and Lingang Free Trade Zone, Shanghai BOQU delivers end-to-end industrial autonomy.
Vertical Integration Under One Roof
Unlike trading vendors or brand assemblers, we manufacture core glass electrode bulbs, formulate specialized polymer electrolytes, and run SMT PCB assembly lines in-house, eliminating component tier markups.
China’s First High-Temp Water Lab
Our dedicated high-temperature laboratory simulates extreme thermal, chemical, and pressure stress up to 130°C. Sensors undergo rigorous hyperbaric validation to guarantee lifetime longevity.
Rapid Delivery & Scalable Capacity
With an annual output exceeding 100,000 instruments, our lean manufacturing workflow ensures predictable dispatch timelines within 3 to 7 working days for standardized industrial water analyzer units.
Strategic Innovation Pipeline
Engineering Roadmap: Next-Generation Aquatic Sensor Architecture
Continuous investment in microfluidic analysis, solid-state electrochemistry, and AI predictive maintenance algorithms keeps our water monitoring platform at the global forefront.
Phase 1: Reagentless Sensing
Direct Optical Reagentless Chlorine Detection
Developing deep-UV absorption spectrophotometry to measure free and total chlorine without ongoing chemical reagents or membrane rebuild kits, slashing annual operating overheads.
Phase 2: Edge Diagnostic Intelligence
AI-Powered Sensor Drift Auto-Correction
Embedding localized neural edge processors within the IOT-485 series to analyze junction impedance, predict reference glass fouling, and automatically signal preventive recalibration cycles.
Phase 3: Autonomous Mesh Skids
Self-Calibrating Microfluidic Hubs
Engineered autonomous skids integrating standard solution micro-reservoirs that perform zero-offset and slope calibrations on schedule, achieving zero-maintenance operations for commercial pools.
Verified Global Standards
International Regulatory Compliance & Field Engineering Support
Every analyzer delivered from our Shanghai manufacturing lines meets the world’s most stringent electrical, safety, and chemical measurement standards.
ISO 9001 & ISO 14001
Certified quality management and green manufacturing protocols across Kangqiao and Lingang factories.
CE Mark & EMC Certified
Full European Union conformity verifying electromagnetic immunity, preventing false relay dosing near pool pumps.
SGS Third-Party Audited
Independently audited factory infrastructure ensuring physical plant traceability, ethical labor, and material purity.
Shanghai Brand Recognized
The pH5806 series holds official Shanghai Brand certification, affirming municipal technical leadership.
OEM Production Series
High-Temperature & S8 Sensor Manufacturing Series
Retaining our specialized high-temperature electrode catalog engineered directly at our Shanghai Kangqiao headquarters.
China High Temperature (0-130℃) pH Sensor With Temperature Wholesaler, Suppliers
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China High-temperature pH Sensor Used Pharmaceutical Fermentation Wholesaler, Supplier
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Technical & Procurement Clarifications
Frequently Asked Questions: Sourcing Swimming Pool Instrumentation from China
Straightforward answers regarding calibration stability, protocol compatibility, warranty coverage, and factory customization.
Is BOQU an original equipment manufacturer or an export trading intermediary?
BOQU is a true manufacturer founded in Shanghai in 2007. We design, machine, assemble, calibrate, and test our water analyzers across two owned facilities (Kangqiao and Lingang) covering 4,632 m² with 200+ dedicated staff and an annual output exceeding 100,000 units.
How do BOQU swimming pool sensors handle high combined chlorine and salinity?
Our swimming pool sensor series features specialized solid-polymer reference electrolytes, PTFE annular liquid junctions, and gold/platinum electrodes that prevent salt precipitation, reference poisoning, and false residual readings in saline or mineral pools.
What communication outputs are available for central building automation?
All BOQU analyzers provide standard isolated 4-20 mA outputs, dual programmable relay alarm contacts, and RS485 Modbus RTU telemetry. IoT digital sensor models connect straight to building management systems (BMS) or cloud gateways without secondary transmitters.
What OEM and custom private labeling capabilities does your factory provide?
We offer full OEM and ODM options, including customized front bezel branding, silk-screened logos, bespoke cable lengths, tailored pH/chlorine firmware measuring ranges, proprietary Modbus registers, and custom injection-molded probe bodies.
Can your sensors withstand high-temperature water duties such as spas and boilers?
Yes. BOQU operates China's first dedicated high-temperature water quality sensor laboratory. Sensors such as the pH5806 and DOG-208FA are built to endure continuous service temperatures up to 130°C and undergo repeated high-pressure steam sterilization without drift.
What technical data should be submitted for an exact aquatic equipment quotation?
Please specify your target parameters (e.g., pH, Free Chlorine, ORP, Turbidity), expected range, water salinity/temperature, pipe diameter/installation style (flow cell, immersion, or inline), desired output signals, and power supply (220VAC or 24VDC) for rapid engineering recommendations.
Comprehensive Factory Portfolio
Heavy-Duty Process, Nutrient & Multi-Parameter Analyzers
Explore our extended series of online wet-chemistry analyzers, trace element monitors, and industrial conductivity instruments designed for enterprise water networks.
SJG-2083CS Acid/Alkali Meter
Inductive toroidal conductivity technology for measuring clean-in-place (CIP) chemicals, acid wash concentration, and dosing skid control.
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Online Silicate / Phosphate Analyzer
Trace spectrophotometric analysis protecting high-pressure boilers, steam loops, and heat exchangers from scaling and pitting corrosion.
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TOC-3042 Online TOC Analyzer
Real-time catalytic oxidation determination of total organic carbon for pharmaceutical pure water and high-purity aquatic systems.
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Online COD / Ammonia / TP / TN Analyzer
Automated wet-chemistry colorimetric workstation engineered for regulatory compliance reporting on municipal effluent lines.
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S8 Connector High-Temp pH Sensor
Universal threaded S8 plug connection with high mechanical resistance for biopharma fermenters, hot pools, and pressurized vessels.
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High Temp (0-130℃) pH Sensor
Integrated Pt100/Pt1000 RTD temperature probe engineered to provide automatic Nernst slope compensation in thermal aquatic loops.
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Pharmaceutical Grade pH Sensor
Designed with pressurized gel electrolytes and anti-fouling porous diaphragms to guarantee sanitary reliability during continuous fermentation.
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Industrial High-Temp pH Sensor
Heavy-duty glass body electrode manufactured with reinforced glass bulbs to withstand hydraulic water hammer and abrasive particulate streams.
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Speak Directly with Factory Application Engineers
Ready to Upgrade Your Aquatic or Process Instrumentation?
Collaborate with BOQU's Shanghai technical team to configure robust swimming pool water analyzers, choose appropriate electrode materials, or build customized private-label dosing panels tailored to your market standard.