Primary Instrumentation
Top Precision Sensing & Online Analytical Systems
Engineered in Shanghai under ISO 9001 quality management, featuring direct industrial bus protocols, anti-fouling glass formulations, and zero-calibration optical measurement channels.
Pharmaceutical Fermentation pH Sensor
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High Temperature (0–130℃) pH Sensor
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High Temp pH Sensor with PT1000 ATC
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pH5806 Flagship High-Temp Sensor
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DOG-208FA Dissolved Oxygen Sensor
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IOT-485-pH Smart Digital Sensor
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ZDYG-2088-01QX Turbidity & TSS Sensor
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Global Industrial Landscape
The Macro Landscape of Industrial Water Treatment & Instrumentation
Global water security, zero-liquid-discharge (ZLD) mandates, and rapid industrial digitization have fundamentally transformed the procurement dynamics of water quality instrumentation.
Cost Arbitrage to Quality Parity
Over the past decade, Chinese manufacturers have shifted from contract assembly to primary component mastery. Using high-purity lead-free Schott glass, Swiss diaphragms, and proprietary signal amplifiers, Tier-1 Chinese instrumentation now matches Tier-1 European specifications at 40% lower capital expenditure.
IoT Edge Migration
Traditional centralized transmitters are being phased out for smart RS485 Modbus RTU sensors. Embedded microprocessors handle temperature compensation, multi-point calibration curves, and electrode health diagnostics directly at the sensor tip, slashing panel wiring overhead.
Regulatory Pressure & ZLD
From the EU Industrial Emissions Directive to China’s GB 8978 effluent limits, real-time chemical tracking (COD, Heavy Metals, Ammonia) is legally tied to automated plant shutdown triggers, requiring continuous 99.5% instrumentation uptime and anti-drift resilience.
Procurement Benchmarking
China Water Treatment Equipment & Sensor Pricelist (2025–2026 Guide)
Accurate FOB Shanghai price bands compiled for procurement directors, EPC contractors, and system integrators evaluating commercial bids against technical performance criteria.
| Instrument Category | Typical Measurement Parameter | Material / Communication Spec | Indicative Price Range (FOB USD) | Typical Applications |
|---|---|---|---|---|
| High-Temperature pH / ORP Sensor | 0–14 pH, -2000 to +2000 mV, 0–130℃ | Glass body, S8/K8/VP connector, Teflon junction | $65 – $190 / unit | Biopharma Fermentation, Chemical Reaction vessels |
| Smart Digital IoT Sensor | pH, DO, Turbidity, Conductivity | RS485 Modbus RTU, PPS/Titanium Housing, IP68 | $110 – $320 / unit | Municipal Wastewater, Industrial IoT, Aquaculture |
| Industrial Multi-channel Transmitter | Dual Channel pH/EC or Multi-parameter | 4–20mA, Relays, RS485, IP65 Wall/Panel Mount | $180 – $480 / unit | RO Desalination, Cooling Tower Chemical Dosing |
| Optical Dissolved Oxygen (Fluorescence) | 0–20 mg/L (0–200% sat), Luminescence life | 316L SS / Titanium, No electrolyte required | $350 – $750 / unit | Aeration basin aeration control, RAS Fish farming |
| Online Residual Chlorine Analyzer | 0–5.00 mg/L Free Chlorine, pH compensated | Amperometric flow cell system, Constant voltage | $600 – $1,250 / set | Municipal Potable Water, Secondary Booster Stations |
| Trace SWAS Analyzer (Power Plants) | Silicate, Sodium, Phosphate, Hydrazine | Microfluidic colorimetry, auto-calibration module | $2,800 – $6,200 / unit | Subcritical & Supercritical Boiler Feedwater |
| Wet Chemistry Discharge Station | CODcr, TP, TN, NH3-N, Heavy Metals | Digestion reagent chamber, automatic optical read | $3,800 – $8,500 / unit | Environmental Outfall Regulatory Monitoring |
*Note: Volume tiered discounts (MOQ > 50 units) typically yield 15–25% savings. Custom cable runs, specific reagent recipes, and OEM brand laser-marking affect total quotation costs.
Factory Footprint & Verification
Shanghai BOQU: 18+ Years of Certified Instrument Manufacturing
Founded in 2007 in Pudong New Area, Shanghai. Fully integrated research, glassblowing, circuit surface-mount (SMT), automated robotic testing, and environmental burn-in calibration.
2007
Year Founded
4,632m²
Two Shanghai Plants
100,000+
Sensors Produced / Year
100+
Export Destinations
Dedicated High-Temperature Sensor Laboratory
BOQU houses the first specialized high-temperature water quality analytical laboratory in China. Sensors undergo continuous 130°C thermal oil immersion, dynamic pressure cycling up to 6 bar, and multi-stage 48-hour electrical aging before shipping.
Application Engineering
Macro Solutions Across Core Critical Process Sectors
Selecting water treatment analytical equipment requires matching media chemistry, fouling indexes, and installation ergonomics to the exact hydrodynamic profile.
Industrial Wastewater Treatment
Primary Focus: Discharge compliance and aeration power optimization.
Configured System: pHG-2081Pro for neutralization dosing control, ZDYG-2088-01QX optical wiper sensor for aeration basin MLSS, and automated wet-chemistry COD/TN/TP analyzers at outfalls.
Municipal Potable Water Systems
Primary Focus: Microbiological stability and low-level turbidity.
Configured System: MPG-6099Plus integrated bypass panel monitoring continuous Free Chlorine, Turbidity (0.001 NTU resolution), pH, and conductivity with cellular RTU transmission to central water works SCADA.
Thermal & Nuclear SWAS Loops
Primary Focus: Prevention of boiler tube pitting and silica deposition.
Configured System: Cationic & specific conductivity transmitters with high-precision flow cells, sub-ppb Dissolved Oxygen sensors, and trace Silicate/Sodium photometric analyzers.
Biopharma & Sterilization Lines
Primary Focus: Sensor survival across repeated 130°C SIP autoclaving.
Configured System: pH5806 and DOG-208FA with pressurized electrolyte reservoirs and specialized S8/VP connectors, preventing metabolic yield collapse in sterile bioreactors.
Intensive Aquaculture (RAS)
Primary Focus: Early hypoxic condition prevention and un-ionized ammonia tracking.
Configured System: Multi-drop RS485 digital optical DO sensors coupled with relay actuators to automatically spin surface aerators within milliseconds of DO dropping below 4.5 mg/L.
Hydroponics & Commercial Agriculture
Primary Focus: Root uptake efficiency via nutrient dosing balance.
Configured System: DCA130 Dual Channel pH & Electrical Conductivity (EC) controllers tied to peristaltic acid and A/B concentrate dosing pumps to prevent root necrosis.
R&D Outlook
Technology Roadmap: Next-Gen Water Treatment Instrumentation
Instrumentation is advancing rapidly from manual electrochemical maintenance to self-diagnostic, autonomous optical and solid-state platforms.
ISFET Solid-State pH Sensing
Transitioning from fragile glass membranes to Ion-Sensitive Field Effect Transistor (ISFET) silicon chips. These allow unbreakable sensing heads, food-grade compliance, and instantaneous thermal stabilization without wet storage limits.
UV-Vis Full Spectrum Analytics
Moving away from hazardous wet reagents toward full-spectrum UV-Vis xenon flash absorption. Real-time deconvolution algorithms measure COD, BOD, TSS, and Nitrate simultaneously with zero chemical consumables.
Predictive Electrode Diagnostics
Embedded sensor firmware monitoring reference impedance, glass membrane resistance, and slope degradation. Sensors alert technicians days before fouling happens, eliminating surprise process excursions.
Procurement & Technical Q&A
Frequently Asked Sourcing & Engineering Questions
Answers provided directly by Shanghai BOQU’s international technical service and manufacturing engineers.
Is Shanghai BOQU an original equipment manufacturer (OEM) or an intermediary trader?
Shanghai BOQU Instrument Co., Ltd. is a verified primary manufacturer founded in 2007. Operating two specialized facilities in Kangqiao and Lingang, Shanghai (spanning 4,632 m²), we handle in-house electrode glass blowing, optical spectrometer assembly, SMT circuit fabrication, and calibration. We produce more than 100,000 instruments annually.
What international quality certifications do your water quality instruments hold?
Our facilities operate strictly under ISO 9001 quality management and ISO 14001 environmental management frameworks. Our online analyzers carry CE conformity marks, FDA registrations for food/pharma contact components, and audited inspection verifications by SGS. Furthermore, our flagship pH5806 sensor has received the prestigious Shanghai Brand certification.
How do Chinese online analyzers integrate into existing Western SCADA or DCS platforms?
BOQU analyzers and sensors utilize open, non-proprietary industrial communications. All controllers feature galvanically isolated 4–20 mA analog outputs alongside standard RS485 Modbus RTU registers. Our digital IoT sensor line communicates directly with Siemens, Allen-Bradley, Yokogawa, and Schneider PLCs without requiring intermediate signal conditioners.
Can BOQU high-temperature sensors survive repeated SIP (Steam-in-Place) sterilization?
Yes. Our high-temperature sensors (such as the pH5806 and DOG-208FA) use high-temperature polymer reference gels and pressurized chambers designed specifically for clean-in-place (CIP) and steam-in-place (SIP) conditions up to 130°C at 4–6 bar pressure, avoiding electrolyte depletion or diaphragm blowout.
What commercial and technical terms are standard for international OEM/ODM projects?
We provide comprehensive private-label branding, customized enclosure moldings, custom Modbus registers, tailored process connection threads (NPT, PG13.5, Tri-clamp), and specific cable lengths. Standard lead times range from 3 to 7 working days for catalog units and 2 to 4 weeks for specialized OEM configurations.
Process Ready Fleet
Complete Online Monitoring Controllers & Multi-Parameter Panels
Full modular analytical instrument stations ready for rapid panel commissioning, field calibration, and continuous remote process reporting.
DCA130 Dual Channel pH & EC Analyzer
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MPG-6099Plus Multi-Parameter Panel
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pHG-2081Pro Industrial pH Controller
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SJG-2083CS Acid & Alkali Concentration
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Online Residual Chlorine Analyzer
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Power Plant SWAS Trace Analyzer
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TOC-3042 Online TOC Analyzer
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