High-Temp Fermentation pH Sensor
Steam-sterilizable electrode with polymerized solid electrolyte engineered for high-temperature fermentation broths and biopharma reactors.
China High-temp pH Sensor Fermentation Supplier
Flagship Instrumentation Series
High-Precision Analytical Sensors & Online Controllers
Manufactured under stringent ISO 9001 standards, aged 48 hours in-house, and designed for closed-loop industrial water intelligence.
Heavy-Duty 0-130℃ pH Sensor
Built to withstand thermal shock and aggressive acid/alkali environments in chemical processing without calibration drift.
Wholesale High Temp (0-130℃) pH Sensor Factory
0-130℃ Sensor with Temp Compensation
Combined electrode offering dual pH and real-time solution temperature data capture for automated algorithmic compensation.
China High Temp pH Sensor with Temp Supplier
S8 Connector High-Temp pH Sensor
Features a robust S8/VP plug interface, allowing quick-disconnect maintenance during tight bioreactor turnaround schedules.
Wholesale High-temp S8 Connector pH Factory
pH5806 Flagship Process Electrode
Award-winning industrial sensor delivering unparalleled electrochemical stability across autoclave cycling and sanitization steps.
Explore pH5806 Process Sensor
DCA130 Online pH & EC Dual Analyzer
Simultaneous electrical conductivity, TDS, and pH monitoring on a single backlit controller with independent PID dosing relays.
View DCA130 Dual Channel Analyzer
SJG-2083CS Acid & Caustic Meter
Toroidal conductivity measurement eliminating electrode polarization in concentrated acids, NaOH, and aggressive CIP wash fluids.
View SJG-2083CS Concentration Meter
MPG-6099Plus Multi-Parameter Skid
Turnkey wall-mount system housing conductivity, TDS, turbidity, free chlorine, and pH with RS485 Modbus remote telemetry.
View MPG-6099Plus Multi-Channel Panel
Enterprise Verification
Audited Manufacturing Scale & Capabilities
Shanghai BOQU Instrument operates dedicated R&D campuses and cleanroom manufacturing across Kangqiao and Lingang, delivering repeatable accuracy across 100+ nations.
2007
Established in Shanghai
4,632m²
Cleanroom Floorspace
200+
Scientists & Engineers
100k+
Annual Instrument Output
100+
Export Destinations
2,000+
Global Industrial Clients
Macro-Industry Solutions
Global Commercial & Industrial Landscape for TDS & Conductivity
In modern high-efficiency manufacturing, ionic concentration quantification is not merely a monitoring task—it is a vital pillar of asset life extension, heat rate preservation, and environmental compliance.
Thermal & Nuclear SWAS Systems
Sub-ppb cation conductivity measurement prevents catastrophic boiler tube cracking, scale accumulation on turbine blades, and thermal efficiency losses in power generation.
- Specific conductivity <0.055 µS/cm limit tracking
- Cation column acid degradation detection
- Automated degassed cation conductivity analysis
Semiconductor & UPW Purification
Advanced fab lines require continuous monitoring down to theoretical pure water limits (18.2 MΩ·cm resistivity at 25°C), guarding against ionic contaminant breakthrough.
- High-precision cell constant K=0.01 cm⁻¹ electrodes
- Dynamic temperature matrix algorithms
- Seamless connection to fab SCADA & MES platforms
Zero Liquid Discharge (ZLD) Systems
High-salinity brine crystallizers and reverse osmosis concentration loops require toroidal electrodeless conductivity meters capable of measuring up to 2,000 mS/cm without polarization.
- PEEK and PVDF chemically inert flow sensors
- Complete resistance to heavy scale coatings
- Mass balance calculation for salt recovery
Localized Application Engineering
Engineered for Regional Water Chemistry Demands
From desalinated marine feedstocks in the Middle East to deep-well brackish aquaculture loops in Southeast Asia, BOQU sensors deliver site-calibrated reliability.
Biopharma Fermentation CIP
Automated conductivity detection distinguishes water rinsing phases from active caustic/acid dosing cycles, reducing validation time and water consumption under FDA and GMP frameworks.
Controlled-Environment Ag
Precision dual EC/pH telemetry ensures exact nutrient availability in closed recirculating deep-water and aeroponic vertical farms, preventing root burn and nutrient lockout.
SWRO Desalination Plants
Monitors intake salinity spikes, membrane rejection efficiency, and permeate drinking water remineralization, protecting membranes from premature scaling.
Municipal Discharge Monitoring
Rugged online transmitters paired with automated telemetry enforce compliance with municipal effluent discharge permits, logging continuous verifiable data.
Engineering Matrix
Technical Specification & Sensor Selection Guide
Selecting the optimal cell constant (K-factor) and measurement topology is critical to prevent polarization error and guarantee long-term repeatability.
| Electrochemical Topology | Cell Constant (K) | Dynamic Measuring Range | Ideal Industrial Medium | Fouling Resistance | Standard Communications |
|---|---|---|---|---|---|
| 2-Electrode Stainless / Titanium | K = 0.01 cm⁻¹ | 0.01 µS/cm – 20 µS/cm | WFI, Boiler Feedwater, SWAS Condensate | Low (Pure Media Only) | RS485 Modbus RTU / 4-20mA |
| 2-Electrode Platinum Black | K = 0.1 – 1.0 cm⁻¹ | 0.5 µS/cm – 2,000 µS/cm | Drinking Water, RO Permeate, Cooling Towers | Moderate (Occasional Clean) | HART / RS485 / 4-20mA |
| 4-Electrode Extended Range | K = 0.5 – 1.0 cm⁻¹ | 10 µS/cm – 200 mS/cm | Industrial Effluent, Brackish Water, RAS | High (Compensates Coatings) | RS485 Modbus / 4-20mA / Dual Relay |
| Toroidal Inductive (Electrodeless) | Non-Contact Core | 100 µS/cm – 2,000 mS/cm | Concentrated H₂SO₄, NaOH, Brine, Mining Slurries | Immune to Polarization & Sludge | Profibus DP / RS485 / Cloud Gateway |
Compliance & Global Assurance
Localized Support & International Standards Compliance
Our instruments conform with premier international analytical standards, streamlining site commissioning, factory acceptance testing, and regulatory approvals.
Standard Method Compliance
Factory calibration and measurement architectures align with ASTM D1125, ISO 7888, and EPA Method 120.1, guaranteeing that online readings match regional regulatory lab verification assays.
Audited Factory Traceability
Every BOQU analyzer is accompanied by individualized NIST-traceable buffer calibration records and factory FAT documentation, facilitating expedited commissioning across EPC projects.
Global Spare Parts & Engineering
With strategic integration hubs across Southeast Asia, the Middle East, Europe, and the Americas, BOQU maintains guaranteed dispatch schedules for replacement electrodes, flow cells, and boards.
Roadmap & Innovation
Analytical Technology Roadmap & AI-Driven Future
The transition from isolated analog instrumentation to predictive, self-healing IoT sensor networks defines BOQU’s active research initiatives.
Electrochemical Impedance AI
Next-gen transmitters monitor real-time electrode surface polarization impedance, detecting biofilm deposition and warning maintenance crews days before data compromise occurs.
Edge Telemetry & MQTT Cloud
Direct NB-IoT, 4G-LTE, and LoRaWAN transmission options integrate seamlessly into centralized distributed municipal networks, removing the necessity of independent PLC enclosures.
Multi-Ion Characterization
Combining physical high-frequency conductivity with machine learning models to deconvolve complex ionic species in real time, delivering estimated individual ion concentrations.
Procurement & Technical FAQ
Questions Overseas Buyers Ask Before Specifying
Verified technical and commercial insights directly from BOQU’s application and export engineering departments.
Is Shanghai BOQU Instrument a verified manufacturer or a trading reseller?
BOQU is a true manufacturer founded in Shanghai in 2007. We produce electrochemical sensors, electronics assemblies, optical systems, and finished online analyzers entirely across two modern facilities in Kangqiao and Lingang, covering 4,632 m² of specialized production floorspace with over 200 dedicated staff members and an annual capacity exceeding 100,000 instruments.
How does an online conductivity meter calculate Total Dissolved Solids (TDS)?
Conductivity meters measure total electrical conductance of free ions in solution (expressed in µS/cm or mS/cm) and multiply this value by a selectable empirical conversion factor (typically 0.50 to 0.70, standard default 0.65 for NaCl-dominated waters) to determine TDS in mg/L (ppm). BOQU transmitters feature customizable non-linear conversion curves to mirror site-specific chemical profiles accurately.
What certifications validate BOQU instruments for international projects?
Production operations adhere strictly to ISO 9001:2015 and ISO 14001:2015 environmental standards. All exported analyzers carry official CE conformity (EMC and LVD directives), RoHS compliance, and third-party audit reports from SGS. Our flagship high-temperature pH sensor series has additionally earned the prestigious Shanghai Brand certification.
When should an inductive (toroidal) sensor be selected over contacting electrodes?
Inductive toroidal sensors (such as our SJG-2083CS series) measure conductivity via magnetically induced currents without metallic contact with the solution. They are the mandated engineering choice for high-salinity solutions (>2 mS/cm up to 2,000 mS/cm), strong chemical dosing lines (0-30% HCl, NaOH, H₂SO₄), wastewater slurries, or oils that foul traditional metal electrodes.
What signal outputs and SCADA protocols do your transmitters support?
Standard controllers provide dual optically isolated 4-20mA current loops, high/low configurable relay alarms, and digital RS485 Modbus RTU telemetry. Furthermore, our standalone IoT digital sensors output RS485 Modbus directly from the sensor body, enabling immediate integration with PLCs, remote telemetry units (RTUs), and cloud gateways without requiring an external controller panel.
Do you support OEM / ODM private labeling for system integrators and brands?
Yes. Backed by our specialized in-house R&D and PCB manufacturing facilities, BOQU offers turnkey OEM/ODM services, including customized CNC housing designs, private-label silk-screening, bespoke cable lengths and connector interfaces (S8, VP, IP68 PG threads), customized firmware menus, and specialized communication protocol tailoring.
Complete System Catalog
Integrated Water Quality Monitoring Portfolio
Pair high-performance conductivity and TDS analyzers with our field-proven dissolved oxygen, turbidity, and high-temperature sensor assemblies.
High-Temp Pharma pH Sensor
Solid gel reference electrolyte prevents toxic contamination in delicate biopharma broth vessels during prolonged high-yield runs.
China High-temp pH Sensor Fermentation Supplier
Industrial 0-130℃ pH Sensor
Specialized high-temperature glass membrane maintains fast millivolt response times even under continuous caustic sterilization exposures.
Wholesale High Temp (0-130℃) pH Sensor Factory
0-130℃ High-Temp Sensor with ATC
Built-in Pt100/Pt1000 element delivers rapid, high-accuracy temperature feedback directly to the analyzer for zero-drift compensation.
China High Temp pH Sensor with Temp Supplier
S8 Connector Process pH Sensor
Standard PG13.5 threading and waterproof S8 top connector designed for swift installation in standard stainless flow assemblies.
Wholesale High-temp S8 Connector pH Factory
pH5806 Industrial Sensor
The proven standard for high-temperature bioprocess monitoring, offering world-class resistance to thermal shock and electrolyte poison.
Explore pH5806 Process Sensor
DCA130 pH & EC Dual Controller
Space-saving panel mount analyzer that combines dual independent sensor inputs to cut instrumentation hardware costs in half.
View DCA130 Dual Channel Analyzer
SJG-2083CS Concentration Analyzer
Real-time concentration percentage readouts for nitric acid, sulfuric acid, and sodium hydroxide in demanding chemical plants.
View SJG-2083CS Concentration Meter
MPG-6099Plus Analyzer Skid
Pre-commissioned multi-parameter monitoring panel housing flow cells, sensors, transmitter, and automated data logger ready for instant start-up.
View MPG-6099Plus Multi-Channel Panel