Enterprise-grade electrochemical sensors, IoT smart electrodes, and online water analysis systems engineered by Shanghai BOQU Instrument for high-temperature fermentation, power SWAS, and continuous industrial process control.
Manufactured under strict ISO 9001/14001 guidelines with 48-hour aging and factory-certified calibration routines.
Engineered for high-temperature process vessels and steam sterilizations, featuring universal PG13.5 threading and durable S8 coaxial connectors.
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Designed with pressurized polymer gel electrolytes and multi-porous ceramic diaphragms to resist poisoning in hot, volatile media.
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Incorporates an embedded Pt100/Pt1000 RTD element inside the glass electrode for zero-latency automatic temperature compensation (ATC).
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Complies with cGMP and FDA requirements, certified to endure over 50 consecutive autoclavings without measurement baseline drift.
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Awarded official Shanghai Brand certification; features specialized dual-junction glass chemistry for industrial fermenters and bioreactor tanks.
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Electrochemical polarographic DO electrode engineered for high-temperature aeration lines, biopharma reactors, and continuous sterile monitoring.
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Integrated microprocessor allows direct connection to SCADA, DCS, or PLC systems via standard Modbus RTU protocol without secondary transmitters.
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Infrared scattered-light optical sensor for continuous turbidity and TSS tracking, equipped with an optional mechanical wiper to eliminate bio-fouling.
Sensor SpecsHow state-of-the-art glass formulation, localized cleanroom manufacturing, and automated metrology are redefining reliability standards in industrial water analytics.
The Operational Reality of Sensore pH Deployments: Traditional industrial pH measurement fails not due to circuitry errors, but electrolyte depletion, diaphragm clogging, and glass impedance shifts under thermal stress. Shanghai BOQU Instrument's manufacturing center operates China's dedicated high-temperature analytical sensor lab to test electrochemical sensors against rigorous thermal cycling (0-130°C) and aggressive chemical matrices before field delivery.
Our Kangqiao and Lingang workshops blow high-impedance, low-alkaline-error glass bulbs capable of operating across pH 0–14 up to 130°C without mechanical rupture or phase crystallization.
Utilizing pressurized polymer gel electrolytes combined with annular porous Teflon and ceramic diaphragms, eliminating the common reverse-osmosis poisoning caused by high process line pressures.
Smart Sensore pH designs embed signal conditioning circuits inside the sensor body, transmitting digital RS485 Modbus RTU packets over standard twisted pair cables up to 500 meters without degradation.
Year Founded in Shanghai
Two Advanced Facilities
Annual Instrument Output
Countries & Export Regions
Why procurement teams, instrumentation engineers, and EPC contractors are consolidating electrochemical sensor supply chains with tier-1 Chinese manufacturers.
Electrochemical pH sensors are consumable assets subject to drift and chemical fouling. Sourcing direct from Shanghai BOQU lowers recurring replacement expenditures by 40–60% compared to legacy European vendors while matching ISO 9001 quality standards.
Modern plants are decommissioning obsolete 4-20mA analog loop converters in favor of Modbus RS485 and wireless edge gateways. BOQU's IOT-485 digital sensors provide local signal digitization, internal calibration memory, and direct PLC telemetry.
Engineering distributors require flexible mechanical housings, bespoke insertion cable lengths, customized immersion assemblies, and tailored firmware registers. BOQU's dedicated R&D team executes private label projects with rapid turnaround times.
System matrix to assist process engineers in specifying the correct junction, electrolyte, and body mechanics for site conditions.
| Application Scenario | Process Conditions | Recommended Electrode Type | Junction & Electrolyte System | Communication Protocol |
|---|---|---|---|---|
| Biopharma Fermentation | 0–130°C, 0–4 bar, Repeated SIP/CIP | pH5806 High-Temp Glass Electrode | Polymer gel, pressurized dual porous ceramic | RS485 Modbus / Analog 4-20mA |
| Wastewater Neutralization | 0–80°C, Aggressive sludges, Fluctuation | Industrial Flat-Glass or Bulb Sensor | Annular PTFE diaphragm to resist bio-fouling | pHG-2081Pro Controller / 4-20mA Relays |
| Thermal Power SWAS | Ultra-pure feedwater, Low conductivity | High-Purity Flow-Through pH Electrode | Liquid KCl refillable electrolyte, grounding sleeve | Online SWAS Multi-Parameter Bus |
| Chemical CIP & Dosing | Strong acid/alkali swings, 0–100°C | Heavy-Duty Antimony or Heavy Glass | Solid gel reference, double salt-bridge chamber | SJG-2083CS Concentration Controller |
| Smart Hydroponics / RAS | 0–50°C, Continuous low-flow immersion | IOT-485-pH Digital Sensor | Standard gel, porous ceramic diaphragm | Direct RS485 Modbus RTU to Cloud/PLC |
Field-proven continuous water monitoring equipment installed across over 2,000 global enterprise facilities.
Monitors pH and electrical conductivity simultaneously on a single controller, saving panel enclosure footprint in RO loops and hydroponics.
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Modular wall-mount panel system tracking pH, residual chlorine, conductivity, turbidity, and temperature in clean municipal water supply grids.
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Rugged industrial transmitter equipped with dual 4–20 mA isolated loops, RS485 communication, and dual relay alarms for dosing valve automation.
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Inductive toroidal conductivity meter designed to quantify percentage concentration of caustic soda (NaOH), sulfuric acid, and CIP chemicals.
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Constant-voltage amperometric measurement method ensuring steady free-chlorine and hypochlorous acid monitoring without reagent replenishment.
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Trace spectrophotometric analysis protecting thermal power turbines and high-pressure steam boilers against costly silica deposition and corrosion.
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UV persulfate oxidation method measuring trace organic compounds in pharmaceutical WFI (water for injection) and semiconductor ultra-pure systems.
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Automated wet-chemistry environmental discharge monitor, engineered for autonomous standard addition calibration and official regulatory compliance.
View SpecsClear, unvarnished guidance from our senior electrochemistry engineers and international export team.
