Precision-engineered for biopharma bioreactors, harsh petrochemical pipelines, and critical municipal treatment infrastructures. Fully calibrated with 48-hour pre-shipment aging.
Specialized polymer gel electrolyte resisting poison ions in sanitary bioreactors and high-density cell cultures.
Engineered for extreme thermal cycling and volatile chemical synthesis with high alkaline error resistance.
Universal PG13.5 threaded housing and standard S8 plug, allowing direct drop-in integration with global bioreactor loops.
Built-in Pt100/Pt1000 RTD sensor ensuring dynamic real-time Nernst slope temperature compensation across aggressive swings.
Flagship industrial pH electrode featuring patented solid polymer electrolyte for sanitary sterile bioprocessing lines.
Polarographic dissolved oxygen electrode built to endure frequent high-temperature SIP sterilization protocols without signal loss.
Microprocessor-embedded digital electrode outputting direct RS485 Modbus RTU protocol, negating external analog transmitters.
Near-infrared 860nm scattered light sensor engineered for continuous TSS and turbidity detection with self-cleaning wipers.
In-line electrochemical sensing faces escalating operational challenges from aggressive chemical environments, biofouling, and thermal stresses. Here is how modern manufacturing overcomes signal poisoning.
Conventional glass membranes suffer rapid ion depletion and elevated micro-cracking when exposed to recurring 121℃/130℃ steam-in-place (SIP) cycles. Our R&D glass matrices preserve linear Nernstian sensitivity through reinforced lithium-barium formulations.
Industrial waste streams bearing heavy sulfides, cyanides, and organic proteins infiltrate porous ceramic diaphragms, causing Ag/AgCl reference silver precipitation and severe zero-point potential drifting.
High-impedance analog mV signals transmitted over long distances suffer from variable-frequency drive (VFD) interference. BOQU's direct IoT digital architecture encodes calibration metrics directly at the sensor head.
Transparent tiered volume structures for distributors, system integrators, and plant engineers. Custom cabling, private-label branding, and process fitting adaptations available.
| Model / Product Series | Core Sensor Architecture | Temperature & Pressure Rating | Connector & Output Protocol | MOQ (Tier 1: 10-49 Pcs) | Wholesale Tier (50-199 Pcs) | Enterprise Tier (200+ Pcs) |
|---|---|---|---|---|---|---|
| pH5806 Series Biopharma Fermentation |
Solid gel polymer electrolyte, low-alkaline error glass, dual diaphragms | 0–130℃ / Up to 6 Bar | Standard S8 / VP6 Plug (PG13.5) | $115 – $145 | $85 – $105 | Contact for OEM Quote |
| IOT-485-pH Series Smart Digital pH Electrode |
Embedded low-power MCU, pre-calibrated memory, Teflon porous junction | -10–80℃ / Up to 4 Bar | RS485 Modbus RTU (Direct to PLC/SCADA) | $95 – $120 | $70 – $88 | Contact for OEM Quote |
| pH-Temp Hybrid (Pt100) Chemical Neutralization |
Integrated Pt100/Pt1000 RTD element, heavy-duty annular ceramic reference | 0–110℃ / Up to 6 Bar | Stripped Leads / BNC + Temperature | $80 – $105 | $58 – $72 | Contact for OEM Quote |
| pHG-2081Pro Kit Industrial Transmitter & Probe |
Complete package: Wall/Panel Mount IP65 analyzer paired with industrial probe | -20–60℃ Ambient / Probe 130℃ | Isolated 4–20 mA, Dual Relays, RS485 | $260 – $320 | $195 – $235 | Contact for OEM Quote |
| DCA130 Dual Channel pH + Conductivity Combo |
Dual-parameter analyzer unit managing simultaneous pH and EC loop tracking | Process Dependent | Dual 4–20mA, Modbus RTU, Relays | $340 – $410 | $265 – $310 | Contact for OEM Quote |
* Note: Prices are indicative EXW Shanghai in USD. Volume contracts, customized immersion/insertion sheaths, and OEM labeling will receive detailed formal quotes.
From extreme bioreactor agitation to low-conductivity steam condensation loops, BOQU Sensor De Ph instruments deliver uncompromising accuracy where standard glass fails.
Applied extensively in Indian and Russian active bioprocessing pipelines. During recombinant protein and antibiotic biosynthesis, broth pH drifts from nutrient feeding. Our sensors survive consecutive 121℃ SIP cycles without recalibration downtime.
Ultra-pure boiler feedwater in power plants exhibits virtually zero electrical conductivity (<0.1 µS/cm), destabilizing liquid junction potentials in standard electrodes. BOQU flow-through micro-electrolyte cells ensure trace pH stability.
Operating across automated industrial parks throughout Southeast Asia (compliant with Vietnam QCVN 40:2011/BTNMT standards). Heavy suspended solids and oil emulsions are repelled by open-pore annular polymer interfaces.
By eliminating third-party component markups and controlling every production node within Shanghai, BOQU delivers uncompromised Swiss-grade accuracy at scale.
Raw specialized glass formulations are blown and shaped within our Kangqiao facility. Internalizing thermal glass annealing eliminates the 12-week lead times common in European supply chains.
Our Lingang factory runs surface-mount SMT pick-and-place lines for all digital transmitters and microprocessor sensor heads, guaranteeing full impedance matching and isolated signal circuits.
Every single batch of Sensor De Ph electrodes undergoes high-temperature water bath stabilization and reference drift calibration to catch infant mortality before overseas sea/air transit.
From custom laser-etched distributor branding to bespoke cable harnesses, Modbus registers, or PVDF body extrusions, our mechanical engineering team delivers prototypes in under 10 business days.
Addressing the limits of classic liquid-junction glass electrodes. Transitioning towards non-glass solid-state ISFET architectures, self-healing polymers, and predictive AI telemetry.
Integration of polymerized, cross-linked gels with non-fouling fluoropolymer diaphragms. Expansion of high-temperature tolerance to 135℃ for harsh SIP cycles.
Embedded microchips monitoring dynamic glass impedance and reference boundary potential in real-time to alert operators 200 hours before failure occurs.
Solid-state Ion Sensitive Field Effect Transistors manufactured on silicon substrates. Eliminates glass breakage risks in hygienic food, dairy, and beverage production lines.
Integrated microfluidic buffer chambers providing zero-touch on-line calibration, combined with ultra-low-power NB-IoT and LoRaWAN long-range telemetry.
Deploy our water analysis systems with complete confidence. Every unit satisfies strict global industrial and environmental import requirements.
Production is strictly governed under dual international management systems, ensuring total batch traceability from glass melt chemistry to final calibration test records.
Comprehensive electromagnetic compatibility (EMC) testing and CE industrial compliance guarantees seamless integration near high-voltage motor drives and pump stations.
With factory-trained support partners spanning Europe, Southeast Asia, South America, and the Middle East, we provide rapid commissioning, calibration kits, and spares.
Expand your analytical loops with our industrial controllers, high-temperature transmitters, and optical absorption platforms.
Monitor pH and electrical conductivity on one controller, ideal for hydroponics, RO pretreatment, and cooling towers.
Complete wall-mounted integrated panel system combining pH, residual chlorine, turbidity, and conductivity loops.
High-precision transmitter delivering isolated 4-20mA and RS485 outputs for closed-loop chemical neutralization dosing.
Toroidal electrodeless conductivity-based concentration tracking for acid, caustic, and regeneration rinse channels.
Amperometric constant-voltage analyzer delivering reagent-free continuous tracking of free chlorine and hypochlorite.
Trace-level colorimetric SWAS analyzers protecting supercritical boiler tubes and turbine stages from silica scaling.
UV-persulfate catalytic wet oxidation system engineered for pharmaceutical purified water (WFI) and microelectronics loops.
Automated wet-chemistry digestion analyzers with onboard self-cleaning, automatic calibration, and regulatory data transmission.
Detailed answers addressing calibration intervals, high-temperature degradation, Modbus protocol registers, and custom OEM manufacturing.
Our high-temperature models (such as pH5806) integrate proprietary high-viscosity solid polymer electrolyte cartridges pressurized to 6 bar, preventing broth back-flow. Combined with lithium-barium low-impedance glass membranes, they withstand continuous thermal shock up to 130℃ without slope degradation.
BOQU IOT-485-pH digital sensors output native RS485 Modbus RTU at programmable baud rates (9600/19200 bps). Standard cable length is 5 meters or 10 meters, easily extended up to 1,200 meters without signal loss or requiring external signal boosters.
Yes. We provide complete OEM/ODM production including silk-screen logo printing, custom laser-etched stainless steel or PPS bodies, custom process threads (PG13.5, 3/4" NPT, Tri-Clamp), and dedicated Modbus register address maps to mirror legacy third-party transmitters.
For municipal effluent, bi-monthly two-point buffer calibration (pH 4.01 and 7.00 or 10.01) is typically adequate. For heavy electroplating, paint shop, or biological sludge applications, monthly cleaning in 3% HCl and recalibration is recommended to maintain <0.02 pH repeatability.
