Industrial Grade Electrochemistry

China Residual Chlorine Electrode Manufacturer & Pricelist

Engineering Whitepaper & B2B Procurement Index: Real-Time Potentiostatic & Membrane-Covered Amperometric Sensor Solutions for Global Disinfection Monitoring

< 30s
T90 Response Rate
100,000+
Annual Instrument Output
40-60%
Direct Factory CAPEX Cut
ISO9001/CE
Certified Quality Audited
Primary Instruments Catalog

Featured Electrochemical Sensing Systems

Engineered in our Shanghai Kangqiao and Lingang smart facilities, these certified precision sensing instruments satisfy stringent municipal drinking, power station water treatment, and biopharmaceutical process requirements.

Global Industrial Outlook

Current Commercial Landscape & Technological Evolution

Residual chlorine electrodes constitute the vital sensory feedback loop for global public health defense, biocidal regulation, and clean-in-place compliance.

Stringent Global Standards

The World Health Organization (WHO), US EPA, and European Drinking Water Directive (EU 2020/2184) mandate free residual chlorine limits between 0.2 and 0.5 mg/L at delivery points. Regulatory pressure necessitates real-time, reagentless online electrodes to eliminate bacterial regrowth while preventing disinfection byproduct (DBP) formation like carcinogenic trihalomethanes (THMs).

Potentiostatic vs. DPD Shift

Traditional colorimetric DPD (N,N-diethyl-p-phenylenediamine) analyzers carry high recurring OpEx due to constant reagent replacement, tube degradation, and toxic chemical waste output. Modern industrial installations systematically transition toward three-electrode potentiostatic amperometric sensors, offering zero consumable cost, continuous sub-second response, and multi-year life spans.

Supply Chain Realignment

Original European and North American instrumentation brands often command massive procurement markups ($1,800 to $4,500 per node). China's advanced manufacturing clusters—spearheaded by Shanghai BOQU Instrument's 4,632 m² Kangqiao and Lingang cleanrooms—now deliver equivalent platinum/gold electrochemical reliability at 40-60% reduced overall CAPEX with faster OEM delivery windows.

Factory Wholesale Pricing Table

Industrial Residual Chlorine Electrode Pricelist Matrix

B2B reference pricelist for municipal water authorities, skid manufacturers, and system integrators. Tiered FOB Shanghai rates subject to volume discounts and custom private-label specifications.

Model Category Electrochemical Architecture Measurement Range Operating Specs MOQ Wholesale Reference (FOB)
CL-2059-01
Constant-Voltage Classic		 Dual-Platinum Bare Electrode (Potentiostatic 3-Electrode Option) 0.005 – 20.00 mg/L (ppm) 0 – 50℃, < 0.3 MPa, pH 6.0 – 8.5 Auto-Compensated 1 Unit $180 – $320 / Unit
CL-2059A-P
Digital Membrane Type		 Membrane-Covered Polarographic with Micro-Electrolyte Chamber 0.01 – 10.00 mg/L (ppm) 0 – 45℃, pH Independent with Surfactant Shielding 2 Units $240 – $410 / Unit
DCL-485-CL
IoT Smart Digital Electrode		 Integrated Direct RS485 Modbus RTU Signal Processor 0.001 – 5.000 mg/L / 0-20 mg/L Standard IP68, 12-24V DC Direct Powered, Modbus RTU 5 Units $210 – $360 / Unit
CLO-3000-HT
High-Temp / Acid Sanitizing		 Reinforced PEEK Body with Viton Diaphragm Seal 0.05 – 50.00 mg/L Chlorine Dioxide/Free Cl Up to 85℃ Hot Wash CIP, Resists Aggressive Oxidants 2 Units $350 – $580 / Unit
MPG-6099CL Skid
Integrated Flow-Cell System		 Turnkey Acrylic Flow Cell + De-bubbler + pH + Cl Sensor 0.00 – 10.00 mg/L + pH 0-14 Complete Panel with 4-20mA & Relay Alarm Controller 1 Set $850 – $1,450 / System

*Volume orders > 50 units qualify for extended OEM white-label casing, customized cable runs, and tailored firmware registers.

Macro Industrial Deployments

Critical Municipal & Enterprise Application Scenarios

How high-stability chlorine measurement electrodes solve operational failure points across high-stakes industrial environments.

Municipal Potable Water Grids

Ensuring residual protection throughout distribution piping while keeping water compliant with WHO health guidelines. BOQU potentiostatic chlorine systems integrate directly with booster dosing pumps, eliminating flow fluctuations via pressure-stabilized constant-flow acrylic cells.

Power Generation SWAS & Cooling Towers

Thermal and nuclear cooling circuits utilize chlorine biocide to suppress microbiological fouling and Legionella outbreaks. Our electrodes withstand harsh high-salinity circulating loops without galvanic poisoning, ensuring turbine condensing efficiency.

Food, Beverage & Biopharma Washwater

Produce sanitization wash tanks and CIP rinse loops demand zero chemical residue variance. Integrated RS485 digital sensors log continuous sanitizer ppm directly into SCADA systems, satisfying HACCP and FDA traceable hygiene mandates.

R&D Horizon

Technology Roadmap: Next-Gen Chlorine Instrumentation

Shanghai BOQU Instrument's multi-year innovation vector toward maintenance-free autonomous electrochemistry.

Phase 1: Present Core

Potentiostatic 3-Electrode

Reference-stabilized bare platinum rings with automated hydraulic micro-bead cleaning to stop biofilm fouling on active surfaces.

Phase 2: Scale Rollout

Edge-AI pH Compensation

On-sensor dynamic equilibrium calculation (HOCl vs. OCl⁻ shift) executing inside the probe head without external transmitter processing latency.

Phase 3: Active R&D

Solid-State Micro-Cavities

Ceramic micro-porous junction electrodes eliminating fluid electrolyte maintenance, designed for high-vibration skids and marine ballast duty.

Phase 4: Future Horizon

Self-Calibrating IoT Chips

On-chip electrochemical impedance spectroscopy (EIS) detecting electrode degradation and automatically re-zeroing baseline drift over NB-IoT networks.

Expert Engineering Inquiries

Residual Chlorine Measurement Technical FAQ

Practical troubleshooting and specification guidance compiled by BOQU senior application engineers.

Why is dynamic pH compensation critical for free chlorine measurement?

Free residual chlorine exists in aqueous solution as hypochlorous acid (HOCl) and hypochlorite ions (OCl⁻). HOCl provides up to 80 times stronger bactericidal efficacy and reacts at electrochemical cathodes far faster than OCl⁻. Because the ratio shifts drastically between pH 6.5 and 8.5, an uncompensated electrode experiences huge read errors. BOQU transmitters simultaneously read pH and apply non-linear algorithmic compensation.

What is the key operational difference between bare and membrane electrodes?

Bare electrode potentiostatic sensors directly contact the liquid sample, offering lightning-fast response (<30s) and zero membrane replacement costs. However, they require stable flow rates (>30 L/h). Membrane-covered sensors utilize a microporous PTFE/PVDF barrier and internal electrolyte, making them insensitive to sample flow rate and surfactants, though requiring routine electrolyte top-offs.

How does Shanghai BOQU assure batch accuracy and prevent sensor drift?

All electrode sensor assemblies undergo a mandatory 48-hour continuous burn-in polarization in our Lingang cleanroom facility. Electrodes are multi-point calibrated against primary analytical standards in temperature-controlled hydraulic loops, ensuring strict slope accuracy and baseline stability before final export packaging.

Can BOQU sensors directly link to SCADA/DCS systems without extra transmitters?

Yes. Our DCL-485 series IoT digital sensors embed high-precision analog-to-digital processing within the probe housing. They broadcast RS485 Modbus RTU signals directly over distances up to 1,200 meters into your PLC, DCS, or remote telemetry units (RTUs), dramatically cutting control panel footprints.

Verified Instrumentation

Complete Process Monitoring Range

In addition to chlorine electrodes, our Shanghai facilities supply fully integrated liquid analytical hardware worldwide.

View Complete Enterprise Factory Dossier & Archived Reference Index

Shanghai Boqu Instrument Co., Ltd. (Est. 2007) operates 4,632 m² of specialized production space across two state-of-the-art facilities in Kangqiao and Lingang, Shanghai. With 200+ employees and an annual capacity exceeding 100,000 instruments, BOQU supplies online water quality sensors, controllers, and SWAS panels to over 100 countries.

Operating under certified ISO 9001 and ISO 14001 management systems, products carry CE, SGS, and FDA audit credentials. Our proprietary high-temperature sensor laboratory is China's foremost testing center for CIP/SIP steam-sterilizable electrochemistry, recognized by the Shanghai Brand certification.

Global Sales: +86-18916729106 Technical Inquiry: [email protected] Pudong HQ: No.118 Xiuyan Road, Shanghai, CN