Wholesale Transducers & Process Analytical Instruments
Pre-calibrated, industrial-grade sensors ready for bulk export, OEM private branding, and mission-critical water telemetry integration.
ZDYG-2088-01QX Online Turbidity & TSS Sensor
Optical 880nm scattered light TSS electrode equipped with integrated automated self-cleaning wipers for aeration basins and effluent compliance.
High Temperature (0-130℃) pH Sensor with PT1000
Designed for severe thermal duty, pressurized bioreactors, and aggressive industrial stream pH/ORP continuous measurement.
Fermentation Sanitary pH Sensor Electrode
Food-grade electrolyte, steam sterilizable (SIP/CIP up to 135℃) with biocompatible glass diaphragm engineered for sterile bioreactors.
High-Temperature S8 Connector pH Sensor
Standard PG13.5 threaded sensor body with gold-plated S8/VP coaxial connector for harsh chemical and petrochemical process pipes.
0-130℃ Industrial Process pH Electrode
Heavy-duty polymer gel electrolyte and annular PTFE porous liquid junction resisting severe sulfide and heavy fouling matrixes.
pH5806 High Temperature pH Sensor
Shanghai Brand certified benchmark sensor with pressurized polymer reservoir, built to withstand 50+ steam sterilization cycles without drift.
DOG-208FA High-Temp DO Sensor
Electrochemical polarographic DO electrode engineered for sterile biotechnology culture media, aerobic tanks, and steam sterilization lines.
IOT-485-pH Digital Smart Sensor
Embedded microprocessor with native RS485 Modbus RTU protocol, internal calibration memory, and direct PLC/IoT gateway communication.
The Paradigm Shift in Continuous TSS Measurement
From gravimetric filter weighing to multi-angle photonic optical backscatter: How modern process industries monitor particulate concentration in real time.
Total Suspended Solids (TSS) measurement represents one of the most critical analytical metrics across modern industrial wastewater management, biological sludge clarification, municipal potable filtration, and sterile biopharmaceutical synthesis. Historically, plant operators relied on standardized laboratory gravimetric analysis (such as EPA Method 160.2 or ISO 11923), which requires vacuum filtration, oven drying at 103–105°C, and analytical microbalance quantification. While gravimetrically authoritative, this traditional laboratory loop incurs analytical lag times ranging from 2 to 4 hours. In fast-flowing wastewater streams, flocculation tanks, or aeration basins, such delay prevents real-time automated chemical dosing, causing significant operational overshoot, excessive polymer consumption, and regulatory discharge non-compliance.
The contemporary water treatment industry has decisively transitioned to in-situ continuous optoelectronic TSS electrodes. Using high-output near-infrared (NIR) light-emitting diodes (typically centered at 860nm or 880nm to satisfy ISO 7027 specifications), these intelligent solid-state sensors eliminate human sampling errors. By measuring the attenuation and scattering profile of infrared light transmitted through particulate-laden media, the electrode's embedded digital signal processor (DSP) calculates suspended solid mass concentrations (mg/L or g/L) and nephelometric turbidity units (NTU/FNU) instantly. As global ESG governance accelerates and municipal wastewater treatment plants (WWTPs) migrate toward automated SCADA-driven closed loops, wholesale demand for dependable, drift-free, and cost-effective TSS electrodes has expanded dramatically.
ISO 7027 NIR Photometry
Utilizing 880nm pulsed near-infrared beams that completely bypass natural sample color, humic acid yellowing, and ambient sunlight interference, ensuring unmatched baseline stability across diverse effluent profiles.
Multi-Angle Dual-Beam Optics
Combines 90-degree scattered light detectors for trace suspended solids (<1,000 mg/L) with 140-degree backscatter channels for extreme sludge densities up to 50,000 mg/L (50 g/L MLSS).
Automated Self-Cleaning Systems
Integrated micro-servomotor wipers fabricated from fluororubber or silicone wipe optical sapphire windows every few minutes, preventing biological biofilm accumulation and sludge baking.
China Factory 4.0: Supply Chain Resilience & Cost Advantages
Behind Shanghai BOQU’s dual production complexes: Precision optoelectronic integration, automated calibration tunnels, and global export scalability.
Vertical Integration
From in-house CNC machining of 316L stainless steel and POM/PVDF housings to surface-mount technology (SMT) PCB assembly and glass blowing, 95% of components are manufactured under direct internal control.
48-Hour Burn-In Testing
Every single TSS electrode and digital transmitter undergoes dynamic multi-temperature cycling and continuous 48-hour burn-in stress screening to eradicate infant mortality before international packaging.
Shanghai Brand Authority
With an annual capacity exceeding 100,000 instruments and official ISO 9001, ISO 14001, CE, SGS, and FDA registrations, our Pudong and Lingang plants set the national benchmark for analytical equipment quality.
Direct OEM/ODM Agility
Global instrumentation brands save 50% to 70% in capital expenditure compared to European counterparts, enjoying custom Modbus protocol firmware, custom cable molds, and tailored mechanical flanges.
Wholesale TSS Electrode Factories & Procurement Pricelist
Comprehensive B2B factory pricing benchmarks for system integrators, municipal contractors, and regional distributors (FOB Shanghai, USD).
| Model / Sensor Architecture | Measurement Range | Optical Principle | Wetted Materials | MOQ (Units) | Wholesale Tier (USD) | Target Industrial Duty |
|---|---|---|---|---|---|---|
|
ZDYG-2088-01QX Flagship Wiper |
0.01 – 20,000 mg/L (0 – 4000 NTU) |
880nm NIR Light 90° / 140° Dual-Beam |
POM / 316L SS Sapphire Window |
2 – 5 6 – 20 21+ |
$380 – $420 $320 – $360 $280 – $310 |
Secondary clarifiers, aeration tanks, municipal effluent, and industrial discharge outfalls. |
|
TSS-485-Mini Digital Smart Probe |
0 – 5,000 mg/L (0 – 1000 NTU) |
Single-Beam NIR Absorption (860nm) | Anodized Al / PVDF Quartz Optics |
5 – 10 11 – 50 51+ |
$260 – $290 $210 – $240 $175 – $195 |
Packaged MBR units, aquaculture RAS, river monitoring stations, cooling tower blowdown. |
|
MLSS-Titan-HighSolids Extreme Duty |
0 – 50,000 mg/L (0 – 50 g/L MLSS) |
Multi-Angle Backscatter Photometry | Titanium Grade 2 Fluoroelastomer Seals |
2 – 5 6 – 15 16+ |
$580 – $650 $490 – $540 $420 – $460 |
Mining tailings, heavy chemical slurries, sludge thickening/dewatering press automation. |
|
BioTSS-Sanitary-CIP Pharma Ready |
0.1 – 10,000 mg/L OD600 Equivalent |
Transmission & Forward Scatter | 316L SS (Ra < 0.4µm) USP Class VI PEEK |
2 – 5 6 – 20 21+ |
$690 – $760 $590 – $640 $510 – $550 |
Bioreactor fermentation broth, cell harvest density, sterile milk/beverage turbidity lines. |
|
Trace-NTU-Drinking Ultra Clean |
0.001 – 100.0 NTU (0 – 200 mg/L) |
90° Nephelometry (ISO 7027 / US EPA 180.1) | Polysulfone Flow Cell Optical Glass |
3 – 10 11 – 30 31+ |
$340 – $390 $290 – $330 $240 – $275 |
Potable water treatment filter breakthrough, membrane integrity testing, condensate SWAS loops. |
* OEM Branding (private labeling, custom laser logo engraving, and Modbus ID matching) is complimentary on bulk batch orders exceeding 20 units. Inquire for custom submersible cable extensions up to 100 meters.
Worldwide Process Applications & Implementation Matrix
Real-world integration architectures engineered to withstand tough chemical matrices, fouling biofilms, and severe mechanical vibration.
Aeration Basins & Activated Sludge (MLSS)
In municipal biological treatment plants, maintaining Mixed Liquor Suspended Solids (MLSS) between 2,500 and 4,500 mg/L is vital for bacterial nitrification and organic decomposition. Deploying submersible ZDYG-2088-01QX probes provides instantaneous feedback to Return Activated Sludge (RAS) and Waste Activated Sludge (WAS) variable frequency pumps, saving up to 22% in plant electrical blower consumption.
Industrial Effluent & Environmental Outfalls
Strict environmental regulations (e.g., Vietnam QCVN 40 Class A, US EPA NPDES, EU Water Framework Directive) limit TSS discharge to <30–50 mg/L. Our digital optical electrodes stream RS-485 Modbus RTU telemetry to government-linked IoT gateways, triggering automated alarm diversions before non-compliant effluent enters natural receiving waterways.
Sterile Biopharma & Fermentation Broth
Modern bioreactors leverage optical density and TSS correlation to quantify biomass accumulation and yeast or E. coli proliferation kinetics. Our sanitary stainless-steel bio-electrodes tolerate repeated Steam-In-Place (SIP) sterilization at 130°C without mechanical seal degradation, safeguarding clean production in vaccine and amino acid synthesis.
Engineering Questions Overseas Buyers Ask Before Ordering
Definitive engineering solutions regarding calibration standards, optical fouling, protocol integration, and wholesale logistics.
The sensor emits an 880nm NIR pulse and measures both 90° scattered light (nephelometric) and 140° backscattered light. Because physical particle shape, density, and color vary between wastewater streams, the internal microprocessor applies a customizable multi-point linear correlation algorithm. Plant engineers calibrate the sensor against known gravimetric oven-dry samples (standard TSS mg/L) to establish an exact site-specific coefficient.
Our industrial flagship ZDYG-2088-01QX incorporates an automated mechanical wiper assembly. Driven by an internal high-torque magnetic servomotor, the fluororubber wiper blade traverses the optical sapphire window at pre-programmed intervals (e.g., every 15, 30, or 60 minutes). This physically wipes away filamentous algae, grease, and biological growth, extending unattended maintenance intervals from days to months.
Yes. Every smart digital TSS electrode from BOQU features native onboard RS-485 communication using standard Modbus-RTU protocol. It operates on a 12V or 24V DC industrial power bus and outputs calibrated real-time data registers (turbidity, TSS mg/L, and temperature) directly to PLCs, Siemens/Schneider DCS, or remote cellular RTU gateways without an intermediary proprietary controller.
All optical electrodes undergo multi-point factory baseline calibration using certified Formazin primary standard solutions (compliant with ISO 7027 and EPA standard methods) and optical zero-turbidity DI water. Secondary stable polymer bead suspensions are also utilized for optical linearity checks across 100 NTU, 400 NTU, 1,000 NTU, and 4,000 NTU points prior to shipping.
Online Analytical Transmitters & Dual-Channel Controllers
Combine high-durability TSS probes with multi-parameter telemetry panels for holistic process control and compliance automation.
DCA130 Dual Channel pH & EC Analyzer
Simultaneous real-time controller for pH/ORP and conductivity monitoring, designed for RO water plants and nutrient loops.
MPG-6099Plus Multi-Parameter Panel
Turnkey wall-mount system integrating TSS/turbidity, residual chlorine, pH, conductivity, and dissolved oxygen with touch HMI.
pHG-2081Pro Online pH Analyzer
Robust IP65 industrial transmitter delivering isolated 4-20mA and RS-485 outputs with customizable high/low dosing relay contacts.
SJG-2083CS Acid & Alkali Concentration Meter
Toroidal inductive conductivity transmitter engineered for aggressive chemical dosing, clean-in-place (CIP) loops, and pickling acid lines.
Online Residual Chlorine Analyzer
Constant-voltage amperometric measurement without reagent consumption, providing precision chlorine dosing for municipal drinking networks.
Online Silicate & Phosphate SWAS Analyzer
Trace ppb-level colorimetric analyzer protecting thermal power plant boilers, turbines, and steam generation loops from scaling.
TOC-3042 Total Organic Carbon Analyzer
UV persulfate oxidation method engineered for pharmacopeia-compliant purified water (WFI) tracking and organic loading monitoring.
Online COD / Ammonia / TP / TN Analyzer
Automated wet-chemistry micro-digestion monitoring station for mandatory governmental industrial wastewater compliance verification.
Request Factory Pricelist & Technical Whitepaper
Connect directly with Shanghai BOQU's senior application engineers. We provide turnkey sensor specification matching, OEM private labeling schedules, and wholesale discount structures within 24 hours.