ZDYG-2088-01QX Online Turbidity Sensor
Infrared 860nm scattered light optical sensor with mechanical wiper cleaning, delivering stable NTU/FTU and TSS telemetry under high fouling loads.
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Direct Sourcing Center
Wholesale Turbidity & Analytical Process Probes
Engineered for immediate bulk procurement, system integrator white-labeling, and rigorous international municipal and bioprocess monitoring standards.
MPG-6099Plus Multi-parameter Panel
Comprehensive modular monitoring array integrating low-range turbidity, free chlorine, pH, and conductivity for city water utility networks.
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IOT-485-pH Digital Online Sensor
Industrial RS485 Modbus RTU telemetry directly from probe head; seamlessly networks beside turbidity systems for closed-loop dosing.
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pH5806 Steam-Sterilizable pH Sensor
Shanghai Brand certified precision glass electrode engineered to endure repetitive CIP/SIP chemical thermal stress cycles up to 130°C.
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DOG-208FA High-Temp DO Sensor
Polarographic dissolved oxygen analyzer engineered for biopharma broth vessels, high-load aeration streams, and chemical process control.
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DCA130 Dual Channel Analyzer
Compact dual-input controller managing both physical turbidity/conductivity and ionic pH loops, ideal for space-restricted skid integration.
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pHG-2081Pro Online Analyzer
Heavy-duty IP65 industrial transmitter featuring dual 4–20 mA isolated current loops, RS485 telemetry, and solid-state limit relay switches.
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SJG-2083CS Concentration Meter
Toroidal electrodeless sensor monitoring corrosive chemical concentrations and suspended matter without fouling or polarization degradation.
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Technical White-Paper
The Evolution of Turbidity Sensing: From Benchtop Nephelometry to Smart AIoT
Modern fluid handling infrastructure demands micro-NTU precision, robust solid-state optics, and self-diagnosing optical pathways to eliminate maintenance downtime.
90° ISO 7027 Optical Arrays
Implementing 860 nm near-infrared (NIR) LED emitters paired with silicon photodiode arrays configured precisely at a 90° angle. This design eliminates liquid sample chromaticity interference and meets strict ISO 7027 and DIN EN 27027 industrial drinking water measurement criteria.
AI Self-Diagnostic Optics
Contemporary digital optical assemblies integrate continuous drift compensation routines. Embedded microcontrollers track LED lumen degradation over time, calculate surface optical fouling indices, and dynamically prompt ultrasonic or mechanical wiping routines prior to data skewing.
Direct Bus Architecture
Moving beyond lossy mV signaling, our wholesale turbidity sensors convert optical nephelometric data directly into high-baud Modbus RTU over RS-485 within the probe's encapsulated body, delivering industrial noise rejection across cable runs exceeding 500 meters.
Manufacturing Capability
Direct Supply Chain Scale: Shanghai BOQU Instrument Co., Ltd.
Operating two dedicated production complexes across Kangqiao and Lingang, Shanghai, combining rapid prototyping with fully traceable mass-fabrication lines.
2007
Established Year
4,632 m²
Production Footprint
200+
Specialist Staff
100,000+
Annual Unit Output
100+
Export Destinations
2,000+
Enterprise Partners
Complete Upstream Control
Unlike trading middlemen, BOQU operates its own precision CNC machining shops, automated SMT board placement bays, high-temp glassblowing facilities, and cleanrooms. This vertical integration reduces production lead times for wholesale orders to under 10 business days.
48-Hour Burn-In & Calibration
Every turbidity probe and online transmitter undergoes strict physical stress evaluation, continuous 48-hour thermal aging runs, and multi-point Formazin primary standard optical calibration prior to export crating, ensuring plug-and-play accuracy out of the shipping crate.
OEM/ODM Custom Engineering
We provide complete customized hardware and software packages: custom form factors (immersion, flow-cell, in-pipe hot tap), private-labeled molded casing, customized RS485 communication protocols, extended high-temp cabling, and localized compliance certifications.
Regulatory & Support Matrix
Global Regulatory Adherence & On-Site Support
Ensuring tier-1 engineering compliance with regional water quality directives, regional telemetry protocols, and rapid technical escalation channels.
| Geographic Market | Core Compliance Standards | Typical Measurement Thresholds | Local Integration Ecosystem Support |
|---|---|---|---|
| European Union (EU) | CE, RoHS, WEEE, ISO 7027-1:2016, EN 61010-1 Electrical Safety | Drinking Water Directive: < 1.0 NTU at tap, < 0.2 NTU at filter plant outlet | Modbus RTU over RS-485, Profibus DP gateways, 4–20 mA NAMUR NE43 fault detection |
| North America (US / CA) | EPA Method 180.1, UL Listed Electronics Compatibility, FCC Part 15 Class A | EPA Surface Water Treatment Rule: ≤ 0.3 NTU in 95% of monthly filter readings | Integrated SCADA RTU integration, Allen-Bradley PLC register matching, NEMA 4X / IP68 enclosures |
| Asia-Pacific (APAC) | GB/T 5750, QCVN Class A (Vietnam), ISO 9001:2015, ISO 14001:2015 | Wastewater TSS discharge compliance: < 50 mg/L; Aquaculture DO > 5 mg/L | Multilingual firmware (English, Chinese, Vietnamese), direct 4G/5G MQTT IoT cloud gateways |
| Middle East & Africa | SASO Standards, CE Certification, High Ambient Heat Stability | Seawater RO desalination feed silt density (SDI) tracking & turbidity < 0.1 NTU | Extreme heat dissipation casings (-20°C to +65°C ambient), solar battery power compatibility |
Application Engineering
Turbidity & TSS Deployment Paradigms
Practical configuration guides tailored by BOQU application specialists to mitigate process abrasives, biological scaling, and ambient sunlight interference.
Municipal Drinking Water Filtration
Low-range turbidity detection (0.001–10 NTU/FNU) downstream of rapid dual-media gravity filters. Utilizes localized low-volume bubble-trapping flow cells to prevent entrained micro-air bubbles from scattering light and triggering false filter breakthrough alarms.
Wastewater MLSS & Sludge Blankets
High-range turbidity and Total Suspended Solids (TSS up to 50,000 mg/L) in biological aeration basins and secondary clarifiers. Fitted with pneumatic or mechanical silicon wiper systems to cycle every 30 minutes, preventing biofilm fouling on optical sapphire windows.
High-Density Recirculating Aquaculture
Real-time suspended solids telemetry across marine and freshwater RAS loops. Integrated with automated drum screen filter controllers to clear particulate waste, mitigating gill abrasion and preventing sudden nighttime dissolved oxygen collapses.
Biopharmaceutical Harvest Clarification
Turbidity-based optical density tracking in biomanufacturing downstream processing. Monitors centrifuge output and depth filtration trains to instantly detect cellular breakthrough during monoclonal antibody and vaccine purification sequences.
Procurement Engineering
Wholesale Turbidity Sensor Engineering Selection Matrix
Match application operating ranges, media conditions, and mounting requirements to optimize instrument lifespan and project budgets.
| Model Series | Measuring Principle | Operating Range | Process Fitting | Wetted Materials | Best Suited Wholesale Applications |
|---|---|---|---|---|---|
| ZDYG-2088-01QX | 90° Infrared Scattered Light (860nm) | 0.01–400 NTU / 0–1000 NTU | Submersible / NPT 3/4" Thread | POM / 316L SS + Sapphire Glass | River stations, lake monitoring, clarifier effluent, general discharge |
| ZDYG-2088-02QX | Dual-Beam Attenuated Absorption | 0–20,000 mg/L (TSS) / 0–50,000 mg/L | Flange / Immersion Arm Installation | Titanium Alloy / SUS316L + FKM | Aeration tanks, sludge dewatering beds, dredge monitoring, mining slurry |
| MPG-6099-TB LowRange | Micro-Nephelometry with Degassing Cell | 0.001–10.00 NTU (Accuracy ±1%) | Flow-Through Bypass Manifold (6mm Tube) | Food-Grade Acrylic / PVDF | Municipal potable water networks, bottled beverages, membrane RO intake |
| IOT-TURB-485 Integrated | Solid-State Digital Backscatter | 0–4000 NTU (Auto-Ranging) | Drop-In / Pipeline Insertion | Corrosion-Resistant PPS Housing | OEM telemetry skids, smart agriculture, distributed solar-powered arrays |
Technical & Commercial FAQ
Wholesale Sourcing & Operational FAQ
Straight answers regarding MOQs, custom protocols, calibration standards, and distributor partnerships.
What are the key technical differences between 90° scattered light and backscatter sensors?
A 90° scattered light optical array (ISO 7027 standard) is optimized for ultra-low to mid-range turbidity values (0 to 1000 NTU). It measures the precise refraction of light at right angles from particles in the solution, yielding high linearity. Conversely, 180° backscatter or direct multi-beam attenuation sensors are designed for high-density solutions and Total Suspended Solids (TSS up to 50,000 mg/L), where light penetration is limited and backscattered reflectance prevents optical saturation.
Can BOQU supply customized Modbus register maps for our private-label SCADA system?
Yes. As an original design and equipment manufacturer (ODM/OEM), BOQU has dedicated in-house firmware development engineers. We regularly rewrite Modbus RTU register mapping tables, tailor baud rates (from 9600 to 115200 bps), format floating point/integer bytes, and incorporate custom device identifiers to ensure immediate drop-in replacement compatibility with your existing PLC or SCADA frameworks.
How do your self-cleaning wiper mechanisms handle abrasive silica and fibrous sludge?
Our self-cleaning probes use industrial-grade, chemical-resistant fluoroelastomer or silicon wiper blades driven by a sealed, high-torque micro-stepper motor. The optical windows are made from scratch-resistant synthetic sapphire rather than standard acrylic, preventing micro-abrasions from sand, silica, or crystallized salts during repeated mechanical cleaning strokes.
What Minimum Order Quantities (MOQ) and lead times apply to wholesale OEM orders?
For standard white-label or BOQU-branded instruments, our factory MOQ is just 1 unit for evaluation, with standard batch volumes scaling from 10 to 500+ units. Because core electronics and probe bodies are manufactured across our 4,632 m² Kangqiao and Lingang workshops, typical dispatch times for wholesale lots under 100 units range from 5 to 10 working days, complete with calibration certificates.
What international testing standards and quality certificates accompany shipments?
Every shipment can be supplied with formal CE Certificates of Conformity, ISO 9001 and ISO 14001 factory audit reports, RoHS compliance statements, IP68 ingress verification, and individualized 48-hour burn-in calibration certificates traceable to Formazin primary reference solutions.
Integrated Process Sensing Catalog
Turbidity-Adjacent Analytical Sensors & Probes
High-temperature electrochemical sensors, optical monitors, and trace chemical analyzers to complete your process telemetry setup.
High-Temp Fermentation pH Sensor
Rugged autoclavable pH sensor engineered for sterile biopharma broths, resistant to repeated 130°C SIP steam sterilization cycles.
China High-temperature pH Sensor Used Pharmaceutical Fermentation Wholesaler, Supplier
High Temperature (0-130℃) pH Probe
Built-in Pt100/Pt1000 RTD temperature element delivering continuous automatic temperature compensation in harsh thermal reactions.
China High Temperature (0-130℃) pH Sensor With Temperature Wholesaler, Suppliers
High-Temp S8 Connector pH Sensor
Standardized PG13.5 mechanical thread with IP68 coaxial S8 connector, ensuring swift plug-and-lock maintenance replacement.
Wholesale High-temperature S8 Connector pH Sensor Manufacturers, Factory
High Temperature 0-130℃ pH Sensor
Pressurized gel reference electrolyte prevents junction poisoning in high ionic strength solutions and hot chemical synthesis lines.
Wholesale High Temperature (0-130℃) pH Sensor Supplier, Factories
Online Residual Chlorine Analyzer
Constant-voltage amperometric system delivering real-time free chlorine data without expensive chemical buffer consumption.
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Online Silicate/Phosphate SWAS Analyzer
Sub-ppb trace wet-chemical spectrophotometric analyzer engineered for high-pressure power plant steam and condensate circuits.
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TOC-3042 Online Organic Carbon Analyzer
UV-persulfate oxidation method with NDIR detection, monitoring total organic carbon in pharmaceutical purified water loops.
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Online COD/TP/TN/NH3-N Cabinet
Fully automated digestion and colorimetric station managing municipal and industrial wastewater compliance outfall telemetry.
Explore ModelConnect Directly with BOQU Factory Instrumentation Engineers
Whether you require volume distribution pricing, private-label firmware development, or custom sensor design for specialized industrial processes, our Shanghai engineering team delivers complete technical recommendations within 24 hours.