Industrial Grade Metrology & OEM Systems

Wholesale Salinity Conductivity Meter Manufacturers & Pricelist

A comprehensive technical procurement whitepaper, volume pricing matrix, and architectural deployment guide for system integrators, EPC engineers, and international procurement leaders.

Featured Selection

High-Accuracy Salinity & Conductivity Monitoring Instruments

Calibrated in-house, pre-aged for 48 continuous hours, and tested under strict ISO 9001 protocols to deliver plug-and-play stability across high-salinity and corrosive regimes.

China High-temperature pH Sensor Used Pharmaceutical Fermentation Wholesaler, Supplier
Fermentation & Brine

China High-temperature pH Sensor Used Pharmaceutical Fermentation Wholesaler, Supplier

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China High Temperature (0-130℃) pH Sensor With Temperature Wholesaler, Suppliers
Thermal Endurance

China High Temperature (0-130℃) pH Sensor With Temperature Wholesaler, Suppliers

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Wholesale High-temperature S8 Connector pH Sensor Manufacturers, Factory
S8 Thread Connector

Wholesale High-temperature S8 Connector pH Sensor Manufacturers, Factory

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Wholesale High Temperature (0-130℃) pH Sensor Supplier, Factories
Corrosion Resistant

Wholesale High Temperature (0-130℃) pH Sensor Supplier, Factories

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pH5806 High Temperature pH Sensor
Steam Sterilizable

pH5806 High Temperature pH Sensor (Awarded Shanghai Brand)

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Market Dynamics

Global Enterprise Sourcing Demand for Salinity & Conductivity Meters

An authoritative analysis of industrial trends shaping sensor specification, bulk purchasing requirements, and capital project investments worldwide.

Industrial Desalination & ZLD

Thermal power, lithium extraction, and chemical refining facilities under Zero Liquid Discharge (ZLD) mandates require wide-range toroidal conductivity and salinity meters capable of tracking Total Dissolved Solids (TDS) up to 200,000 ppm without polarization error.

Desalination Grade

Intensive Marine RAS Aquaculture

Global offshore aquaculture and Recirculating Aquaculture Systems (RAS) rely on fast-response, bio-fouling-resistant salinity sensors. Real-time practical salinity units (PSU) telemetry directly determines survival rates and prevents osmotic shock in commercial shrimp and salmon hatcheries.

Submersible IP68

Clean-in-Place (CIP) In-Line Titration

Biopharmaceutical and dairy production demand electrodeless conductivity meters to distinguish phase separation between sanitizing acid/caustic rinses and ultra-pure water loops, drastically reducing rinse cycle water loss and chemical waste.

Hygienic 3-A Standards
100,000+
Instruments Built Annually
100+
Export Destination Countries
4,632 m²
Modern Production Facilities
±1% F.S.
Certified Factory Precision
Integrated Engineering

Macro Industry Solutions & System Integration

Engineered sensor architectures engineered to solve severe process obstacles in thermal, petrochemical, municipal, and agricultural applications.

Boiler Condensate SWAS

Thermal power plant Steam and Water Analysis Systems (SWAS) require cation and specific conductivity measurement down to 0.055 μS/cm to alert operators to trace condenser leaks and carbonic acid formation.

Cell Constant K=0.01

Smart Hydroponics & CEA

Controlled Environment Agriculture (CEA) pairs EC and pH dual-channel transmitters with dosing solenoids to automate mineral uptake, preventing fertilizer burn while boosting leafy crop output by up to 28%.

DCA130 Platform

Industrial Effluent Neutralization

Continuous outfall monitoring enforces strict compliance with regional discharge limits (e.g. QCVN, EPA, EU-IED), driving closed-loop feedback loops for chemical neutralization facilities.

RS485 Modbus RTU

Chemical In-Line Concentration

Inductive electrodeless sensors eliminate fouling in aggressive H₂SO₄, HNO₃, NaOH, and saturated brine streams, continuously translating conductance into active mass percentage for real-time process visibility.

SJG-2083CS Series
Future Innovations

Technical Roadmap & Analytical Metrology Horizon

How cutting-edge microelectronics, solid-state sensors, and predictive IoT telemetry are redefining fluid metrology.

Edge Computing & Self-Diagnostics

Next-generation digital sensors integrate DSP chipsets capable of continuous health assessment, electrode surface polarization measurement, cell constant self-calibration, and predictive fouling alerts sent directly to SCADA systems.

Impact: Cuts unpredicted field downtime by 65% and extends wet calibration intervals across harsh processes.

Advanced Thermocompensation Algorithms

Moving beyond basic linear 2.0%/°C compensation, advanced controllers apply dynamic non-linear matrix compensation for ultra-pure water (UPW) neutral salt curves, high-temperature brine, and concentrated acid matrices according to ISO 7888 and ASTM D1125.

Impact: Delivers true 0.1% measurement fidelity across broad process temperature swings (-20°C to 130°C).

Solid-State & PEEK Encapsulation

Advancements in high-pressure virgin PEEK (Polyetheretherketone) molding and titanium/hastelloy metallurgy eliminate elastomeric seal failures, enabling direct immersion in abrasive slurry pipes up to 25 bar without mechanical stress cracking.

Impact: Guaranteed operational life exceeding 5 years in mineral leaching and marine drilling operations.

Wholesale Matrix

OEM/ODM Wholesale Price Guide & Technical Specifications

Transparent benchmark pricing for volume industrial procurement. Custom OEM private labeling, cable extensions, and private protocol firmwares available on all production runs.

Instrument Model / Type Measuring Range & Resolution Electrode / Material Protection & Output MOQ FOB Unit Price (USD)
Digital IoT EC/Salinity Sensor
Model: IOT-485-EC		 0.0 – 200,000 μS/cm
0 – 80 PSU		 Titanium Alloy / 316L SS
K=1.0 / K=10.0		 IP68 Submersible
RS485 Modbus RTU		 5 Units $95 – $145
Bulk 50+: $78
Dual Channel Analyzer
Model: DCA130 (pH + EC)		 EC: 0.01 – 20,000 μS/cm
pH: 0.00 – 14.00 pH		 Panel Mount Enclosure
(ABS Flame Retardant)		 IP65 Front Panel
Dual 4-20mA, Relays		 2 Units $180 – $260
Bulk 20+: $155
Inductive Toroidal Sensor
Model: SJG-2083CS Heavy Duty		 0 – 2,000 mS/cm
0.0 – 100.0% Acid/Base		 Molded Virgin PEEK /
PFA Teflon Body		 IP68 Explosion Proof
4-20mA + RS485		 1 Unit $380 – $580
Bulk 10+: $320
Ultra-Pure Water SWAS Sensor
Model: DDG-0.01 Pure Cell		 0.001 – 20.00 μS/cm
Resistivity: 0 – 18.25 MΩ·cm		 Electro-polished 316L
K=0.01 Titanium		 Flow-Cell SS316
Integrated Pt1000		 5 Units $110 – $165
Bulk 50+: $88
Integrated Multi-Parameter Skid
Model: MPG-6099Plus Series		 EC, Salinity, Turbidity,
pH, ORP, Temp, DO		 Complete Flow Rack
Modular Flow Cells		 7" Color Touchscreen
Ethernet, 4G, Modbus		 1 System $1,850 – $2,950
Engineering Turnkey
Trust & Reliability

Localized Engineering Support & Compliance Assurance

How Shanghai BOQU Instrument mitigates risks for international buyers through end-to-end certification, stringent factory testing, and localized warranty delivery.

Certified Global Compliance

Every analyzer complies with European CE standards, RoHS lead-free directives, ISO 9001 quality systems, and ISO 14001 environmental frameworks. Our high-temperature sensors hold FDA-compliant wet materials validation and the respected Shanghai Brand seal.

CE • ISO 9001 • FDA

48-Hour Burn-In & NIST Calibration

Zero "dead on arrival" hardware. Every conductivity cell undergoes dynamic pressure testing, insulation breakdown screening, and multi-point calibration against traceable Standard Conductivity Reference Solutions before export packaging.

Zero Defect Testing

Global Partner Dispatch

Supported by distribution and system integration partners spanning Vietnam, Korea, India, Russia, Brazil, and the Middle East. Field engineering groups receive direct factory parts dispatch and English/Chinese technical hotline access.

18-Month Factory Warranty
Direct Inquiries

Frequently Asked Questions by Industrial Sourcing Teams

Critical metrology specifications, protocol compatibilities, and wholesale ordering policies clarified by BOQU senior application engineers.

What is the key functional difference between 2-electrode contact cells and toroidal inductive conductivity meters?

Two-electrode contact cells measure electrical resistance directly between metallic pins or plates. They are ultra-sensitive and ideal for pure and ultra-pure water (0.055 μS/cm to 200 μS/cm), but are prone to polarization error and fouling in dirty, high-salinity fluids. Toroidal (inductive/electrodeless) meters, such as the SJG-2083CS, use two encapsulated wire-wound toroids to induce and measure magnetic currents in the fluid. They have zero exposed metal parts, are immune to electrode fouling, and excel in heavy brine, chemical acids, and saline wastewater up to 2,000 mS/cm.

How does your salinity conductivity meter calculate Practical Salinity Units (PSU) and Total Dissolved Solids (TDS)?

Our microprocessor-driven analyzers apply the standard Practical Salinity Scale (PSS-78) algorithm to convert specific conductivity and real-time temperature data directly into PSU or parts-per-thousand (ppt / g/kg). For Total Dissolved Solids (TDS), the transmitter provides user-adjustable conversion factors (typically 0.50 to 0.70 depending on the ionic composition, default 0.65 for natural water), allowing field adaptation to specific chemical profiles.

Can BOQU salinity and conductivity meters communicate directly with Rockwell, Siemens, or cloud IoT gateways?

Yes. All BOQU smart IoT digital sensors and online wall-mount controllers feature standard RS485 physical interfaces supporting standard Modbus RTU communication protocols. They connect seamlessly to PLCs (Rockwell Allen-Bradley, Siemens S7-1200/1500, Schneider), DCS architectures, and edge gateways without the need for expensive proprietary signal converters. Direct 4-20mA active analog loops and customizable high/low relay contacts are also built-in.

What are the lead times, MOQ requirements, and shipping channels for wholesale and OEM orders?

For standard digital sensors and controllers, our Minimum Order Quantity (MOQ) is as low as 1 to 5 units, with stock units dispatching from our Shanghai warehouse within 3 to 5 business days. Large-batch OEM runs (custom casing, custom cable length, customer-branded silk screening, and bespoke firmware baud rates) typically carry an MOQ of 20 to 50 units and lead times of 15 to 25 business days. International air express (DHL, FedEx, UPS) and CIF/FOB sea freight shipping options are supported.

Engineered Instrument Portfolio

Complete Process Monitoring & Analysis Systems

Complete your instrumentation package with BOQU's industrial-grade transmitters, optical probes, and wet-chemistry compliance monitors.

Online Silicate Phosphate Sodium Hydrazine Analyzer
SWAS Trace Chemistry

Online Silicate / Phosphate / Sodium / Hydrazine Analyzer

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Online COD TP TN NH3-N NO3-N Heavy Metal Analyzer
Effluent Compliance Skid

Online COD, TP, TN, NH3-N, NO3-N Heavy Metal Analyzer

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Consult a Senior Analytical Engineer

Submit your process temperature, pressure envelope, chemical matrix, and expected measurement range. Our factory engineering group in Shanghai will calculate temperature compensation curves and prepare a comprehensive quotation pack.