Portable Water Digital EC Conductivity Meter for Laboratory
Engineered for Laboratory Accuracy and Field Mobility
Instrava Portable Digital EC Conductivity Meter integrates laboratory-grade electrochemical measurement accuracy with rugged IP65 field protection.
Designed for precise conductivity, resistivity, TDS, salinity, and temperature analysis, the instrument supports 0.000 μS/cm to 500 mS/cm ultra-wide range detection with 0.001 μS/cm minimum resolution.
With GLP-compliant data management, 1–3 point automatic calibration, selectable temperature compensation modes, and configurable cell constants, the system delivers reliable results in both controlled laboratory environments and demanding field applications.
This platform is engineered for professionals requiring precision, flexibility, and outdoor durability.
Liquid Analysis Description
Portable Water Digital EC Conductivity Meter Applicable Scenarios
Instrava Portable EC Meter is suitable for:
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Laboratory water quality analysis
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Ultrapure water monitoring systems
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Environmental field sampling
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Industrial process water control
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Boiler and cooling system monitoring
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Aquaculture and marine salinity testing
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Wastewater treatment plants
Its IP65 structure and lithium battery system enable reliable outdoor deployment.
Portable Water Digital EC Conductivity Meter Engineering Advantages
Multi-Parameter Measurement Capability
Supports:
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Conductivity (EC)
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Resistivity
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Total Dissolved Solids (TDS)
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Salinity
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Temperature
Single-platform measurement reduces equipment redundancy in laboratory and field operations.
Ultra-Wide Conductivity Range
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0.000 μS/cm to 500 mS/cm
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Resolution as low as 0.001 μS/cm
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Accuracy: ±1.0% FS
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Reference temperature selectable: 20°C / 25°C
Covers ultrapure water to high-salinity industrial solutions.
Advanced Temperature Compensation System
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ATC (Automatic Temperature Compensation)
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MTC (Manual Temperature Compensation)
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Compensation types: None / Linear / Pure Water
Pure water compensation improves accuracy in low conductivity applications.
Flexible Calibration Architecture
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1–3 point calibration
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Automatic standard recognition: 84 μS/cm, 1413 μS/cm, 12.88 mS/cm
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Adjustable cell constant
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Configurable temperature coefficient
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Adjustable TDS factor
Ensures measurement consistency across diverse industrial and laboratory conditions.
Intelligent Multi-Reading Modes
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Auto Read (Fast / Medium / Slow)
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Timed Read
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Continuous Read
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Auto-Hold with endpoint lock
Reading prompts include: Reading, Stable, Locked.
Optimizes measurement workflow efficiency.
GLP-Compliant Data Management
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500 data sets per parameter
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Date and time tracking
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USB data output
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PC and printer support
Supports traceable and structured laboratory documentation.
Rugged Field-Ready Construction
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IP65 waterproof protection
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5-pin aviation conductivity connector
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Rechargeable lithium battery
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Adjustable auto shutdown (300–3600 sec)
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Silicone protective case and wristband
Designed for laboratory precision and outdoor durability.
Liquid Analysis Parameter
Portable Water Digital EC Conductivity Meter Technical Specifications
Conductivity (EC)
| Parameter | Specification |
|---|---|
| Range | 0.000 μS/cm – 500 mS/cm |
| Resolution | 0.001 μS/cm (minimum) |
| Accuracy | ±1.0% FS |
| Calibration | Up to 3 points |
| Standard Recognition | 84 μS/cm, 1413 μS/cm, 12.88 mS/cm |
Resistivity
| Parameter | Specification |
|---|---|
| Range | 5.00 Ω·cm – 20.00 MΩ·cm |
| Resolution | 0.01 Ω·cm |
| Accuracy | ±1.0% FS |
TDS
| Parameter | Specification |
|---|---|
| Range | 0.00 ppm – 300 ppt |
| Resolution | 0.01 ppm (minimum) |
| Accuracy | ±1.0% FS |
Salinity
| Parameter | Specification |
|---|---|
| Range | 0.0 – 80.0 ppt |
| Resolution | 0.1 ppt |
| Accuracy | ±2 ppt |
Temperature
| Parameter | Specification |
|---|---|
| Range | -5 – 110°C |
| Unit | °C / °F |
| Resolution | 0.1 |
| Accuracy | ±0.2°C |
System Parameters
| Parameter | Specification |
|---|---|
| Display | 3.5-inch LCD |
| Data Storage | 500 sets per parameter |
| Communication | USB |
| Power | Rechargeable lithium battery / AC adapter |
| Protection Rating | IP65 |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 400 g |
Included Accessories
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DJS-1VTC EC Electrode
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1413 μS/cm EC Standard Solution (50ml)
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Electrode Holder
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Silicone Rubber Protective Case
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Wristbands
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Carrying Case
Ready for immediate laboratory or field deployment.
Designed for Professional Water Quality Control
Instrava Portable Digital EC Conductivity Meter delivers laboratory precision with field durability.
With configurable compensation modes, multi-parameter capability, and structured GLP data management, it supports professionals requiring reliable conductivity analysis across diverse industrial and environmental conditions.
Instrava — Engineered for Precision Mobility.
Instrava OEM/ODM
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.
Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.
Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
What is the principle of pure water temperature compensation?
In ultra-low conductivity water, ionic mobility changes non-linearly with temperature.
Standard linear compensation may introduce deviation under 10 μS/cm conditions.
Pure water compensation applies a temperature-dependent algorithm optimized for low ionic concentration solutions, improving accuracy in ultrapure water systems such as RO/DI and pharmaceutical purified water loops.
How should the TDS conversion factor be selected?
TDS is calculated from conductivity using a multiplication factor (typically 0.40–0.70).
The correct factor depends on ionic composition:
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NaCl-dominant solutions: ~0.5
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Natural water mixtures: ~0.65
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Industrial process water: application-specific
Incorrect TDS factor selection leads to systematic deviation. The adjustable TDS coefficient ensures application-specific calibration alignment.
How is the cell constant matched to measurement range?
The cell constant (K) determines sensitivity range:
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K=0.1 → low conductivity / ultrapure water
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K=1.0 → general water testing
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K=10 → high conductivity / brine solutions
Proper matching ensures optimal resolution and minimizes polarization effects. Adjustable cell constant configuration improves cross-application flexibility.
What causes measurement error in high-salinity environments?
High-salinity solutions (>100 mS/cm) may introduce:
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Electrode polarization
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Temperature gradient deviation
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Non-linear conductivity behavior
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Incomplete temperature equilibration
Using appropriate cell constants and allowing sufficient stabilization time reduces high-range deviation.
Why is high resolution (0.001 μS/cm) critical for ultrapure water systems?
Ultrapure water typically measures below 2 μS/cm.
At such low levels, small contamination events produce minimal conductivity change.
High resolution enables early detection of ion breakthrough in RO/EDI systems, protecting downstream industrial processes.
How does IP65 protection improve industrial reliability?
IP65 rating ensures:
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Dust-tight enclosure
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Protection against low-pressure water jets
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Resistance to outdoor humidity and splashing
This enables stable performance in wastewater plants, cooling systems, field sampling, and industrial environments without compromising measurement integrity.
Why Trust Instrava?
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
Please place your trust in us.
