Liquid Analysis

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 Level Switch Description  

Portable Water Digital EC Conductivity Meter Applicable Scenarios

Instrava Portable EC Meter is suitable for:

  • Laboratory water quality analysis

  • Ultrapure water monitoring systems

  • Environmental field sampling

  • Industrial process water control

  • Boiler and cooling system monitoring

  • Aquaculture and marine salinity testing

  • Wastewater treatment plants

Its IP65 structure and lithium battery system enable reliable outdoor deployment.

Conductance meter, displaying conductivity value, with control buttons.

Portable Water Digital EC Conductivity Meter Engineering Advantages

Multi-Parameter Measurement Capability

Supports:

  • Conductivity (EC)

  • Resistivity

  • Total Dissolved Solids (TDS)

  • Salinity

  • Temperatura

Single-platform measurement reduces equipment redundancy in laboratory and field operations.

Ultra-Wide Conductivity Range

  • 0.000 μS/cm to 500 mS/cm

  • Resolution as low as 0.001 μS/cm

  • Accuracy: ±1.0% FS

  • Reference temperature selectable: 20°C / 25°C

Covers ultrapure water to high-salinity industrial solutions.

Advanced Temperature Compensation System

  • ATC (Automatic Temperature Compensation)

  • MTC (Manual Temperature Compensation)

  • Compensation types: None / Linear / Pure Water

Pure water compensation improves accuracy in low conductivity applications.

Flexible Calibration Architecture

  • 1–3 point calibration

  • Automatic standard recognition: 84 μS/cm, 1413 μS/cm, 12.88 mS/cm

  • Adjustable cell constant

  • Configurable temperature coefficient

  • Adjustable TDS factor

Ensures measurement consistency across diverse industrial and laboratory conditions.

Intelligent Multi-Reading Modes

  • Auto Read (Fast / Medium / Slow)

  • Timed Read

  • Continuous Read

  • Auto-Hold with endpoint lock

Reading prompts include: Reading, Stable, Locked.

Optimizes measurement workflow efficiency.

GLP-Compliant Data Management

  • 500 data sets per parameter

  • Date and time tracking

  • USB data output

  • PC and printer support

Supports traceable and structured laboratory documentation.

Rugged Field-Ready Construction

  • IP65 waterproof protection

  • 5-pin aviation conductivity connector

  • Rechargeable lithium battery

  • Adjustable auto shutdown (300–3600 sec)

  • Silicone protective case and wristband

Designed for laboratory precision and outdoor durability.

  Liquid Level Switch Parameter  

Portable Water Digital EC Conductivity Meter Technical Specifications

Conductivity (EC)

ParámetroEspecificación
Gama0.000 μS/cm – 500 mS/cm
Resolución0.001 μS/cm (minimum)
Precisión±1.0% FS
CalibraciónUp to 3 points
Standard Recognition84 μS/cm, 1413 μS/cm, 12.88 mS/cm

Resistivity

ParámetroEspecificación
Gama5.00 Ω·cm – 20.00 MΩ·cm
Resolución0.01 Ω·cm
Precisión±1.0% FS

TDS

ParámetroEspecificación
Gama0.00 ppm – 300 ppt
Resolución0.01 ppm (minimum)
Precisión±1.0% FS

Salinity

ParámetroEspecificación
Gama0.0 – 80.0 ppt
Resolución0.1 ppt
Precisión±2 ppt

Temperatura

ParámetroEspecificación
Gama-5 – 110°C
Unit°C / °F
Resolución0.1
Precisión±0.2°C

System Parameters

ParámetroEspecificación
Mostrar3.5-inch LCD
Data Storage500 sets per parameter
ComunicaciónUSB
PowerRechargeable lithium battery / AC adapter
Protection RatingIP65
Dimensions80 × 225 × 35 mm
Weight400 g

Included Accessories

  • DJS-1VTC EC Electrode

  • 1413 μS/cm EC Standard Solution (50ml)

  • Electrode Holder

  • Silicone Rubber Protective Case

  • Wristbands

  • 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

Instrava Engineering & Customization Support

At Instrava, our instruments are developed with a strong focus on real industrial applications. Each product is designed to operate as a reliable component within measurement, control, and automation systems, rather than as a standalone device.

Our engineering team supports customers during product selection by evaluating process conditions, operating environments, and system requirements, ensuring stable and long-term performance in actual use.

In addition to standard configurations, Instrava offers flexible customization options, including measurement range, materials, output signals, communication interfaces, and installation methods. All custom solutions are engineered to meet industrial standards and application-specific demands.

We also support OEM projects and system integration, providing consistent product design, technical documentation, and long-term supply to ensure smooth integration and reliable operation throughout the project lifecycle.

simboliza la confianza y el inicio de una colaboración a largo plazo

  Recomendaciones de productos relacionados  

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.

TDS is calculated from conductivity using a multiplication factor (typically 0.40–0.70).

The correct factor depends on ionic composition:

  • NaCl-dominant solutions: ~0.5

  • Natural water mixtures: ~0.65

  • Industrial process water: application-specific

Incorrect TDS factor selection leads to systematic deviation. The adjustable TDS coefficient ensures application-specific calibration alignment.

The cell constant (K) determines sensitivity range:

  • K=0.1 → low conductivity / ultrapure water

  • K=1.0 → general water testing

  • K=10 → high conductivity / brine solutions

Proper matching ensures optimal resolution and minimizes polarization effects. Adjustable cell constant configuration improves cross-application flexibility.

High-salinity solutions (>100 mS/cm) may introduce:

  • Electrode polarization

  • Temperature gradient deviation

  • Non-linear conductivity behavior

  • Incomplete temperature equilibration

Using appropriate cell constants and allowing sufficient stabilization time reduces high-range deviation.

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.

IP65 rating ensures:

  • Dust-tight enclosure

  • Protection against low-pressure water jets

  • Resistance to outdoor humidity and splashing

This enables stable performance in wastewater plants, cooling systems, field sampling, and industrial environments without compromising measurement integrity.

Por qué elegir Instrava

Al elegir Instrava, obtiene un socio con un profundo conocimiento de las aplicaciones industriales y la experiencia necesaria para hacer frente a los retos operativos actuales.
Nuestro papel va más allá de los productos: respaldamos su éxito con soluciones fiables y un compromiso a largo plazo.

Innovación impulsada por la ingeniería

La innovación en Instrava se guía por necesidades industriales reales. Perfeccionamos continuamente nuestras tecnologías para hacer frente a los cambiantes retos operativos, garantizando un rendimiento práctico y fiable en entornos exigentes.

Personalización específica de la aplicación

Ofrecemos personalización a nivel de ingeniería para adaptarnos a las condiciones específicas del proceso. Desde el rango de medición y los materiales hasta las señales de salida y las opciones de instalación, nuestras soluciones están configuradas para adaptarse a aplicaciones reales.

Calidad y fiabilidad demostradas

La calidad y la fiabilidad son fundamentales en todos los productos Instrava. Fabricados bajo estrictos controles de calidad y sometidos a pruebas exhaustivas, nuestros instrumentos ofrecen un rendimiento preciso, estable y a largo plazo.

Capacidad global con apoyo local

Instrava combina la experiencia mundial en ingeniería con una asistencia local receptiva, lo que garantiza que nuestros socios se beneficien de una tecnología alineada internacionalmente y de un servicio regional puntual.

Amplia cartera de productos

Nuestra amplia cartera de instrumentos de medición y control nos permite dar respuesta a una amplia gama de necesidades industriales, proporcionando soluciones integradas a partir de una fuente única y fiable.

Asistencia técnica orientada a los socios

Trabajamos en estrecha colaboración con nuestros socios, desde el asesoramiento técnico hasta la asistencia posventa. Nos centramos en ofrecer soluciones que generen un valor duradero y contribuyan al éxito operativo a largo plazo.

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