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Accurate pH measurement is critical in industrial processes, environmental monitoring, and laboratory verification. Standard lab instruments are cumbersome for field use, and low-end handheld testers often fail to deliver repeatable, stable, and accurate measurements in harsh environments.
The Instrava Handheld pH Meter is engineered for portable, reliable, and multi-functional field measurement. With intelligent electronics and rapid-response electrodes, it delivers precise pH and ORP readings in water, chemical, or biological solutions, making it ideal for on-site verification, process troubleshooting, and field inspections.
Liquid Level Switch Description
pH Meters Handheld Typical Application Scenarios
Environmental monitoring and water quality inspection
Laboratory and field verification in chemical analysis
Industrial water treatment and process control
Aquaculture, hydroponics, and swimming pool water monitoring
Food and beverage production quality control
Cosmetics and pharmaceutical solution testing
Remote or field sites requiring portable measurement
Designed for engineers, technicians, and field operators, it provides reliable readings without sacrificing portability.


pH Meters Handheld Engineering Advantages
Switchable pH / ORP mode (requires compatible electrode) for versatile applications.
pH measurement range: -2.00 to 16.00
Resolution: 0.01 pH, temperature: 0.1°C
Accuracy: ±0.05 pH
Stability: ≤0.01 pH / 24h
Compact (100 × 35 × 204 mm) and lightweight, with handheld operation and rapid-response electrode. Ideal for on-site measurements in industrial, environmental, or laboratory settings.
Powered by 5 × 1.5V AA batteries, enabling extended field usage without frequent recharging.
Chinese-language menu operation simplifies calibration, measurement, and switching between modes.
Liquid Level Switch Parameter
| Parámetro | Especificación |
|---|---|
| Measurement Range – pH | -2.00 … 16.00 |
| Resolution – pH | 0.01 pH |
| Resolution – Temperature | 0.1°C |
| Accuracy – pH | ±0.05 |
| Estabilidad | ≤0.01 pH / 24h |
| Temperatura de funcionamiento | 0–60°C |
| Humedad relativa | ≤90% |
| Fuente de alimentación | 5 × 1.5V AA batteries |
| Dimensions | 100 × 35 × 204 mm |
| Measurement Mode | pH / ORP (with compatible electrode) |
| Mostrar | LCD |
| Accessories | Standard buffer solutions, carrying case |
| Electrode | Rapid-response field electrode included |
Instrava OEM/ODM
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.

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The meter is engineered with high-input impedance electronics, rapid-response electrodes, and automatic temperature compensation, minimizing drift caused by environmental temperature changes, humidity, or medium variability. This ensures repeatable, reliable measurements in demanding industrial and environmental applications.
Yes. While laboratory instruments provide detailed analysis, the Instrava handheld pH meter delivers lab-grade accuracy (±0.05 pH) in the field, enabling engineers and technicians to verify water, chemical, or process liquids immediately without transporting samples.
The handheld meter supports switchable pH and ORP modes with compatible electrodes. It can accurately measure a wide variety of solutions, including industrial water, wastewater, chemical process fluids, and aquaculture media, offering flexibility for multiple operational scenarios.
Rapid-response electrodes minimize equilibration time
Automatic power-off conserves battery life
Rugged housing and compact form factor withstand industrial field conditions
These features reduce measurement delays, operator intervention, and maintenance costs.
By providing precise and traceable pH readings, the instrument ensures water quality and process monitoring meet industrial standards. Calibration with standard buffers and storage of measurement history allows operators to document compliance and support audit requirements.
Instrava offers custom electrode selection, buffer kits, and OEM labeling, ensuring that the handheld meter integrates seamlessly into multi-site water quality programs, chemical process monitoring, or industrial maintenance workflows, providing standardized, repeatable results across operations.
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.
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.
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.
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.
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.
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.
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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