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Liquid Analysis
Portable pH Meters for Every Laboratory and Field Application
In industrial environments, inaccurate pH measurement can compromise product quality, process stability, and regulatory compliance. Consumer-grade pH testers lack the precision, repeatability, and durability required for professional industrial use, while laboratory instruments are often impractical for on-site measurements.
The Instrava Portable pH Meter is engineered for field and process verification, delivering reliable pH readings in water treatment, chemical processing, and environmental monitoring. Lightweight, rugged, and calibrated for industrial performance, it ensures accurate measurements where precision and operational stability are critical.
Liquid Level Switch Description
Portable pH Meters Typical Application Scenarios
Industrial and municipal water treatment plants
Cooling towers and boiler feedwater inspection
Wastewater discharge monitoring
Chemical process control
Food & beverage production quality verification
Environmental field sampling and lab cross-checking
Designed for engineers, process technicians, and water quality contractors, it provides instant on-site validation and troubleshooting for critical systems.
Portable pH Meters Engineering Advantages
Industrial-Grade Accuracy
Precision measurement with 0.01 pH resolution and ±0.05 pH accuracy, ensuring reliable field and process readings.
Wide Measurement Range
Covers 0–14 pH and -415 mV to 415 mV, compatible with diverse industrial liquids and buffer solutions.
Temperature Compensation
Automatic compensation from 0–60°C improves accuracy across varying field conditions.
Quick Operation & Power Efficiency
Automatic power-off after 4 minutes reduces battery consumption; powered by 3 AA batteries for extended field use.
Portable & Robust
Compact design (165 × 75 × 32 mm, 145 g) with rugged housing suitable for industrial sites.
Clear Digital Display
Three and a half digit LCD ensures readings are easily visible in all field conditions.
Liquid Level Switch Parameter
Portable pH Meters Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Range – pH | 0–14 pH |
| Measurement Range – mV | -415 mV – 415 mV |
| Resolution – pH | 0.01 pH |
| Resolution – mV | 1 mV |
| pH Measurement Error | ±0.05 pH |
| mV Measurement Error | ±0.1% FS |
| Measured Solution Temperature | 5–60°C |
| Temperature Compensation | 0–60°C |
| Display | 3½ digit LCD |
| Power Supply | 3 × AA batteries |
| Automatic Power-Off | 4 minutes |
| Weight | 145 g |
| Dimension | 165 × 75 × 32 mm |
| Included Accessories | Standard buffer reagents (pH 4.00, 6.86, 9.18), user manual, KCl powder, pH non-rechargeable combination electrode, 3 AA batteries |
| Working Environment | 5–40°C, 5–85% RH (no condensation), no vibration or corrosive gases, no external magnetic interference except earth’s magnetic field |
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.
The meter measures pH from 0–14 and mV from -415 to 415, suitable for most industrial liquids and field applications.
Measurement accuracy is ±0.05 pH and ±0.1% FS for mV, with 0.01 pH resolution, ensuring precise readings in industrial and process environments.
Yes, it automatically compensates for 0–60°C, improving measurement accuracy in varying environmental conditions.
The meter stores calibration data and is supplied with standard buffer solutions. Data logging can be recorded manually for traceability in field or process monitoring.
Powered by 3 AA batteries, the meter features automatic power-off after 4 minutes to extend battery life during field operations.
Yes. Designed for industrial field use: working temperature 5–40°C, relative humidity 5–85% RH, and resistant to vibration, corrosive gases, and magnetic interference.
Why Choose Instrava
By choosing Instrava, you gain a partner with a deep understanding of industrial applications and the expertise to meet today’s operational challenges.
Our role extends beyond products—we support your success through dependable solutions and long-term commitment.
Engineering-Driven Innovation
Innovation at Instrava is guided by real industrial requirements. We continuously refine our technologies to address evolving operational challenges, ensuring practical and reliable performance in demanding environments.
Application-Specific Customization
We provide engineering-level customization to match specific process conditions. From measurement range and materials to output signals and installation options, our solutions are configured to fit real applications.
Proven Quality and Reliability
Quality and reliability are fundamental to every Instrava product. Manufactured under strict quality control and thoroughly tested, our instruments deliver accurate, stable, and long-term performance.
Global Capability with Local Support
Instrava combines global engineering expertise with responsive local support, ensuring our partners benefit from internationally aligned technology and timely regional service.
Comprehensive Product Portfolio
Our broad portfolio of measurement and control instruments enables us to address a wide range of industrial needs, providing integrated solutions from a single, reliable source.
Partner-Oriented Engineering Support
We work closely with our partners from technical consultation to after-sales support. Our focus is on delivering solutions that create lasting value and support long-term operational success.
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