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Liquid Analysis
pH Meters-Precision Water Quality Measurement for Laboratory and Field Applications
Engineered for Accurate and Reliable pH Analysis
Instrava pH Meters are designed for professional water quality analysis in industrial, environmental, laboratory, and field applications.
With high measurement accuracy (±0.02 pH), wide temperature range compensation, and multi-parameter capability (pH / mV / Temperature), the instrument provides stable and repeatable data for process verification, quality control, and compliance monitoring.
Designed with a large display interface, USB communication, and multi-point automatic calibration, this meter ensures both operational simplicity and analytical precision.
For industries where measurement confidence matters, Instrava delivers dependable performance backed by engineering-grade design.
Liquid Level Switch Description
pH Meters Applicable Scenarios
Instrava pH meters are suitable for:
Industrial water quality monitoring
Wastewater treatment process verification
Laboratory analysis and sample testing
Environmental field measurement
Chemical and process control testing
Aquaculture and drinking water testing
Educational and research laboratories
With multiple electrode compatibility options (standard pH electrode or antimony electrode), the device adapts to diverse measurement environments.
pH Meters Engineering Advantages
High Measurement Precision
pH measurement range: 0.00 – 14.00 pH
Resolution: 0.01 pH
Accuracy: ±0.02 pH
Ensures laboratory-level precision in both field and bench applications.
Multi-Parameter Capability
mV measurement range: -2000 ~ 2000 mV
Temperature measurement range: -10.0 ~ 110.0°C
Supports manual temperature compensation
Enables expanded electrochemical testing and process validation.
Stable Calibration & Data Integrity
3-point automatic calibration
Built-in data storage for 256 records
Automatic power-off after 10 minutes of inactivity
Designed to reduce human error and maintain consistent measurement performance.
Professional Display & Operation
Large LCD display (65 × 40 mm)
Clear multi-function interface
Simple and intuitive operation
Supports efficient daily measurement tasks in industrial and laboratory environments.
Portable & Field-Ready Design
Powered by 2 × AAA batteries
Operating temperature: -5 ~ 60°C
Relative humidity: < 90%
USB communication interface
Compact structure with flexible deployment for on-site testing.
Liquid Level Switch Parameter
pH Meters Technical Specifications
| Parameter | Specification |
|---|---|
| pH Measurement Range | 0.00 – 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| mV Measurement Range | -2000 – 2000 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.2% FS |
| Temperature Range | -10.0 – 110.0°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ±0.2°C |
| Temperature Compensation | Manual |
| Calibration | 3-point automatic calibration |
| Data Storage | 256 sets |
| Display Size | 65 × 40 mm |
| Communication Interface | USB |
| Power Supply | 2 × AAA batteries |
| Operating Temperature | -5 – 60°C |
| Relative Humidity | < 90% |
| Compatible Electrodes | Standard pH electrode / Antimony electrode |
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 instrument supports both standard glass pH electrodes and antimony electrodes.
Glass electrodes are recommended for laboratory and general water analysis.
Antimony electrodes are suitable for harsher industrial environments where mechanical strength is required.
Selection depends on process temperature, chemical composition, and mechanical conditions.
For laboratory-grade accuracy, calibration should be performed:
Daily in high-precision laboratory environments
Weekly or before critical measurements in industrial applications
The instrument supports 3-point automatic calibration, ensuring improved linearity and measurement confidence.
This model supports manual temperature compensation.
Users can input the measured sample temperature to correct pH values accordingly.
For applications with large temperature fluctuations, proper compensation is essential to maintain ±0.02 pH accuracy.
Yes.
The instrument includes a USB communication interface, allowing data export to a computer for analysis, reporting, and record keeping.
It also supports internal storage of up to 256 measurement records.
pH mode is used for acidity/alkalinity measurement.
mV mode measures electrode potential directly and is often used for ORP measurement or electrode diagnostics.
The dual-mode capability increases flexibility for electrochemical testing.
Yes.
Powered by two AAA batteries and designed for operation between -5°C and 60°C, the device is suitable for both laboratory and on-site field measurements.
Its compact design and automatic power-off function enhance portability and energy efficiency.
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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