How to Choose the Right Liquid Analysis Solution for Industrial Applications
Selecting the right liquid analysis solution is critical for industrial process efficiency, product quality, and regulatory compliance. With multiple parameters...
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Liquid Analysis
Digital pH Meter-High-Accuracy Digital pH, mV and Temperature Measurement for Professional Water Analysis
Engineered for Precision and Reliable Electrochemical Measurement
The Instrava Digital pH Meter is designed for accurate and stable electrochemical measurement across laboratory, industrial, and environmental applications.
With ±0.01 pH accuracy, integrated mV measurement capability, and temperature monitoring up to 100°C, the instrument provides dependable analytical performance for routine testing and critical process verification.
Compact in structure and fully digital in operation, the device ensures fast response, intuitive measurement, and reliable repeatability across diverse water quality environments.
For professionals requiring precision, stability, and operational simplicity, Instrava delivers measurement confidence.
Liquid Analysis Description
Digital pH Meter Applicable Scenarios
The Instrava Digital pH Meter is suitable for:
Industrial water quality control
Wastewater treatment verification
Laboratory analytical testing
Environmental monitoring and field sampling
Chemical process validation
Aquaculture and agricultural water testing
Educational and research laboratories
Its multi-parameter capability (pH, mV, temperature) supports both routine measurement and advanced electrochemical diagnostics.
Digital pH Meter Engineering Advantages
High-Precision Digital Measurement
pH range: 0.00 – 14.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH
Delivers laboratory-grade measurement precision with stable digital processing.
Integrated mV Measurement Capability
mV range: -1999 – 1999 mV
Resolution: 1 mV
Accuracy: ±0.1% F.S ±1 digit
Supports ORP measurement, electrode diagnostics, and electrochemical research applications.
Wide Temperature Monitoring Range
Temperature range: 0 – 100°C
Resolution: 0.1°C
Accuracy: ±0.4°C
Ensures reliable measurement in variable temperature environments and supports accurate pH correction workflows.
Compact and Ergonomic Design
Dimensions: 123 mm × 72 mm × 33 mm
Lightweight and portable structure
Suitable for both laboratory bench use and on-site field measurement
Engineered for operational efficiency without sacrificing measurement integrity.
Stable Digital Processing
High-resolution display and clear readout
Fast response and stable data output
Designed for consistent repeatability in routine industrial testing
Instrava digital measurement architecture ensures reduced signal noise and improved data consistency.
Liquid Analysis Parameter
Digital pH Meter Technical Specifications
pH Measurement
| Parameter | Specification |
|---|---|
| Range | 0.00 – 14.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
mV Measurement
| Parameter | Specification |
|---|---|
| Range | -1999 – 1999 mV |
| Resolution | 1 mV |
| Accuracy | ±0.1% F.S ±1 digit |
Temperature Measurement
| Parameter | Specification |
|---|---|
| Range | 0 – 100°C |
| Resolution | 0.1°C |
| Accuracy | ±0.4°C |
Physical Characteristics
| Parameter | Specification |
|---|---|
| Dimensions | 123 mm × 72 mm × 33 mm |
Designed for Professional Water Quality Control
Instrava develops reliable measurement instruments for industrial and environmental applications where data accuracy and operational stability are essential.
The Digital pH Meter combines precision, portability, and multi-parameter capability to support laboratory verification, process optimization, and regulatory compliance.
From routine testing to advanced electrochemical evaluation, Instrava ensures consistent and dependable performance.
Instrava OEM/ODM
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.
How can electrode aging be identified during routine operation?
Electrode aging is typically indicated by:
Reduced slope during calibration
Increased stabilization time
Noticeable offset drift
Unstable readings in buffer solutions
When slope falls significantly below theoretical values (approximately 59 mV per pH at 25°C), electrode replacement should be considered to maintain ±0.01 pH accuracy.
What causes mV drift in electrochemical measurements?
mV drift may result from:
Reference junction contamination
Temperature fluctuations
Electrode dehydration
Electrical interference or grounding issues
Routine cleaning, proper storage in electrode solution, and stable temperature conditions help minimize drift and maintain measurement stability.
How does temperature affect pH measurement accuracy?
Temperature influences both:
The electrode slope (Nernst response).
The actual chemical equilibrium of the solution.
Without temperature correction, readings can deviate significantly, especially in high-temperature environments.
Monitoring temperature alongside pH ensures more reliable interpretation of analytical data.
What is the recommended calibration strategy for industrial use?
For industrial environments:
Perform calibration before critical measurements.
Use at least two-point calibration for improved linearity.
Verify calibration daily in high-precision laboratory settings.
Always use fresh buffer solutions.
Consistent calibration ensures traceability and long-term measurement integrity.
How should electrodes be maintained to ensure long-term performance?
Best practices include:
Rinse with distilled water after each measurement.
Store in appropriate electrode storage solution.
Avoid dry storage.
Periodically clean the junction according to application conditions.
Preventive maintenance significantly extends electrode lifespan and preserves measurement accuracy.
Is mV mode suitable for ORP measurement?
Yes.
The -1999 to 1999 mV measurement range supports ORP testing when paired with a compatible ORP electrode.
This expands the instrument’s functionality for oxidation-reduction potential monitoring in water treatment and chemical processes.
Why Choose Instrava
Built on Consistency, Not Claims
Focused on Industrial Applications
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
Strict Product Selection Criteria
Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
Reliable Supply & Quality Consistency
We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.
Practical, Experience-Based Support
Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.
Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.
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