Digital pH Meters
Engineered for High-Precision Digital Water Quality Monitoring
Instrava Digital pH Meters integrate full-digital electrode detection technology with high-resolution measurement capability to deliver stable, accurate, and repeatable water quality analysis.
With 0.001 pH resolution, automatic temperature compensation, 3.5-inch color touch display, and 500,000-record storage capacity, the instrument is designed for professional environmental monitoring, industrial process verification, and laboratory-grade field measurement.
Equipped with IP68-rated digital electrode protection and a waterproof portable case, the system ensures reliable operation across demanding industrial and outdoor environments.
For applications where data accuracy and long-term stability are critical, Instrava provides engineered measurement confidence.
Liquid Analysis Description
Digital pH Meters Applicable Scenarios
Instrava Digital pH Meters are suitable for:
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Industrial wastewater monitoring
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Municipal water treatment verification
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Environmental field inspection
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Surface water quality analysis
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Aquaculture water management
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Laboratory and research testing
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Emergency mobile water testing
The system supports both portable deployment and structured monitoring tasks requiring large-scale data storage.
Digital pH Meters Engineering Advantages
Full Digital Electrode Technology
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High-precision full-digital pH electrode
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Integrated automatic temperature compensation
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Enhanced signal stability and noise resistance
Digital electrode architecture reduces analog signal interference and improves long-distance measurement reliability.
Ultra-Fine Measurement Resolution
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Measurement range: 0 – 14 pH
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Accuracy: ±0.1 pH
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Resolution: 0.001 pH
High-resolution display enables more detailed observation of pH variation trends.
Intelligent Temperature Compensation
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Working temperature range: 0 – 65°C
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Automatic temperature compensation
Ensures consistent and reliable measurement across varying environmental conditions.
Large-Capacity Data Logging
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Storage capacity: 500,000 records
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Real-time data viewing
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USB interface for data export
Designed for long-term monitoring projects requiring historical data traceability.
Industrial-Grade Protection
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Electrode protection level: IP68
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Waterproof and dustproof design
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Portable waterproof carrying case included
Stable performance under humid, wet, or dusty industrial environments.
Professional User Interface
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3.5-inch color LCD touch screen
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Clear data visualization
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Intuitive operational workflow
Enhances field usability and measurement efficiency.
Flexible Power Supply
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Built-in high-capacity lithium battery
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Multiple power supply modes supported
Ensures uninterrupted operation during long-term field deployment.
Liquid Analysis Parameter
Digital pH Meters Technical Specifications
Measurement Performance
| Parameter | Specification |
|---|---|
| Measurement Parameter | pH |
| Measurement Range | 0 – 14 pH |
| Accuracy | ±0.1 pH |
| Resolution | 0.001 pH |
| Working Temperature | 0 – 65°C |
System Configuration
| Parameter | Specification |
|---|---|
| Electrode Type | High-precision full digital electrode |
| Display | 3.5-inch color LCD touch screen |
| Electrode Cable Length | 3 m / 5 m (customizable) |
| Data Storage | 500,000 records |
| Data Interface | USB |
| Battery | Built-in high-capacity lithium battery |
| Protection Rating | IP68 (electrode) |
| Operating Environment | 0 – 50°C, 20 – 80% RH |
| Dimensions | 195 × 70 × 68 mm |
Designed for Long-Term Monitoring Reliability
Instrava Digital pH Meters combine digital electrode technology, high-resolution measurement capability, and large-scale data storage to support professional water quality management.
From industrial compliance verification to environmental field deployment, the system provides stable performance, secure data storage, and precise analytical control.
Instrava — Engineered for Reliable Measurement.
Instrava OEM/ODM
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.
Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.
Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
What are the advantages of a full digital pH electrode compared to analog electrodes?
Full digital electrodes convert analog signals into digital signals directly at the sensor head.
Advantages include:
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Reduced signal attenuation over long cable distances
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Improved resistance to electromagnetic interference
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More stable signal transmission
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Enhanced compatibility with digital communication systems
This architecture is particularly beneficial in industrial environments with high electrical noise.
How does the system achieve anti-interference performance?
Anti-interference capability is achieved through:
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Digital signal conversion at the electrode level
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Shielded cable structure
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Stable internal signal processing algorithms
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Isolation between measurement and power circuits
By minimizing analog transmission length, the system reduces susceptibility to external electromagnetic disturbances.
What is the difference between resolution and accuracy in pH measurement?
Resolution refers to the smallest displayed increment (0.001 pH in this model).
Accuracy indicates the allowable measurement deviation (±0.1 pH).
High resolution enables detection of small value changes, while accuracy defines the true closeness to the actual pH value.
Both parameters should be considered when evaluating instrument suitability for specific applications.
How is long-term drift managed in digital pH systems?
Long-term drift may occur due to:
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Electrode aging
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Reference junction contamination
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Temperature stress
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Chemical exposure
The system supports automatic temperature compensation and high-stability digital processing to reduce drift impact.
Routine calibration and preventive electrode maintenance remain essential for sustained performance.
Does high resolution (0.001 pH) improve industrial process control?
High resolution allows operators to observe subtle fluctuations in pH trends.
In processes requiring tight pH regulation—such as chemical dosing or neutralization control—fine resolution supports more responsive operational decisions.
However, resolution should always be evaluated alongside calibration stability and process repeatability.
Is this system suitable for continuous or long-term monitoring projects?
Yes.
With IP68 electrode protection, 500,000-record storage capacity, and digital signal stability, the system is suitable for extended monitoring tasks in environmental and industrial projects.
For critical applications, periodic calibration planning and electrode inspection are recommended to maintain long-term reliability.
Why Trust Instrava?
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
Please place your trust in us.
