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Liquid Analysis
Laboratory Touch Panel pH Meter
Engineered for Intelligent, Stable and Mobile Laboratory Analysis
Instrava Laboratory Touch Panel pH Meter integrates precision electrochemical measurement with intelligent electrode management and structured data handling.
Equipped with a 5-inch wide-angle LCD display, built-in microprocessor control, automatic buffer recognition, and dual USB communication, the system delivers reliable laboratory-grade pH analysis with enhanced usability and portability.
With high input impedance (≥1×10¹² Ω), ultra-low input current (≤2×10⁻¹² A), and stability of ±0.002 pH / 3h, the instrument ensures minimal signal drift and long-term analytical consistency.
Designed for laboratories requiring accuracy, compact structure, and digital workflow integration.
Liquid Level Switch Description
Laboratory Touch Panel pH Meter Applicable Scenarios
Instrava Touch Panel Benchtop pH Meter is suitable for:
Academic laboratories
Environmental water testing centers
Food & beverage quality labs
Chemical process research facilities
Pharmaceutical and biotechnology laboratories
Routine industrial quality inspection
Its compact structure and rechargeable design also support semi-mobile laboratory applications.
Laboratory Touch Panel pH Meter Engineering Advantages
Intelligent Smart Electrode Recognition
Automatic recognition of different electrodes
Chip-enabled electrodes store and retrieve calibration data automatically
3.5mm electrode interface for fast and secure connection
Reduces manual configuration errors and enhances calibration continuity.
High Stability Electrochemical Architecture
pH range: -2 – 19.999 pH
Resolution selectable: 0.1 / 0.01 pH
Accuracy: ±0.02 pH
Stability: ±0.002 pH / 3h
High input impedance: ≥1×10¹² Ω
Ultra-low input current: ≤2×10⁻¹² A
Ensures signal integrity and repeatable analytical performance.
Multi-Standard Buffer Recognition
Automatic recognition of 15 buffers
Buffer groups: Europe & USA, NIST, China
1, 2, 3 point calibration support
Auto / Manual temperature compensation (0–100°C)
Supports global laboratory calibration standards.
Intelligent Microprocessor Control System
Built-in intelligent functions include:
Automatic calibration
Clock display
Data storage
USB output
Auto power-off (10 min inactivity)
Low voltage alarm
Function configuration settings
Ensures efficient laboratory workflow management.
Dual USB Communication Architecture
Micro USB interface
Standard USB interface
PC data transfer
Battery charging
Data export
Supports structured data management and traceability.
Portable & Rechargeable Design
Built-in rechargeable battery
Up to 30 hours continuous operation
DC 5V / 1A power supply
IP54 protection rating
Compact size and lightweight construction improve deployment flexibility.
Liquid Level Switch Parameter
Laboratory Touch Panel pH Meter Technical Specifications
pH Measurement
| Parameter | Specification |
|---|---|
| Measuring Range | -2 – 19.999 pH |
| Resolution | 0.1 / 0.01 pH |
| Accuracy | ±0.02 pH |
| Stability | ±0.002 pH / 3h |
| Temperature Compensation | 0 – 100°C (Auto / Manual) |
| Input Current | ≤2×10⁻¹² A |
| Input Impedance | ≥1×10¹² Ω |
mV Measurement
| Parameter | Specification |
|---|---|
| Range | -1999.9 – 1999.9 mV |
| Resolution | 0.1 mV |
| Accuracy | ±0.03% FS |
Temperature Measurement
| Parameter | Specification |
|---|---|
| Range | -10 – 110°C |
| Resolution | 0.1°C |
| Accuracy | ±0.4°C (5–60°C), ±0.8°C (other ranges) |
System Parameters
| Parameter | Specification |
|---|---|
| Display | 5-inch white backlit LCD |
| Viewing Angle | 150° (readable up to 5m) |
| Data Storage | 200–300 sets (GLP data with date & time) |
| Communication | Micro USB & Standard USB |
| Power | DC 5V / 1A |
| Battery Life | Up to 30 hours |
| Dimensions | 180 × 130 × 14 mm |
| Net Weight | 280 g |
| Working Temperature | 5 – 35°C |
| Humidity | ≤85% RH |
| Protection Grade | IP54 |
Complete Meter Kit Includes
pH Meter Main Unit
Electrode Holder
Two-in-one pH Combination Electrode with Temperature Probe
pH Buffer Solutions
Power Adapter
Ready for laboratory deployment.
Designed for Compact Intelligent Laboratory Workflows
Instrava Laboratory Touch Panel pH Meter combines intelligent electrode recognition, stable electrochemical architecture, and flexible data connectivity within a lightweight benchtop platform.
It delivers reliable laboratory measurement performance while supporting modern digital data handling requirements.
Instrava — Engineered for Intelligent Analytical Stability.
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 Smart Chip Electrode integrates advanced technology for automatic electrode recognition and calibration. The built-in chip stores calibration data, which is retrieved automatically when the electrode is connected to the meter, ensuring consistent measurement accuracy over time. This minimizes manual setup errors and improves measurement reliability.
The high input impedance (≥1×10¹² Ω) of the instrument allows for more sensitive detection of small signals, making it ideal for precise measurements even in low conductivity samples. This minimizes interference from external electrical noise, enhancing the accuracy of pH readings, especially in complex samples.
The device employs advanced stability algorithms that monitor the pH sensor’s behavior over time, compensating for potential drifts and fluctuations. The stability of the pH readings is maintained at ±0.002 pH for up to 3 hours, ensuring long-term reliability. The auto-hold feature captures and locks stable readings, improving measurement consistency.
The Dual USB interfaces provide flexible connectivity options for data transfer, charging, and PC communication. One USB port is dedicated to data export to PCs or storage devices, while the other handles the device’s power and updates. This architecture supports seamless data storage, real-time communication, and data backup, enhancing laboratory efficiency.
Yes, the device supports multiple electrodes for different measurements. It automatically recognizes compatible electrodes and adjusts settings accordingly. This feature enhances usability, ensuring smooth transitions between different sensor types without manual configuration.
The pH meter is equipped with automatic recognition of 15 buffer solutions, including NIST, USA, Europe, and China standards. You can perform 1 to 3 point calibration using pre-programmed buffer groups, ensuring accurate and reliable calibration across a variety of global standards.
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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