Benchtop pH Meter
Engineered for Laboratory-Grade Accuracy and Stability
Instrava Benchtop pH Meter is designed for precise and stable pH measurement in laboratory and professional analytical environments.
With ±0.01 pH accuracy, automatic two-point calibration, and integrated temperature compensation, the instrument delivers consistent and repeatable analytical performance across a wide range of water-based solutions.
Featuring a 4-digit LCD display with stability indicator and simultaneous pH/temperature readout, the system ensures accurate interpretation of electrochemical measurement results.
For laboratories, research institutions, environmental monitoring departments, and industrial quality control facilities, Instrava provides dependable bench-scale analytical precision.
Liquid Analysis Description
Benchtop pH Meter Applicable Scenarios
Instrava Benchtop pH Meter is suitable for:
-
Laboratory chemical analysis
-
University and research institute experiments
-
Environmental monitoring laboratories
-
Medical and pharmaceutical testing
-
Water treatment quality control
-
Mechanical and industrial process laboratories
Its stable measurement performance and wide range make it ideal for controlled analytical environments.
Benchtop pH Meter Engineering Advantages
High-Precision Measurement Performance
-
pH measurement range: 0.00 – 14.00 pH
-
Resolution: 0.01 pH
-
Accuracy: ±0.01 pH
Ensures laboratory-grade accuracy for routine and advanced analytical testing.
Automatic Two-Point Calibration
-
Automatic buffer recognition
-
Two-point calibration for improved linearity
-
Optional manual calibration method
Allows flexible calibration strategies for different solution types and measurement requirements.
Automatic Temperature Compensation (ATC)
-
Temperature range: 0 – 100°C
-
ATC range: 0 – 50°C
-
Simultaneous pH and temperature display
All pH readings are automatically temperature compensated to enhance measurement reliability and consistency.
Stability Indicator & Clear Display
-
4-digit LCD display
-
Unique stability indicator
-
Simultaneous display of pH and temperature
Ensures operators record values only after signal stabilization, reducing reading uncertainty.
Reliable and Stable Instrument Structure
-
Combination electrode with high sensitivity
-
Fast response time
-
Excellent repeatability
-
Stable internal circuit design
Engineered for consistent laboratory operation and repeatable analytical performance.
Global Power Compatibility
-
Powered by universal AC adapter
-
Suitable for international voltage standards
Supports laboratory deployment worldwide.
Liquid Analysis Parameter
Benchtop pH Meter Technical Specifications
Measurement Performance
| Parameter | Specification |
|---|---|
| pH Range | 0.00 – 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Temperature Range | 0 – 100°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ±0.5°C |
| Automatic Temperature Compensation | 0 – 50°C |
Calibration & Display
| Parameter | Specification |
|---|---|
| Calibration Method | Automatic two-point calibration |
| Calibration Mode | Automatic / Manual |
| Display | 4-digit LCD |
| Stability Indicator | Yes |
| Simultaneous pH & Temp Display | Yes |
Mechanical & Environmental
| Parameter | Specification |
|---|---|
| Operating Environment | 0 – 50°C |
| Relative Humidity | ≤ 95% RH |
| Dimensions | 240 × 185 × 100 mm |
| Weight | 660 g |
| Power Supply | Universal power adapter |
Designed for Accurate Laboratory Analysis
Instrava Benchtop pH Meter combines measurement precision, automatic temperature compensation, and calibration flexibility to deliver dependable analytical performance in laboratory environments.
Whether used for environmental analysis, academic research, medical testing, or industrial quality verification, the system ensures stable readings and repeatable results.
Instrava — Engineered for Precision and Reliability in Laboratory 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.
How should buffer solutions be selected for accurate calibration?
Buffer selection should match the expected sample range.
For neutral water samples, pH 7.00 and pH 4.00 or 10.00 buffers are commonly used. For alkaline or acidic samples, choose calibration points that bracket the expected measurement range.
Fresh, uncontaminated buffer solutions are critical to maintaining ±0.01 pH accuracy.
How does two-point calibration ensure measurement linearity?
Two-point calibration establishes slope and offset of the electrode response curve.
By calibrating at two known pH values, the instrument compensates for electrode sensitivity variations and reference potential deviation.
This improves linearity across the measurement range and ensures analytical reliability.
What factors influence calibration linearity in laboratory conditions?
Calibration linearity can be affected by:
-
Electrode aging or contamination
-
Temperature variation between buffers
-
Improper buffer storage
-
Incomplete electrode stabilization
Consistent laboratory conditions and proper electrode maintenance are essential for maintaining calibration integrity.
What is the error range associated with Automatic Temperature Compensation (ATC)?
ATC compensates for electrode slope variation caused by temperature changes within the specified 0–50°C compensation range.
However, ATC does not correct chemical equilibrium changes in the sample itself.
Temperature mismatch between calibration buffers and sample solution may introduce additional deviation. For highest accuracy, calibration and measurement should be performed under similar temperature conditions.
How does the stability indicator improve measurement reliability?
The stability indicator monitors signal fluctuation before confirming the final reading.
It ensures the displayed value is recorded only after the electrode potential reaches equilibrium.
This reduces premature readings and enhances repeatability in laboratory analysis.
How frequently should laboratory pH meters be calibrated?
Calibration frequency depends on application sensitivity:
-
Daily calibration for high-precision laboratory research
-
Before each measurement session for critical analysis
-
After electrode replacement or cleaning
Regular calibration ensures traceable and compliant analytical performance.
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.
