Portable pH Meter-Liquid Analysis Instruments
In industrial environments, inaccurate pH readings can directly impact product quality, regulatory compliance, and equipment safety. Laboratory-grade instruments are often unsuitable for field conditions, while low-end handheld meters lack long-term stability and measurement repeatability.
The Instrava Portable pH Meter is engineered for industrial field verification, process troubleshooting, and on-site water quality control. Designed with high-stability signal processing and industrial-grade electrode compatibility, it provides reliable, repeatable pH measurement in demanding environments where accuracy and durability are essential.
This device is not positioned as a consumer tester — it is a field instrument for professional use in utilities, process industries, and environmental monitoring.
Liquid Analysis Description
Portable pH Meter Typical Application Scenarios
The portable pH meter is suitable for:
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Industrial water treatment plants
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Cooling tower water monitoring
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Wastewater discharge compliance testing
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Boiler feedwater inspection
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Chemical process verification
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Food & beverage process quality control
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Environmental field sampling
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Laboratory cross-check and calibration verification
It serves both on-site verification tool and temporary monitoring instrument in commissioning or maintenance phases.
Portable pH Meter Engineering Advantages
Industrial Measurement Stability
High-input impedance measurement circuit ensures stable signal acquisition and minimizes drift during field operation.
High-Accuracy Electrochemical Detection
Compatible with precision pH electrodes to deliver reliable readings suitable for regulatory or process-critical applications.
Temperature Compensation
Automatic temperature compensation improves measurement accuracy across varying field conditions.
Portable but Process-Oriented
Compact and lightweight for field work, yet built to withstand industrial site usage.
Digital Display & User Interface
Clear digital display ensures quick data interpretation during inspections or troubleshooting.
Low Power Consumption
Optimized power management for extended field operation.
Liquid Analysis Parameter
Portable pH Meter Technical Specifications
| Parameter | Specification |
|---|---|
| Measuring Range – pH | -2.00 … 16.00 |
| Measuring Range – mV | -1999 … 1999 mV |
| Measuring Range – Temperature | -5 ℃ … 105 ℃ |
| Resolution – pH | 0.01 pH |
| Resolution – mV | 1 mV |
| Resolution – Temperature | 0.1 ℃ |
| Electronic Unit Measurement Error – pH | ±0.01 pH |
| Electronic Unit Measurement Error – mV | ±1 mV |
| Electronic Unit Measurement Error – Temperature | ±0.3 ℃ |
| pH Calibration | 1-point, 2-point, or 3-point |
| Isoelectric Point | pH 7.00 |
| Buffer Solution | 8 groups |
| Power Supply | DC 6V / 20 mA; 4 × AA/LR6 1.5V or NiMH 1.2V rechargeable |
| Size / Weight | 230 × 100 × 35 mm / 0.4 kg |
| Display | LCD |
| pH Input | BNC, resistance > 10¹² Ω |
| Temperature Input | RCA (Cinch), NTC 30kΩ |
| Data Storage | Calibration data; 198 groups measurement data (99 groups for pH, 99 groups for mV) |
| Working Condition – Temperature | 5 … 40 ℃ |
| Working Condition – Relative Humidity | 5% … 80% (without condensation) |
| Installation Grade | II |
| Pollution Grade | 2 |
| Altitude | ≤ 2000 m |
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 is the measuring range of the portable pH meter?
The meter measures pH from -2.00 to 16.00, mV from -1999 to 1999, and temperature from -5 °C to 105 °C, suitable for most industrial liquids and process monitoring.
How accurate is the portable pH meter?
Electronic measurement errors are ±0.01 pH, ±1 mV, and ±0.3 °C for temperature, ensuring precise field and process measurements.
Does the meter support calibration in the field?
Yes. It supports 1-point, 2-point, or 3-point calibration using 8 standard buffer solutions for reliable measurement verification.
Can the meter store measurement data?
Yes. The instrument can store up to 198 groups of data, including 99 groups each for pH and mV, along with calibration history for traceability.
What types of electrodes are compatible?
It accepts standard industrial BNC pH electrodes with high input resistance (>10¹² Ω) and NTC 30kΩ temperature probes for flexible application.
Is it suitable for field operation?
Yes. It operates in 5–40 °C, 5–80% relative humidity, with a rugged LCD display and compact, lightweight design for on-site industrial use.
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.
