Industrial pH Meters
Engineered for Data-Driven Water Quality Monitoring
Instrava Industrial pH Meters are designed for professional field monitoring and digital water quality data acquisition.
Beyond standard pH measurement, this device integrates large-capacity storage, RS485 Modbus RTU communication, USB data export, and optional 4G remote transmission and GNSS positioning — enabling structured, traceable, and scalable monitoring systems.
With IP65 main unit protection, IP68 electrode rating, and industrial-grade construction, the instrument is suitable for continuous deployment in demanding environmental and industrial applications.
For projects requiring reliable measurement and secure data management, Instrava delivers a complete field-ready solution.
Liquid Analysis Description
Industrial pH Meters Applicable Scenarios
Instrava Industrial pH Meters are suitable for:
-
Municipal wastewater treatment monitoring
-
Surface water and environmental inspection
-
Industrial effluent compliance verification
-
Emergency field sampling and mobile testing
-
Aquaculture water management
-
River basin monitoring projects
-
Smart water and IoT-based environmental systems
With RS485 communication and optional DTU-4G module, the device can integrate into distributed monitoring networks.
Industrial pH Meters Engineering Advantages
High-Visibility Industrial Display
-
3.5-inch display
-
320 × 480 resolution
-
Clear visualization of measurement values and system status
-
Chinese / English language switching
Designed for professional field operation with improved readability.
Industrial-Grade Data Logging Capability
-
8GB storage capacity
-
Up to 280 million records (single parameter)
-
Adjustable storage interval: 1–60 minutes
-
Automatic daily file generation
Ensures long-term monitoring without data loss.
Structured Data Export System
-
USB connection generates virtual hard disk
-
Historical data accessible directly via PC
-
Export format: Excel files
-
One file per day for efficient filtering and analysis
Supports compliance documentation and structured reporting workflows.
Communication & Expansion Flexibility
-
Sensor communication: RS485 Modbus RTU
-
Single 485 or multi-drop 485 harness options
-
Default 5-meter cable (customizable)
-
Optional DTU-4G module for remote transmission
-
Optional GNSS positioning module
-
Mobile data access via OTG (optional)
Enables scalable integration into digital monitoring systems.
Industrial Protection & Portable Design
-
Main unit protection: IP65
-
Electrode protection: IP68
-
Aluminum alloy black carrying case
-
Instrument size: 167 × 80 × 30 mm
-
Weight: 263 g
Engineered for rugged field deployment and easy transport.
Dual Power Supply
-
Battery powered
-
External dual power configuration support
Provides flexible deployment for laboratory, vehicle-mounted, or remote field use.
Measurement Performance
-
pH range: 0 – 14 pH
-
Measurement accuracy: ±0.1 pH
Designed for stable and reliable water quality verification across industrial and environmental monitoring tasks.
Liquid Analysis Parameter
Industrial pH Meters Technical Specifications
Measurement Parameters
| Parameter | Specification |
|---|---|
| pH Range | 0 – 14 pH |
| Accuracy | ±0.1 pH |
Display & Interface
| Parameter | Specification |
|---|---|
| Screen Size | 3.5 inch |
| Resolution | 320 × 480 |
| Language | Chinese / English |
| Operation | Full keypad (wet-hand operable) |
Data & Storage
| Parameter | Specification |
|---|---|
| Storage Capacity | 8 GB |
| Max Records | 280 million (single parameter) |
| Storage Interval | 1–60 min adjustable |
| Data Export | USB virtual disk |
| Export Format | Excel (daily file separation) |
| Mobile Data Access | OTG supported (optional) |
Communication & Expansion
| Parameter | Specification |
|---|---|
| Sensor Communication | RS485 Modbus RTU |
| Electrode Harness | Single 485 / Multi-drop 485 |
| Cable Length | 5 m standard (customizable) |
| 4G Module | DTU-4G optional |
| GNSS Positioning | Optional |
Mechanical & Environmental
| Parameter | Specification |
|---|---|
| Instrument Size | 167 × 80 × 30 mm |
| Weight | 263 g |
| Main Unit Protection | IP65 |
| Electrode Protection | IP68 |
| Operating Temperature | 0 – 40°C |
| Relative Humidity | ≤ 85% RH (non-condensing) |
| Carrying Case | Black aluminum alloy |
Designed for Smart Water Monitoring Systems
Instrava Industrial pH Meters combine measurement accuracy, digital storage capability, and network-ready communication to support modern environmental monitoring and industrial water compliance projects.
From standalone field verification to integrated remote data transmission systems, Instrava provides reliable instrumentation designed for structured data management and long-term operational stability.
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 recommended practices for RS485 wiring in industrial environments?
For stable RS485 Modbus RTU communication:
-
Use shielded twisted pair cable.
-
Keep total bus length within recommended Modbus limits.
-
Apply proper termination resistors at both ends of the bus.
-
Avoid star topology; use daisy-chain wiring.
-
Ensure common ground reference to prevent potential difference interference.
Correct bus architecture significantly reduces communication errors in multi-device installations.
How many devices can be connected in a multi-drop RS485 network?
In standard Modbus RTU architecture, up to 32 devices can be connected per segment without repeaters.
For larger systems:
-
Use RS485 repeaters or isolation modules.
-
Segment the network to maintain signal integrity.
-
Ensure each device has a unique Modbus address.
Network planning should consider cable length, baud rate, and electromagnetic interference.
How is 4G remote transmission stability ensured in field deployment?
When using the optional DTU-4G module:
-
Install in areas with stable cellular signal strength.
-
Use industrial-grade SIM cards for continuous data transmission.
-
Configure heartbeat packets to maintain persistent connection.
-
Implement automatic reconnection logic within the DTU configuration.
For critical monitoring projects, redundancy planning is recommended.
How is data integrity protected during long-term monitoring?
The system ensures data reliability through:
-
Local 8GB storage backup (up to 280 million records).
-
Adjustable logging intervals (1–60 minutes).
-
Structured Excel export with daily file separation.
-
USB virtual disk access for offline retrieval.
Even if communication is temporarily interrupted, local storage prevents data loss.
Can historical data be accessed without specialized software?
Yes.
When connected via USB, the device generates a virtual hard disk. Data files are stored in Excel format and organized by date.
This allows direct access through standard PC systems without proprietary software dependency.
How does the system support scalable IoT monitoring architecture?
The combination of:
-
RS485 Modbus RTU communication
-
Optional DTU-4G remote transmission
-
GNSS positioning module
-
High-capacity onboard storage
allows deployment in:
-
Distributed river basin monitoring
-
Smart wastewater treatment plants
-
Mobile environmental inspection projects
-
Remote aquaculture farms
Instrava industrial pH terminals are designed to operate as independent field nodes or integrated components within larger smart water management systems.
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.
