How to Choose the Right Liquid Analysis Solution for Industrial Applications
Selecting the right liquid analysis solution is critical for industrial process efficiency, product quality, and regulatory compliance. With multiple parameters...
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Liquid Analysis
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
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.
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 Choose Instrava
Built on Consistency, Not Claims
Focused on Industrial Applications
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
Strict Product Selection Criteria
Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
Reliable Supply & Quality Consistency
We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.
Practical, Experience-Based Support
Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.
Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.
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