Advancing Water Security with Precision Sensing
Modern water and wastewater systems must deliver safe drinking water, treat industrial discharge, and manage environmental sustainability — all under increasing demand. From treatment plants to remote pumping stations, our sensors support smarter monitoring, predictive maintenance, and resilient operations. With growing adoption of wireless modules and real-time analytics, water management is entering a new era of efficiency.
From raw water intake and pumping stations to treatment, aeration, and distribution, stable operation depends on accurate measurement, intelligent control, and energy-efficient drives.
Longvista provides integrated automation solutions for water and wastewater applications, combining industrial sensors, frequency inverters (VFDs), and control system integration. Our solutions help operators maintain stable process conditions, reduce energy consumption, and protect equipment in demanding environments.
We support engineers, system integrators, and plant operators with application-driven sensor selection, VFD coordination, and signal compatibility for PLC and SCADA systems — ensuring that each measurement contributes directly to reliable and efficient system control.
Typical Water & Wastewater Automation Scenarios
💦 Drinking Water Supply
Accurate monitoring of pressure and flow in clean water pipelines.
♻️ Wastewater Treatment
Level and flow sensors optimized for sewage and sludge.
🏭 Industrial Water
Corrosion-resistant sensors for chemical-laden fluids.
🌍 Environmental Monitoring
Sensors for river, groundwater, and rainwater systems.
Key Challenges
Precision Limitations
Over time, measurement devices may suffer from reduced accuracy due to factors like:
Changes in water quality (e.g., turbidity, conductivity)
Aging pipelines and infrastructure
Environmental interference
Inaccurate sensor readings can compromise water treatment decisions, resource allocation, and long-term sustainability strategies.
Sensor Stability in Harsh Environments
Water monitoring systems often operate in challenging conditions:
Extreme temperatures
High humidity or chemical exposure
Biofouling or corrosion
Such factors can degrade sensor components, leading to unstable readings, higher maintenance needs, and reduced lifecycle performance.
Medium Compatibility Issues
Each water source—whether potable, industrial, or wastewater—contains unique chemical compositions. Without proper compatibility:
Sensors may degrade or fail prematurely
Corrosive or abrasive media may reduce accuracy
Specific applications may require specialized sensor materials
Using non-compatible sensors increases the risk of downtime and water quality issues.
Lack of Integrated Communication
Legacy water management systems often lack modern communication capabilities. This leads to:
Delayed data transmission
Poor real-time visibility
Inefficiencies in remote monitoring or automated control
To optimize operations and ensure timely decision-making, water facilities need sensors that support wireless data transfer, IoT connectivity, and SCADA/PLC integration.
Solutions
Level Sensors
A cost-effective, reliable solution for general-purpose level monitoring.
Equipped with a special anti-clogging design for use in harsh, contaminated environments.
Non-contact measurement ensures minimal maintenance and improved hygiene.
High-frequency radar ideal for extreme conditions such as turbulence, steam, or foam.
Flow Meters
Offers stable and accurate measurement with minimal maintenance requirements.
External installation supports pipe diameters from DN32–6000 mm; ideal for non-conductive fluids and retrofitting.
Pressure Sensors
Designed for frequency conversion water supply systems with long-term stability.
Utilizes piezoresistive silicon technology for reliable industrial pressure monitoring.
Features ceramic piezoresistive technology for corrosion resistance and high accuracy.
Benefits
📏 Level Sensors
Delivering reliable level detection for tanks, basins, and open channels.
High Precision: Up to 0.25% F.S or ±1mm for accurate level control.
Non-Contact Options: Radar and ultrasonic models minimize wear and reduce maintenance.
Chemical Resistance: Built to handle aggressive wastewater media.
Simple Installation: Supports diverse configurations with easy setup.
🌊 Flow Meters
Supporting accurate, low-maintenance flow measurement for varied water types.
Measurement Accuracy: Up to 0.5% for reliable monitoring of flow rates.
Low Maintenance: Minimal moving parts reduce service intervals.
Wide Compatibility: Supports a broad range of pipe sizes and materials.
Versatile Applications: Ideal for clean water, sewage, or industrial effluent.
⚙️ Pressure Sensors
Designed for dependable pressure monitoring in challenging environments.
Exceptional Accuracy: Up to 0.1% F.S for precise pressure control.
Durability: 200% F.S safe overload and robust construction for harsh settings.
Long-Term Stability: Maintains 0.1% F.S ±0.05% over time.
Wide Range: Covers -1 to 1000 Bar, adaptable to multiple system types.
