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Smart StormModel USI Water Quality -Multi-Parameter Water Analyser

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The Universal Smart Instrument (USI) Water Quality Analyser is a high-performance, online multi-parameter monitoring solution for water, wastewater, environmental, and industrial applications which delivers real-time measurement of up to 8 water quality parameters, combining digital and ISE sensors in one compact, rugged IP65 weatherproof analyser. A full-colour touchscreen, intuitive menus, and plug & play sensor recognition enable fast, easy, and reliable installation and calibration. Integrated 30-year logger, Windows-based reporting software, and cloud-enabled IoT access provide continuous monitoring, secure data storage, and optional remote visibility of live and historical data. The USI supports Modbus RTU (RS485), 4–20 mA outputs, and relay control, with optional GPRS communication. Ideal for wastewater and drinking water treatment, aquaculture, river and stormwater monitoring, chemical dosing, pH control, pollution detection, and industrial water monitoring.
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The Smart Storm Universal Smart Instrument (USI) is an advanced online water quality analyser engineered for organisations requiring reliable, continuous, and highly accurate water quality data. The system combines measurement precision, operational simplicity, and cloud-based intelligence in a single scalable platform.

Multi-Parameter Measurement Capability
The USI supports eight simultaneous input channels, including:

4 x ISE sensor inputs
4 x digital sensor inputs
4–20 mA analogue inputs
This flexible configuration allows users to tailor the analyser to specific monitoring needs, from regulatory compliance to process optimisation.

Wide Sensor Compatibility
The analyser supports a comprehensive range of Smart Storm probes:

ISE Sensors

Ammonia
Ammonium
Calcium
Chloride
Nitrate
Potassium
pH / ORP
Digital Sensors
(All digital probes include integrated temperature compensation)

COD / BOD / TOC / DOC
Conductivity
Inductive Conductivity
pH / ORP
Turbidity
Total Suspended Solids (TSS)
Additional parameters on request
User-Focused Design


A 7-inch TFT touchscreen with a high-resolution graphical interface (800 × 480) provides clear visualisation of live values, trends, alarms, and diagnostics. Plug & Go sensor recognition enables automatic sensor detection, reducing commissioning time and minimising configuration errors.

Calibration routines are guided and simplified, making the USI suitable for both technical specialists and general operators.

Data Management & IoT Connectivity
The USI incorporates a 30-year internal data logger, ensuring long-term secure storage of measurement data. Integration with PC-based Windows software and Smart Storm’s cloud dashboard enables:

Real-time data access
Historical reporting and trending
Remote monitoring and diagnostics
Alarm notifications and event tracking
Industrial Communication & Control
The analyser is designed for seamless integration into existing control systems, offering:

Modbus RTU (RS485)
4 x 4–20 mA outputs
6 x SPDT relays (10A / 230V) for alarms or dosing control
Optional GPRS module for remote installations
Rugged Construction
Housed in a compact IP65 enclosure, the USI is suitable for indoor and outdoor installations in demanding environments such as treatment plants, pump stations, industrial facilities, and remote monitoring sites.

Key Applications
Wastewater treatment and discharge compliance
Drinking and clean water monitoring
Aquaculture and environmental monitoring
River, stormwater, and groundwater analysis
Chemical dosing and pH control
Pollution detection and early warning systems
Industrial process water monitoring