Water Quality Analyzer – WQA600

 

isolv
Self-powered water quality system all around the city.

Water Quality Monitoring for Smart Distribution Networks
High-precision water quality measuring and analysis, online data collection and streaming make the WQA-600 Series an integral component of ‘intelligent’ operations in water distribution systems. The device facilitates monitoring for a reliable, efficient and safe smart water distribution network, at every critical point along the network.

6-Volt Multi-Parameter System
The best solution for gathering and communicating water quality data without relying on external power supply. The built-in low energy and long-life battery pack is enhanced with automated and on-demand measurement settings. Measurement frequency can be switched to turbo mode when a water quality event is detected.

VERY Easy Installation & Maintenance
Long-term battery operation along with minimum calibration requirements and waterproof casing allow for reduced site visits and minimized maintenance. Ideal for isolated locations and network points without power supply.

System Highlights

  • Total / Free chlorine, turbidity, ORP, pH, temperature, conductivity measurements.
  • Option for pressure and flow Electrode standby when no flow and no chlorine
  • Continuous measurement triggered by water quality events
  • IP67 water proof; UV resistant

System Benefits

  1. Efficient disinfection monitoring
  2. Real time quality analysis for varying water source
  3. Normal & turbo measurement frequency
  4. Standard sensors
  5. Easy integration with SCADA
  6. Optimise man power deployment
  7. Maintain public safety

Data Logging, Telemetry & Real-Time Alerts

The WQA-600 Series data measurements and alarms are logged locally and also transmitted via GPRS communication systems. The device’s open data protocol allows for easy integration with any SCADA and analysis systems.

OPERATING TEMPERATURE FLOW
Ambient temperature 1.5°C to 55°C (35°F to 131°F)
Storage temperature 0°C to 60°C (32°F to 140°F)
CHLORINE MEASUREMENT (Free or Total)
Electrode Passive-operated sensor with gold
cathode & silver/silver chloride anode
pH operation range 4 to 8
Free chlorine measurement range 0-2 ppm or 0-10 ppm
Resolution 0.01 ppm
Repeatability 1% span
Body material PVC
Membrane material PTFE
Membrane cap material PBT (GF30), PVDF
pH MEASUREMENT
Range 0 to 14
Electrode Ceramic diaphragm and gel filling
Input impedance 0.5 x 1012 Ω
Resolution 0.01 pH
Repeatability 0.01
Body material Glass
ORP (REDOX) MEASUREMENT
Measurement range 0 to 2000 mV
Sensor Ceramic diaphragm and gel filling
Resolution 1 mV
Body material Glass or plastic
Repeatability 0.01
TEMPERATURE MEASUREMENT
Sensor PT-100
Range 1.5°C to 50°C (35°F to 122°F)
Resolution 0.1°C (32°F)
Repeatability 0.1
TURBIDITY MEASUREMENT
Sensor White light nephelometry
(90° and 180°)
Measuring range 0 to 20 NTU
Accuracy 2-4% FS
Resolution 0.001
Repeatability 0.01
Colorimeter body material PP
Bubble removal Automated internal mechanism
Cell cleaning Automated internal mechanism
CONDUCTIVITY
Sensor k=1 cell constant conductivity
Range 20 to 5000 μSim
Accuracy 2-4% FS
Resolution 1 μs
Repeatability 0.01
Measuring surface Graphite or similar
Body material Plastic
Temperature compensation NTC
FLOW SENSOR (Optional)
Sensor type Pulse
Accuracy 3-5% FS
Repeatability 0.01
Measurement range Adaptive
PRESSURE SENSOR (Optional)
Type Pressure membrane
Measurement range 0 to 10 bar (0 to 145 psi)
Resolution 0.05 bar (0.72 psi)
Accuracy 3% FS
Pressure inlet 6 mm (OD) pipe connector
INTEGRATED FLOW SWITCH
Sensor Inductive proximity sensor
Output Volt free contact
Minimum flow 35 l/h
Minimum pressure 0.5 bar
MECHANICAL DATA
Dimensions (electronics enclosure) 280 x 380 x 180 mm
(H x W x D ) (11" x 15" x 7.1")
Dimensions (sensors enclosure) 560 x 380 x 180 mm
(H x W x D) (22" x 15" x 7.1")
Dimensions (complete system) 840 x 380 x 180 mm
(H x W x D ) (33" x 15" x 7.1")
Cable entries PG 7 and PG 9 cable glands
Ingress protection IP 67
Weight (approx.) 16 kg (35.2 lbs.)
ELECTRICAL CONNECTION
Power supply 12 X 3.7 V batteries, Size D
System 24 months autonomy (1 reading/h)
Power button For technician/field access
LOCAL DATA CONNECTION
USB Maintenance & calibration port
INTERNAL COMMUNICATION PROTOCOL
Modbus
GSM/GPRS COMMUNICATION
Low power modem Default 1 transmission/day (adjustable)
Outdoor antenna (included) SMA connector
WATER SUPPLY - 6 mm (OD) pipe connectors
Water inlet 1
Pressure inlet 1
Outputs 2 drainage
1 sampling water
DATA LOGGING
Memory Cyclic and block mode
Capacity 65,000 readings
Mode Count and event
Frequency (water quality parameter) 15 min - 1 day
Event logging Yes
Alarms SMS/Email




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