Smart Water Quality Data Recorder
The Water Quality Monitoring System’s water quality data recorder features 7 analog channels, 2 pulse channels, and USB and serial communication ports.  The durable and powerful datalogger is enclosed within a sturdy weatherproof case.  The Water Quality Monitoring System's datalogger will operate for several months before its internal 12VDC battery requires recharging.

Powerful PC and PDA Software
The WQMS Water Quality Monitoring System includes Windows™-based Global Logger II software, which makes accessing stored data and setting options easy.  The software provides many useful features, such as real time readout, measurement interval and engineering unit selection, station ID setting, and sensor calibration.  The WQMS Water Quality Monitoring System also includes Windows™ CE based PDA software for simple data collection in the field.  Data downloaded from the recorder can easily be opened in any PC spreadsheet program for analysis and graphic presentation.  NOTE: The Palm operating system is NOT supported. 

Rugged Water Quality Monitoring System Sensors
The WQMS Water Quality Monitoring System comes standard with four rugged and reliable 4-20 mA water quality sensors, including our water temperature sensor, pH sensor, conductivity sensor (with a 0 to 5000µS range standard), and dissolved oxygen sensor.  Each sensor is mounted on 25' of marine-grade cable, with lengths up to 500' available by special order.  The sensors’ electronics are completely encapsulated in marine-grade epoxy within a stainless steel housing.  Each sensor outputs a 4-20 mA signal.

Remote Communication Options
To add remote communication capabilities, select the GL500-Mod Modem Package for telephone modem communications (see Options) or the RM100 for radio communications.  We also offer solar panels and a battery charger to support your WQMS installation. 

Customize for Your Application
To customize your WQMS, you can select up to three additional analog sensors and two digital sensors from Global Water’s line of rugged water quality, weather, level, and flow sensors.  Please see Options below and the sensors in the water quality and weather section of our catalog for additional information.  If you require a unique water quality monitoring system to meet the needs of your specific application, Global Water can work with you to design a factory-integrated custom system.

Water Quality Monitoring System Specifications

Global Data Logger
Memory:  Non-volatile flash memory
Power: Voltage:  7.2 VDC Min. to 24.0 VDC Absolute Max
   Standby Current:  70uA Typical
   Logging Current:  5mA Typical + sensor current
Analog Sensor Inputs:  4-20mA (0-5VDC as factory option)
   Resolution:  12-Bit, 4096 Steps
   Channels:  7 Input channels + battery voltage monitor
   Sensor Warm-up Time:  Programmable, 0-15 Sec
Digital Inputs:  2 Independent pulse counters
   Maximum Input Voltage:  24VDC
   Maximum Frequency:  100Hz
   Minimum Pulse Width:  2mS
   Maximum Count:  65,535 (16-Bit)
Sample Now Input:  Sample-on-Demand input, software enabled
   Maximum Input Voltage:  24VDC
   Minimum Pulse Width:  2mS
Sample Modes:  Fixed Interval Programmable from 1 Sec. to >1 Year
   High Speed 10 Samples per second
   Logarithmic Sample Rate (Approximation)
   Exception (Log only on deviation from previous reading)
Storage Capacity: 40,879 Recordings for all inputs plus time stamp
Data Overwrite: Select memory wrap or unwrap (unwrap will stop logging data once memory is full)
Communication Ports: RS-232 DB9 or USB Type B
Selectable Baud Rates: 9600, 19200, 28800, 38400, 57600, 115200
Clock: Synchronizes to the time and date of user's computer
Operating Temperature: Industrial, -40ºC to +85ºC (Battery may not apply)
Enclosure: Expanded UV protected PVC (5" x 2" x 3")
Weight: 1.5 lbs (with weather-proof enclosure)

Data Logger Software
Compatible with Microsoft's Windows 98, ME, 2000, NT, and XP
Windows and Excel are trademarks of the Microsoft Corporation
Tabular Display/Printout
Data in standard spreadsheet format (.CSV)
Programmable alarm start and stop times
Field calibration software and help files included

Weather-Proof Enclosure
Expanded UV protected PVC (9" x 7.5" x 4.5")
Battery: 12 Volt, 2.2 A/hr., Rechargeable (Gell Cell)
Weight: 3.5 lbs (with data logger)

Water Quality Monitoring System Temperature Sensor
Range: -50°C to +50°C
Accuracy: ±0.2°F or ±0.1°C
Maximum Pressure (Open Water): 200 psi
Operating Voltage: 10-36 VDC
Current Draw: Same as sensor output
Warm Up Time: 5 seconds minimum
Operating Temperature: -50° to +100°C
Size of Probe: 4-1/2" L x 3/4" Diameter
Weight: 8 ounces
 

Water Quality Monitoring System pH Sensor
Range: 0-14 pH
Accuracy: 2% of full scale
Maximum Pressure: 40 psi
Operating Voltage: 10-30 VDC
Current Draw: 5.5 mA plus sensor output
Warm Up Time: 3 seconds minimum
Operating Temperature: -5° to +55°C
Size of Probe: 10" L x 1-1/4" Diameter
Weight: 1 lb.

Water Quality Monitoring System Conductivity Sensor
Range: 0-5,000, 0-10,000, 0-20,000 Micro Siemens (micro mhos) per cm
Accuracy: 1% of full scale
Maximum Pressure: 50 psi
Operating Voltage: 12VDC (± 5%)
Current Draw: 0.8 mA plus Sensor output
Warm Up Time: 3 seconds minimum
Operating Temperature: -40° to +55°C
Size of Probe: 12" L x 1" Diameter
Weight: 8 ounces
Temperature Compensation: 2% per °C
Electrodes: 316 Stainless Steel