Watershed Monitoring Instrumentation

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Data Logger Configured with Water Level Sensor

Global Water WL 16 Water Level Recorder


WL16 Data Logger

Memory: Non-volatile flash memory
Storage Capacity: 81,759 time and date stamped data points (including battery voltage)
Sample Modes: High Speed (10 samples per second), Fixed Interval (Programmable from 1 sec to >1 year), Logarithmic, Exception
Resolution: 12 bit
Data Overwrite: Select memory wrap or unwrap
Power: Two 9VDC Alkaline Batteries
Battery Life: Up to 1 year (depending on recording intervals)
Temperature: -40° to +185°F
Humidity: 0-95% non-condensing
Clock: Synchronizes to the time and date of user's computer
Clock Accuracy: 0.0025% or 1 minute in 1 month
Enclosure: 1 7/8" diameter x 11.5" length (fits inside a 2" well), stainless steel UV protected PVC, vented for barometric pressure compensation
Weight: 1.6 lbs (with battery and 25' cable)
Communication Port:
WL16S: RS-232 4-pin circular connector
WL16U: USB Type B
Selectable Baud Rates: 9600,19200,28800,38400,57600,115200

WL16 Vented Cable

Conductors: 4 each 22 AWG with aluminum mylar shield
Material: Marine grade polyurethane jacket, polyethylene vent tube
Outside Diameter: 3/16"
Temperature Range: -22° to +185°F
Length: Standard 25' (up to 500' from factory)

WL16 Submersible Pressure Transducer

Sensor Element: Silicone Diaphragm, Wet/Wet Transducer
Pressure Range: 0-3', 15', 30', 60', 120', 250', 500'
Linearity and Hysteresis: ±0.1% FS
Overpressure: Not to exceed 2 x full scale range
Accuracy: ±0.1% of full scale at constant temperature, ±0.2% over 35°F to 70°F range
Compensation: Uses dynamic temperature compensation 30-70 F. Automatic barometric pressure compensation
Housing: Up to 7" long x 13/16" diameter (small enough for a 1" well)
Material: 304L Stainless Steel, SS microscreen with hundreds of holes to prevent fouling, electronics are fully encapsulated in marine grade epoxy, guaranteed not to leak

WL16 Software

Compatible with Microsoft's Windows 98, ME, 2000, NT, and XP
Tabular Display/Printout
Data in standard spreadsheet format (.CSV)
Field calibration software and help files
PDA software: CE and Mobile compatible.

Copyright 2001 Geo Scientific Inc., All Rights Reserved
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