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Water Level Data Loggers
Power: Two 9VDC Alkaline Batteries
Battery Life: Up to 1 year (depending on recording intervals)
Resolution: 12 bit
Moisture Protection: Protective coating (helps prevent damage to electronics from condensation)
Temperature: -40° to +185°F (-40° to +85°C)
Humidity: 0-95% non-condensing
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
Data Overwrite: Select memory wrap or unwrap (unwrap will stop logging data once memory is full)
Clock: Synchronizes to the time and date of user's computer
Clock Accuracy: 0.0025% or 1 minute in 1 month
Clock Format: Month/Day/Year Hour/Minute/Second
Enclosure: 1-7/8 inch dia. x 11-1/2 inch length (4.8 cm dia. x 29.2 cm length) (fits inside a 2 inch well), stainless steel UV protected PVC vented for barometric pressure compensation
Weight: 1.6 lbs (0.7 kg) (with battery and 25 ft cable)
Communication Port:
WL16U: USB Type B
Selectable Baud Rates: 9600,19200,28800,38400,57600,115200
Global Water Level Loggers Software: Microsoft's Windows 98, ME, 2000, NT, XP, Vista, and 7
Water Level Logger Vented Cable
Conductors: 4 each 22 AWG
Material: Marine grade polyether jacket, polyethylene vent tube, full foil shield
Shield: Aluminum Mylar
Outside Diameter: 0.306 inch (0.78 cm)
Temperature Range: -22° to +185°F (-30° to +85°C)
Length: 25 ft
Submersible Pressure Transducer
Sensor Element: Silicone Diaphragm, Wet/Wet Transducer
Water Level Measuring Range: 0-30 ft
Linearity and Hysteresis: ±0.1% FS
Warm-Up Time: 3 seconds recommended
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 (1.37° to 21.1°C) range
Compensation: Uses dynamic temperature compensation 30 to 70°F (-1.1 to 21.1°C). Automatic barometric pressure compensation
Housing: Up to 13/16" diameter x 5-1/2" long (2 cm dia. x 14 cm long)(small enough for a 1" well)
Material: 304L Stainless Steel, SS microscreen (hundreds of holes to prevent fouling), electronics are fully encapsulated in marine grade epoxy, guaranteed not to leak
