Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
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: 125 ft
Submersible Pressure Transducer
Sensor Element: Silicone Diaphragm, Wet/Wet Transducer
Water Level Measuring Range: 0-60 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
