WL16 Water Level Logger

Price$1,016.00 (US Only)

SKUARB025


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Submersible pressure transducer and USB datalogger combination

  • Overview

    The WL16, Water Level Logger, is a datalogger and submersible pressure transducer combination designed for remote monitoring and recording of water level or pressure data.  The water level logger can record over 81,000 readings and has four unique recording options, fast (10 samples per second), programmable interval (1 second to multiple years), logarithmic, and exception.  Multiple depth ranges are available from 3 to 500 feet of water level change.  A 25 ft vented cable is standard on all water level loggers, and optional cable lengths are available from the factory up to 2000 ft.

    FEATURES

    • Four sample modes: 10 times per second, timed, logarithmic, and exception
    • CE Certified
    • User friendly software included
    • PDA software simplifies field data collection
    • Highly accurate water level measurements
    • User programmable start and stop alarms, engineering units, and field calibration setup
    • Unique 0-3 ft range for shallow water
    • Wet-wet transducer eliminates vent tube concerns
    • Automatic barometric pressure and temperature compensation

    The WL16, Water Level Logger, is housed in a weather-resistant cylindrical enclosure, which slips inside a standard 2-inch PVC pipe.  The Water Level Recorders are easily adapted with standard hardware for wellhead mounting, stream, or other installations.  Two internal 9 VDC Alkaline batteries will typically power each of the Water Level Loggers for approximately one year even if one of the batteries fails.  A third onboard lithium battery ensures your data is safe in the event both 9V batteries fail.  All Water Level Loggers include Windows and PDA software, allowing easy upload of data a laptop, desktop or PDA for transfer to spreadsheet programs.

    The WL16, Water Level Logger's vented submersible pressure transducer is fully encapsulated with marinegrade epoxy.  The electronics are encapsulated so that moisture can never leak in through O-ring seals or work its way into the vent tube and cause drift or sensor failure, as is the case with many other vented sensors.  The vent tube is sealed directly to the wet-wet sensing element, and any moisture that may enter the vent tube from the housing will only contact the ceramic parts, not the electronics.  Most federal agencies, universities, and environmental consultants recommend vented water level sensors for the best monitoring results.

    The vented submersible pressure transducer uses a unique silicon diaphragm to interface between your water and the sensing element.  The diaphragm is highly flexible and touches the sensing element, producing a sensor with exceptional linearity and very low hysteresis.  A stainless steel micro-screen cap protects the pressure transducer diaphragm.  The micro-screen cap has hundreds of openings, making fouling the sensor with silt, mud or sludge virtually impossible.

    Software

    Compatiblity:  Microsoft's Windows 98, ME, 2000, NT, XP, Vista, and 7
    Features: 
         Tabular Display/Printout; data in standard spreadsheet format (CSV)
         Programmable alarm start and stop times
         Field calibration software and help files included
    PDA software:  CE and Mobile compatible.

    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:  Standard 25 ft (7.62 m) (up to 2000 ft (609.6 m) from factory) (for cable lengths over 500 ft (152.4 m) please call for availability)

    Submersible Pressure Transducer

    Sensor Element:  Silicone Diaphragm, Wet/Wet Transducer
    Water Level Measuring Range:  0-3, 15, 30, 60, 120, 250, 500 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.

    Bluetooth

    Format: Bluetooth 2.0 SPP (Serial Port Protocol)
    Baud Rate: Auto Detect up to 115K Baud
    Power: 9 V Alkaline, approx. 20 hours continuous use
    Current: 30mA Average
    Range: 20 Feet Maximum
    Operating Temp: -40° to +185°F (-40° to +85°C)
    Compatible Software: Global Logger II version 2.1.5 or higher
       Global Logger II PDA software version 2.0.1
       FL16 Flow Monitor version 2.3.2

  • Specifications
    Certifications CE
    Connectivity / Communications USB Type B
    Data Management

    Storage Capacity:  81,759 time and date stamped data points (including battery voltage) Data Overwrite:  Select memory wrap or unwrap (unwrap will stop logging data once memory is full)

    Memory Non-volatile flash memory
    Operating Temperature -40° to +185°F (-40° to +85°C)
    Power Two 9VDC Alkaline Batteries
    Resolution

    12 bit

    Sampling High Speed (10 samples per second), Fixed Interval (Programmable from 1 sec to >1 year), Logarithmic, Exception
    Size

    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)

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