WL16 Water Level Logger | Streamline Measurement

Features

Easy to operate and install
Four sample modes: 10 times per second, interval, logarithmic, and exception
PDA software simplifies field data collection
USB and Serial communication options available
Serial version is telemetry compatible
No need to remove sensor for data collection or battery change
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

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 1m to 150m of water level change. A 7.5m vented cable is standard with optional cable lengths available up to 600m.

The WL16, Water Level Logger, is housed in a weather-resistant cylindrical enclosure, which slips inside a standard 2-inch (5cm) PVC pipe. The WL16 is easily adapted with standard hardware for wellhead mounting, stream, or other installations. Two internal 9 VDC alkaline batteries will typically power the WL16 for approximately one year even if one

of the batteries fails. A third onboard battery ensures your data in the event both 9V batteries fail. The WL16 includes software for Windows computers and CE/Mobile based PDAs, allowing easy data transfer to a laptop, desktop or PDA.

Technical

Datalogger
Memory	Non-volatile flash memory
Power	Two 9 VDC alkaline batteries (inc.)
Battery Life	Up to 1 year
Moisture Protection	Protective coating (helps prevent damage to electronics from condensation)
Temperature	-40° +85°C
Humidity	0-95% non-condensing
Storage Capacity	81,759 time/date stamped datapoints (including battery voltage)
Recording Rate	High Speed (10 samples per second), Fixed Interval (programmable from 1 second to >1 year), Logarithmic, Exception
Data Overwrite	Select memory wrap or unwrap (unwrap will stop logging once memory is full)
Clock	0.0025% or 1 minute in 1 month
Enclosure	Vented 4.8 cm dia. x 29.2 cm Stainless steel, UV protected PVC
Weight	0.7Kg with battery and cable
Communication	WL16S: RS-232 4-pin circular conn. WL16U: USB Type B Selectable Baud Rates: 9600, 19200, 28800, 38400, 57600, 115200
Certificates	CE Compliance
Software	Global Logger II Software (inc)
Features	Tabular Display/Printout; data in standard spreadsheet format (CSV); programmable alarm start and stop times; field calibration and help files included
Cable
Conductors	4 each 22 AWG
Material	Marine grade polyether jacket, polyethylene vent tube, full foil shield
Shield	Aluminum Mylar
Outside Diameter	0.78 cm
Length	Standard 7.62m upto 610m
Sensor
Sensor Element	Silicone Diaphragm, Wet/Wet Transducer
Ranges (ft)	0.9m, 2.7m, 9m, 18m, 36m, 76m, 152m
Linearity and Hyteresis	±0.1% full scale
Accuracy	±0.1% full scale at constant temperature
Overpressure	Not to exceed 2x full scale range
Warm-Up Time	3 seconds recommended

Compensation	dynamic temperature compensation -1.1 to 21.1°C, automatic barometric pressure compensation
Housing Material	304L stainless steel
Housing Size	2cm dia. X 14 cm L, small enough for a 1 inch well. Titanium option has 1 inch diameter.
Bluetooth Adapter
Format	Bluetooth 2.0 SPP (Serial Port Protocol)
Baud Rate	Auto Detect up to 115K Baud
Power	9V Alkaline. 20 hrs continuous use
Current	30mA Average
Range	6.1 m maximum
Operating Temp	-40° +85°C

Documents

Brochures
WL16 Water Level Logger

Manual
WL16 manual
WL16-Quick-Start-Guide
GW PDA Software Manual