WL15X WATER LEVEL LOGGER
Submersible
Pressure Transducer and Datalogger Combination
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Warning:
Non-vented water level loggers may
cause errors of 10” due to barometric
pressure changes
more information.
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FEATURES:
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Easy to operate and install
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Palm Pilot software simplifies data collection
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Exports data directly to spreadsheets for analysis
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No
need to remove sensor for data collection or battery
change
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Highly accurate water level measurements
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Multiple level ranges available from 3' to 250'
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User programmable date, recording interval, and site
name
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Real-time data readout
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Unique 0-3' range for shallow water
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Wet-wet transducer eliminates vent tube concerns
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Automatic barometric pressure and temperature
compensation
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On this page:
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Downloads (PDF):
*May take several minutes to
download, depending on your internet connection
speed.
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Additional Information:
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Global Water's WL15X now includes Palm Pilot
software to simplify field data collection
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Global Water's WL15X Water Level Logger provides a
datalogger with a submersible pressure transducer for
remote monitoring and recording of well depth
measurements and water pressure data. This highly
reliable and accurate water level recorder records
24,400 readings and is programmable from one reading
per second to one reading per day. Ranges of 0-3',
0-15', 0-30', 0-60', 0-120' and 0-250' are available.
A 25' cable is standard, and optional cable lengths
are available up to 500'.
The Water Level Recorder's datalogger is housed in a
weather-resistant cylindrical enclosure that can slip
inside a 2-inch pipe. The data recorder is easily
adapted with standard hardware for well head mounting
or other installations. The datalogger enclosure also
houses an easily replaceable 9 VDC battery, which
powers the Water Level Logger and level sensor for one
year. Purchase of the WL15X includes Windows-based
datalogging software, which allows easy upload of
recorded data to standard spreadsheet programs on a PC
computer.
The Water Level Logger's level sensor is fully
encapsulated with marine-grade epoxy so that moisture
can never leak in or work its way down the vent tube
to cause drift or level sensor failure (as is the case
with other pressure sensors). The submersible
pressure transducer uses a unique, highly flexible
silicon diaphragm to interface between water and the
sensing element. This silicon diaphragm protects the
level sensor's electronics from moisture and provides
the submersible pressure transducer with exceptional
linearity and very low hysteresis. The design of
Global Water's water level sensor eliminates the
issues associated with metal foil diaphragms, which
tend to crinkle and stretch out over time causing
drift, linearity, and hysteresis problems. The water
level sensor is also has automatically barometric
compensation due to the attached vent cable and
protected by a stainless steel micro-screen cap, which
makes fouling with silt, mud, or sludge virtually
impossible.
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Submersible Pressure Transducer
Sensor
Element: Silicone
Diaphragm, Wet/Wet Transducer
Pressure Range:
0-3', 0-15', 0-30', 0-60', 0-120', 0-250'
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
Material: 304L
Stainless Steel, SS microscreen (hundreds of holes to
prevent fouling), electronics are fully encapsulated
in marine grade epoxy, guaranteed not to leak
Size: Up to 7"
long x 13/16" diameter (small enough for a 1" well)
WL15X Cable
Conductors: 4 each 22
AWG
Jacket Material: Marine
Grade Polyurethane
Vent Tube Material: HD
Polyethylene
Shield: Aluminum
Mylar
Outer Diameter:
3/16"
Temperature Range:
-22° to +185°F
Weight: 0.7
oz/ft Length:
Standard 25' (up to 500')
WL15X Water Level Data Logger
Memory:
Non-volatile flash memory
Battery: 9V
Lithium
Battery Life:
Up to 3 years (depending on recording intervals)
Backup Battery:
3V Lithium
Resolution:
12 bit
Moisture Protection:
Acrylic coat (prevents damage to electronics from
condensation)
Storage Capacity:
24,400 time and date stamped data points, 270,000
bytes
Recording Rate:
Linear fixed intervals from 1-256 seconds, 1-256
minutes, 1-256 hours, or 1-256 days; Logarithmic test
(for pump and slug tests)
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:
0.0015%
Clock Format:
Month/Day/Year Hour/Minute/Second
Enclosure:
1 7/8" diameter x 12" length (fits inside a 2"
well), stainless steel UV protected PVC vented for
barometric pressure compensation
Temperature:
-40° to +170°F
Humidity:
0-95% non-condensing
Weight:
1.6 lbs (with battery and 25' cable)
Communication:
RS232 (cable provided)
Communication:
38,400 kbs
Data Transfer Rate:
2MB/4 minutes
File Type:
Comma Separated Value (CSV)
Global Water Software
Compatible with Microsoft's Windows 95, 98, ME, 2000,
NT, and XP
Windows and Excel are trademarks of the Microsoft
Corporation
Tabular Display/Printout
Data in standard spreadsheet format
RS232 cable included (connects logger's data port to
PC)
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The Water Level Logger includes Global Water
Datalogger Software, Windows-based software that
provides many useful features, such as real-time
readout, measurement interval and engineering unit
selection, station ID setting, and sensor
calibration. The software makes accessing stored data
and setting options easy. Data downloaded from the
Water Level Logger can easily be opened in any PC
spreadsheet program for analysis and graphic
presentation. Globlal Water's Datalogger Software
will run on a PC-type laptop or desktop computer
running Windows 95 or later. To communicate with the
Water Level Logger, a computer must be equipped with a
standard RS232 serial communication port. Purchase of
the Water Level Logger includes a RS232 cable (for
communication between the logger and your computer).
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The Water Level Logger's pressure sensor may be placed
slightly below the lowest expected water level. Level
ranges of 0-3', 0-15', 0-30', 0-60', 0-120' and 0-250'
are available. When ordering, select the level sensor
range that will cover the maximum water level change
(this is not necessarily the total depth of water).
Selecting the smallest water level range possible will
ensure the greatest accuracy.
The Water Level Logger's data logger is housed in an
enclosure that is designed to slip inside a 2-inch
pipe and be completely hidden with a standard or
locking well cap. For monitoring groundwater, the
water level recorder can be installed in a PVC pipe
with the datalogger enclosure's rim resting on the
pipe's edge. For monitoring surface water, the water
level logger can be installed in a a protective
stilling constructed of PVC pipe. For detailed Water
Level Logger installation tips, click
HERE.
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The Global Water Level Logger can be used for
stream and river gauging, flood analyses,
monitoring hydrant pressure, monitoring irrigation
canals, groundwater monitoring, infiltration/inflow
studies, lake and wetland analyses, landfill/hazardous
site analyses, pump tests, surface water monitoring,
sewer flow monitoring, stormwater studies, weirs and
flumes, tide gauge measurements, and much more
. . .
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Options
& Prices
WL15X Water Level
Logger
Allows logger to sit inside 2-inch well with
datalogger enclosure's rim resting on well casing
top. Standard or locking well cap will
completely hide the water level logger. Includes
Windows-based Global Water Data logger Software.
When ordering, specify water level range that will
cover the maximum water level change for your
application (this is not necessarily the total
depth of water): 0-3', 0-15', 0-30', 0-60',
0-120', 0-250'. Selecting the smallest water
level range possible will ensure the greatest
accuracy. Includes 25 feet of cable.
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$795
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WLEXC Extra Cable
Cable length is measured from top of water level
recorder to bottom of sensor. WL15X includes 25
feet of cable, and extra cable can be added up to
500 feet.
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$1.30/ft
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Titanium Option
Replace the standard stainless steel water level
sensor housing with titanium. |
additional
$100 |
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Locking Well Cap
Fits over a 2-inch pipe.
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$15
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Deluxe Palm
Package
Handheld Palm Pilot download package for WL15X.
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$200
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WL15-INO Inside
Well Option
Entire logger goes down inside the 2" well.
Provided with chain and hook to secure the well
top.
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$40
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WL15-PRP Pressure
Pipe Option
Sensor is housed in a 6" PVC or stainless steel
pipe with 3/4" NPT male thread for logging
pressure in municipal water systems. 10' cable
standard. Calibrated in psi with ranges of 30
psi, 60 psi, 100 psi available.
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$35 PVC, $65
Stainless Steel
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WL15-SWO Sewer Flow Option
Mouse-shaped cover protects sensor from fouling
and velocity effects in sewer, stormwater and
irrigation pipe flows. The cover is attached to
4" X 24" stainless steel strap for mounting the
level sensor on pipe bottom. |
$60 |
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WL15-T Temperature Output
Option
0-50° C, Accuracy: 1% of reading, over 19,000 time
and date stamped readings with this option. |
$60 |
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WL15X Rentals
Call Global Water at 800-876-1172 for available
ranges and cable lengths. |
$50/day
$220/week
$700/month |
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