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Datalogger Product Description
The
GL500-2-1 Datalogger is the latest addition to Global
Water’s line of rugged remote dataloggers. The
dataloggers feature two analog channels and one digital
channel for recording data, as well as monitoring
battery voltage. The datalogger records 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. Start and
stop alarm times can be programmed to synchronize
multiple dataloggers, delay sampling until a preset
time, or limit the number of recordings during a day.
The dataloggers are available for computers with either
a RS-232 serial communications port (GL500S-2-1 version)
or a USB port (GL500U-2-1 version).
Remote Monitoring
The GL500-2-1 dataloggers can monitor two 4-20mA sensors
(0-5 volt inputs are available as a factory option) and
features a scalable digital input that accepts switch
closure signals from rain gauges or relays, as well as
pulses from various external monitoring and control
devices. The datalogger provides switched power to the
sensors based on the programmable sample interval and
sensor warm up time settings. 2-wire and 3-wire sensors
can be quickly connected to the datalogger’s internal
terminal strip and calibrated via the Global Logger
software. The GL500S-2-1 Datalogger Serial
Communications version can be accessed through dial-out
to a remote modem attached to the serial communication
port.
Software
The GL500-2-1 dataloggers include Global Logger II
Windows software and PDA software, which allow for easy
setup, calibration, upload, and transfer to a
spreadsheet program using a laptop, desktop, or PDA.
The Global Logger II Windows software has online help
files that are easily accessed using drop down menus and
links to quickly find the answers to your questions.
Please note: The Global Logger PDA software,
included with the datalogger, does not support the Palm
operating system.
Dataloggers Specifications
Global Dataloggers
Memory: Non-volatile flash memory
Power: Voltage: Two 9VDC alkaline batteries
standard. 8 VDC Min. to 24.0 VDC Absolute Maximum.
Standby Current: 65uA Typical
Logging Current: 5mA Typical + sensor current
Analog Sensor Inputs: 4-20mA (0-5VDC as factory
option)
Resolution: 12-Bit, 4096 Steps
Channels: 2 Input channels + battery voltage
monitor
Sensor Warm-up Time: Programmable, 0-15 Sec
Digital Inputs: Switch closure or pulse input
Maximum Input Voltage: 24VDC
Maximum Frequency: 100Hz
Minimum Pulse Width: 2mS
Maximum Count: 65,535 (16-Bit)
Sample Modes: Fixed Interval Programmable from 1
Sec. to >1 Year
High Speed 10 Samples per second
Logarithmic Sample Rate (Approximation)
Exception (Log only on deviation from previous
reading)
Storage Capacity: 81,759 Recordings for all
inputs plus time stamp
Data Overwrite: Select memory wrap or unwrap
(unwrap will stop logging data once memory is full)
Communication Ports:
GL500S-2-1: RS-232 4-pin circular connector
GL500U-2-1: USB Type B
Selectable Baud Rates: 9600, 19200, 28800, 38400,
57600, 115200
Clock: Synchronizes to the time and date of
user's computer
Clock Accuracy: 1 minute per month
Operating Temperature: Industrial, -40ºC to +85ºC
(Battery may not apply)
Enclosure: PVC (3" x 3" x 3")
Weight: 0.5 lbs
Datalogger Software
Compatible with Microsoft's Windows 98, ME, 2000, NT,
and XP
Windows and Excel are trademarks of the Microsoft
Corporation
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.
Datalogger Software Information
The Datalogger 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 recorded data and setting options easy. Data
downloaded from the datalogger 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 98 or later. To communicate with the Datalogger,
a standard RS232 serial cable for the GL500S-2-1or a USB
Type B cable for the GL500U-2-1 is required. Purchase
of the datalogger includes the appropriate communication
cable (for communication between the datalogger and your
computer).
Datalogger Options
GL500U-2-1 Datalogger
USB version for collecting data with most
laptop/desktop computers. Features 2 analog
channels and 1 pulse channel. Includes two internal
9V batteries, Windows-based Global Water Datalogger
Software, and PDA software for the CE and Mobile
operating systems. |
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GL500S-2-1 Datalogger
SERIAL version for collecting data with most PDAs
that use the CE and Mobile operating systems.
Features 2 analog channels and 1 pulse channel.
Includes two internal 9V batteries, Windows-based
Global Water Datalogger Software, and PDA software
for the CE and Mobile operating systems. |
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GL450-2-1 Optional Datalogger Enclosure Upgrade
Rugged weather-resistant enclosure for the
Datalogger for addtional protection. NOTE: No
additional batteries included. |
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Deluxe PDA Package
Handheld PDA download package for GL500 Dataloggers.
Standard PDA can read data from 23 full dataloggers
before running out of memory. NOTE: PDAs WILL NOT
INTERFACE WITH GLOBAL WATER DATALOGGERS WITHOUT A
CUSTOM SERIAL CABLE (Serial cable is included with
this package.) |
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