●
2010 Rev. 1
Section
1
46
D
URHAM
G
EO
S
LOPE
I
NDICATOR
SOILS
Laboratory Data Acquisition
Basic 8-Channel Data Acquisition for the Laboratory
Benefi ts:
❖ Eight 16-bit analog inputs for eight channels of
real-time data acquisition
❖ 10 V dc instrumentation excitation supply
❖ mV, V, mA instrumentation output types
❖ Multiple instrumentation output ranges
❖ Instrument calibration in English or SI units
❖ Sample rate of 10 per second
❖ Simple USB connection to the computer.
❖ Program storage and instrument calibrations
stored in nonvolatile memory
❖ Bright touch screen for improved visibility and
easy data entry. 3.8-inch, 256 color TFT display.
❖ View live test data on color screen
❖ Windows-based software available for data viewing
and exporting
❖ Easy data “dump” to Excel for performing custom
data reduction/manipulation
❖ Real-time graphing capabilities for each test
❖ Quick sample interval changing
Description:
Now you can collect data easily from your current labora-
tory equipment with the EZ-DAQ System. EZ-DAQ is an
8-channel, 16-bit data acquisition unit* that is easy to use
and confi gure. The EZ-DAQ can perform locally all data
acquisition functions (sampling, signal conditioning, A/D
conversions), and when connected to a PC, can capture
data and display real-time graphs. Designed specifi cally for
the needs of today’s soils labs, the unit is fl exible, reli-
able, and robust.
The bright, color screen is easy to read and has a high
performance CPU for ultra-fast screen refresh. The screen
is rugged for use in dirty, dusty conditions and incorpo-
rates a touch-panel for easy data entry. No openings to get
clogged or jammed.
In addition, connections for up to eight industry-standard
sensors are conveniently located on the rear of the unit.
These connections supply the common 10 V dc excitation
required by most of today’s sensors. Along with the excita-
tion, the connections also handle the sensor return signals.
The fl exibility designed into the EZ-DAQ System allows for
the return signals to be confi gured in mV, V, or mA, and a
multitude of ranges.
The EZ-DAQ-Soft software, which is included with the unit,
is highly confi gurable and simple to use. It gives the ability
to display up to eight active channels of data simultane-
ously on a PC. The system can support as many as six
individual tests with each test capable of having its own
sampling rate. The test fi les are saved as delimited text
which may be imported easily in a spreadsheet program or
simply opened as an ASCII text fi le.
Communication from the EZ-DAQ to the user's PC is done
with standard Ethernet protocol. Set up is uncomplicated
because it uses a static IP address.
EZ-DAQ device showing, in this photograph, live data for three tests and
six sensors. Data from up to eight sensors may be acquired and displayed
simultaneously using the EZ-DAQ.
EZ-DAQ™
* EZ-DAQ is not a data logger because it does not store data.
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