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The PDA model PAX collects and processesdata acquired by strain
transducers andaccelerometers manufactured by PileDynamics.
When used in Remote Modethe PAX offers a fieldcrew a simple
software interface andstraightforward mode of operation. An
officecomputer running PDA-W and receiving data givesthe engineer
the ability to perform comprehensivemonitoring and analysis in real
time. For those thatopt to be present during the execution of the
loadtest, the PAX Local Mode performs as a fullcapability Pile
Driving Analyzer coupled with a fullcapabilities personal computer.
The PAX gives thefield engineer access to all variables of interest
inreal time. It links directly to the latest version of the
dynamic test data interpretation softwareCAPWAP.
Pile Driving Analyzermodel PAX
4535 Renaissance Parkway Cleveland Ohio 44128 USATel: +1 216
831-6131 Fax: +1 216 831-0916 [email protected]
www.pile.com
Engineers around the world have been using the PDA to verify
thebearing capacity of all t ypes of deep foundations for more than
30 years.High strain dynamic tests, as tests performed with PDAs
are commonlyknown, are carried out quickly and are non-destruct
ive. Properlyinterpreted dynamic test results (after PDA data are
analyzed withCAPWAP software) correlate very well with foundation
capacitiesobtained from conventional static load tests. The test
also confirms theintegrity of the foundation element. When dynamic
testing is performed
during initial driving of piles, it also provides information on
drivinghammer performance and driving stresses.
High Strain Dynamic Tests are standardized by ASTM D4945. All
modelsof PDA, as well as Pile Dynamics st rain transducers and
accelerometers,
conform to those standards.
Pile Dynamics conceived the idea of collectingdynamic testing
data on site and transmitting it toan office computer back in the
1990s, andpatented the first remote data transmitting PDA
(the PAL-R) in 2001. PDA users in Australia,England, Sweden,
Malaysia and other countriesimmediately embraced remote dynamic
testing.These early adopters realized that sending onlythe
instrument to the job site, and using the PDAsoftware (PDA-W) to
monitor the load test in anoffice computer would give them a
competitiveadvantage. They could now offer their clientstremendous
scheduling flexibility and enjoy nodown time due to travel or
weather delays.
The Pile Driving Analyzer (PDA) model PAXcrowns the succession
of improvements thatPDAs have experienced during their lifetime.
Itis sufficiently small to be portable, is battery
operated, and weighs only 5 kg (10 lbs). Itsdisplay doubles up
as its control panel andkeyboard, and has extremely high visibility
inall lighting conditions. The PAX features broadband internet
remote data transmissioncapability.
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PDA Model PAX Specifications
Physical:Size: 150 X 220 X 290 mmWeight: 5 KgTemperature range:
0 to 40C operating; -20 to 65C storageHigh visibility color VGA
backlit LCD display optically enhanced for outdoor viewing
High contrast touch screen doubles as keyboardBuilt in VGA
external monitor portPower: built-in 6 hour duration battery, 12
VDC car battery, or 100-240 VAC w/12 VDC converterFast charger
recharges built-in battery in 4 hours
Electronic:PC compatible processor with Microsoft Windows
interface40 GB hard disk minimum512 KB DRAM minimumEthernet port2
USB ports24-bit A/D converter with 8 channels at up to 40 KHZ per
channel
Analog signal frequency response 5 KHZ (-3 dB)Digitizing
frequency of 40 KHZ (2500 40000 HZ selectable)Resolution: 24 bit
A/DTransducer signals digitally recorded1K, 2K, or 4K data record
sizes availableBuilt in calibration test functionBasic unit
accuracy 2%
Functional:Two or four channels of strain data acquisitionTwo or
four channels of acceleration data acquisitionAutomatic balancing
of signals and signal conditioning
Signal conditioning for force and acceleration have similar
frequency responseInternal calibration check of strain and
accelerationSignal amplification capabilityAutomatically triggers
on any attached straintransducersHigh speed internet data
transmission throughbroadband phone or other network deviceDial up
data transmission through data capable mobilephone connected via
USB
Other:Optional external USB keyboard, mouse, memory
stick, and WiFi (802.11x) available
Operates in English, SI, or Metric unitsIncludes both soft side
carry-on luggage case and hard transit caseFurnished with licenses
for PDA-W, PDIPLOT, GRLWEAP and CAPWAP softwareFull one year
warranty
4535 Renaissance Parkway Cleveland Ohio 44128 USATel: +1 216
831-6131 Fax: +1 216 831-0916 [email protected]
www.pile.com
The PAX features standard personal computer ports
