Pile Dynamics Analyzer- Dynamic Load Tester (PDA-DLT)

The Pile Dynamics Analyzer – Dynamic Load Tester (PDA-DLT) monitors  high strain dynamic load tests on drilled shafts and bored piles using a drop weight system.

  • Dynamic load testing and monitoring of drilled concrete shafts
  • Up to 16 channels of data acquisition available with eight WIFI boxes and any combination of strains and accelerometers
  • Complete with CAPWAP®, GRLWEAP, and iCAP® software
  • Field-to-office data transmission with SiteLink®
Have a technical question?
Ask our team of engineers.

The Pile Dynamics Analyzer – Dynamic Load Tester (PDA-DLT) was designed specifically for quality assurance testing of drilled shafts and bored piles. The PDA-DLT allows for multiple configurations of force measurement. The system acquires data from accelerometers and strain transducers attached to a pile or shaft so that High Strain Dynamic Tests (ASTM D4945) may be performed. The tests require the impact of a suitable drop weight.

The PDA-DLT evaluates:

  • Bearing Capacity
  • Structural Integrity
  • Foundation Stresses


The PDA-DLT conforms to ASTM D4945.

PDA-DLT Specifications

May 2021
PDF Format


Size: 320 X 250 X 68 mm (12.6 x 9.8 x 2.7 inches)
Weight: 5 Kg (11 lbs)
Temperature Range: 0 to 40°C (32 to 104° F) operating; -20 to 65°C (-4 to 149° F) storage
Display: 26.4cm (10.4”), sunlight readable, resolution 1024 X 768
Built in capacitive touch screen
Video Outputs: HDMI
Power: 4-hour continuous data collection battery pack, 12 VDC car battery, or 100-240 VAC. Extra battery pack supplied.
Charging Time: 6-hour maximum



Microsoft Windows® 10 Operating System
Minimum of 128 GB SSD internal drive
Ethernet port
4 USB ports
Analog signal conditioning filtering (frequency response) 2.5 KHZ (-3 dB)
16-bit A/D converter with sampling frequency of 10.24 MHz
8 channels with effective digitizing frequency of 10 KHz to 40 KHz selectable
1K, 2K, or 4K data record sizes available
Basic unit accuracy 2%



Built-in calibration test function
Compatible with Smart Sensors
Wireless range up to 100 m (328 ft)
Up to 16 universal (strain or acceleration, piezoelectric or piezoresistive) channels of wireless data acquisition1
Up to 8 universal (strain or acceleration, piezoelectric or piezoresistive) channels of traditional data acquisition
Automatic balancing of signals and signal conditioning
Digital (software) integration of acceleration
Signal conditioning for force and acceleration have similar frequency response
Internal calibration check of strain and acceleration
Signal amplification capability
Triggers on any attached strain transducer
User adjustable pre-trigger buffer size
High speed internet data transmission using SiteLink® through broadband phone or other network device (additional desktop sharing software needed)
Dial up data transmission through data capable mobile phone connected via USB

1 limited to one piezoelectric accelerometer per box



Operates in English, SI, or Metric units
Optional external USB keyboard, mouse, and WIFI (802.11b,g,n) available
Includes both soft side carry-on luggage case and hard transit case
Equipped for remote technical support using SiteLink®
Optional TeamViewer desktop sharing software license for use with SiteLink®
Furnished with licenses for PDA Software Suite (PDA-S, iCAP®, PDIPLOT2 and PDI Curves), GRLWEAP and CAPWAP®
Full one-year warranty
Technical manual provided in PDF format on a USB drive

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