Pile Foundation Testing Equipment

High-Low Strain Pile Dynamic Tester

Model: BP-HL

Integrated high and low strain pile dynamic tester with 8.4-inch sunlight-readable capacitive touchscreen. Supports both PDA (high strain) and PIT (low strain) testing with 24-bit high-precision ADC and real-time Bluetooth data upload.

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Key Features

Integrated sunlight-readable 8.4-inch display with optical bonding

Full overlay display function for visualized observation of signal consistency and stability

Low-strain RS mode and PIT mode operable on the same machine

Split-screen display of velocity, displacement, strain, and Case curve

Single blow, consecutive blow, and monitoring modes with real-time strain transducer monitoring

Pile driving velocity up to 100 blows per minute

On-site Case analysis with F-Z V curve and traveling wave curve display

24-bit high-precision low-noise ADC with built-in digital filter

Capacitive touch screen for convenient operation

Data stored in memory and backed up on SD card

Aluminum-magnesium alloy enclosure with imported connectors

Built-in lithium batteries providing >8 hours DC power

Real-time field data upload via Bluetooth

Technical Specifications

System	WINCE operating system, Industrial A8 processor, 1GHz, 512M memory
Number of Channels	6 channels (2 high-strain acceleration, 2 strain, 1 low-strain acceleration, 1 velocity)
A/D Resolution	24 bits
Sampling Interval	1.6 μs ~ 52428 μs, continuously adjustable at 0.8 μs spacing
Sampling Length	1K, 2K
Amplification Factor	X1, X2, X4, X8, automatic
Trigger Mode	Channel trigger, steady state trigger
Bandwidth (High-strain)	1Hz ~ 10kHz (<5%)
Bandwidth (Low-strain)	1Hz ~ 10kHz (<2%)
Sampling Precision	±2%
System Noise	<0.2 mV (rms)
Display	8.4 inch capacitive touch screen, 800×600 resolution
Storage	Memory + SD card backup
Output Interface	2× USB, Bluetooth, USB flash drive
Battery	11.1V/7Ah rechargeable lithium, >8 hours
Dimensions	255 × 190 × 50 mm
Weight	1.9 kg
Operating Temperature	-10°C to 50°C
Operating Humidity	<90%