RSM-PRT(N) Low Strain Pile Integrity Tester

Item No.: 02
The RSM-PRT (N) performs Low Strain Integrity Testing, which is a widely used measurement method to check the integrity of concrete foundation piles.
Product parameters
Model: R
port: W
Trademark: R
Origin: W
Production Capacity: 2
Payment Terms: L

Low Strain Pile Integrity Tester

Model: RSM-PRT(N)



Ø  Low strain pile integrity testing by reflected wave method


Applicable standards

Ø  Standard Test Method for Low Strain Impact Integrity Testing of Deep Foundations ASTM D5882-07

Ø  Technical Code for Detection of Building Foundation Pile JGJ 106-2014

Ø  Dynamic Testing Technology Regulations on Highway Engineering Foundation Pile JTG/T F81-01-2004

Ø  Nondestructive Detection Code for Railway Engineering Foundation Pile TB 10218-2008

Ø  Technical Code for Detection of Building Foundation JGJ 340-2015



The test is based on wave propagation theory. The name "low strain pile integrity test" stems from the fact that when a light impact is applied to a pile it produces a low strain.

The impact generates a stress wave that travels down the pile. When the downward stress wave encounters a change in cross section or in concrete quality, it generates reflected wave that is later observed at the pile top. By analyzing the propagation time, amplitude and phase of that reflected wave, it has evaluation of pile integrity ultimately.


Technical Features

1. Removable lithium battery

Service life is 10h, desktop charger is supported and spare battery can be provided to ensure that the field work will not be interrupted.


2. Instantaneous floating point amplification technology

Compatible with the distortionless acquisition of strong and weak signals.


3. Shallow defect location correction

The three-dimensional correction function for shallow defect is owned and the defect can be located accurately.


4. Field analysis

Filtering, index amplification, defect locating and other analysis functions can be conducted in the field.


5. Sensor compatibility

Piezoelectric sensor and speed sensor are compatible.                         


Field testing



Software Feature

1. Average superposition analysis of multi-channel collected signal is supported;

2. Amplification, translation, rotation, filtering, index amplification and other processing can be carried out for wave signals;

3. Multiple report output styles can be selected and the report output style can also be customized;

4. Automatic generation function of engineering detection information is owned;

5. Analysis operation can be processed in batch to save the analysis operation workload of the same type of pile;

6. Bilingual operation both in Chinese and English is supported and the output format meets a variety of international codes;

7. Vector diagram output, print output, Word file output and other output modes are supported;

8. The frequency domain analysis function is owned to calculate the whole pile frequency and defect frequency conveniently and quickly.


                                                    Sampling interface

                                                              Analysis interface






Display method:6.4-inch true-color LCD screen

Resolution: 640×480 (adjustable backlight)

Storage capacity"16G electronic hard disk

Signal acquisition method:Wired

Master control system:Low power embedded system   Basic frequency≥1GHz Memory:   512M

Sampling interval:5~1000μs

Floating point magnification:1~256

Recording length:1k

A/D conversion accuracy:24-bit instantaneous floating point

System noise voltage:<20μV

Dynamic range:≥100dB

Data export method:USB

Frequency bandwidth:2~12000Hz

Sensor bandwidth:0.5~9000Hz

Power supply mode:Removable lithium battery; desktop charger is   supported

Service life≥10h

Operation mode:Touch screen

Number of channels:1

Sensor:Piezoelectric accelerometer and speedometer

Trigger level:Seven-level selectable

Operating temperature:-20~+55℃

Shell:High-strength engineering plastics


Weight:1.3kg (including lithium battery)

Standard Configuration


1 Host 1pc

2 Acceleration sensor 1pc (Including 5m cable)

3 Velocity sensor 1pc (Including 5m cable)

4 Combined hammer 1pc (1.5kg )

(Including one copper head and two rubber head)

5 Power adapter 1pc 

6 U disk 1pc

7 Stylus pen 1pc 

8 Instrument container 1pc 

9 Carry case 1pc