Performance characteristics
After more than ten years of market testing, it has rich functions, stable performance, high cost performance, high power transmission, and low receiving noise.
Application Areas
Ultrasonic transmission method to detect the integrity of foundation piles and continuous walls.
Detection of compressive strength, crack depth and defects of structural concrete.
Geological survey, rock integrity and weathering evaluation test.
Mechanical properties testing of non-metallic materials such as rock mass and concrete.
Standards
"Ultrasonic method for testing concrete defects" - CECS 21∶2000 "Technical specification for testing concrete compressive strength by ultrasonic-rebound comprehensive method" - T/CECS 02-2020 "Technical specification for testing concrete strength of railway engineering structures" - TB 10426-2004 "Technical specification for testing concrete structures of water transport engineering" - JTS 239-2015 "Technical specification for testing strength of high-strength concrete" - G/T294-2013 "Technical specification for testing strength of pumped concrete by rebound method and ultrasonic-rebound comprehensive method" - DB]/T01-78-2003
"Technical specification for testing compressive strength of structural concrete" - DG/TI08-2020-2007 "Technical specification for testing concrete strength by ultrasonic-rebound comprehensive method" - DB37/T 2361-2013
Technical Specifications for Testing Concrete Strength by Ultrasonic Rebound Comprehensive Method
DB53/T-53-2013
Technical Specifications for Testing Concrete Strength by Ultrasonic Rebound Comprehensive Method for Highway Engineering-DB51/T1996-2015
"Technical Specifications for Building Pile Testing" - JG]106-2014
"Technical Specifications for Highway Engineering Pile Testing" - JTG/T 3512-2020 "Technical Specifications for Railway Engineering Pile Testing" - TB 10218-2019 "Building Foundation Testing Specifications" - DBJ15-60-2008 "Shenzhen Building Pile Testing Specifications" - SJG09-2015 "Building Foundation Pile Testing Technical Specifications" - DGI08-218-2003 "Water Transport Engineering Foundation Testing Technical Specifications" - TS237-2017 "Building Foundation Testing Specifications" - DB32/T 3916-2020
Technical indicators
| instrument model |
ZBL - U520A Automatic test and assembly system |
| Main control unit |
industrial-grade dedicated system |
| Display |
6.4 Inch high brightness TFT true color LCD |
| Automatic pile-testing record system |
Dual-channel automatic pile-testing record system |
| Channel number |
1 emitter + 2receivers+External trigger |
| Trigger |
Signal trigger |
| Sampling interval (period) |
0.05μs~400μs ,14 adjustable settings |
| Resolution |
0.05μs |
| Measuring range |
0~629000μs |
| Amplifier gain |
82dB |
| Amplifier bandwidth |
10 ~250 kHz |
| Receiver sensitivity |
≤30 μV |
| Range resolution |
0.39% |
| Emission voltage (V) |
65, 125, 250, 1000 v adjustable |
| Emission pulse-width |
20 μs ~ 20 ms adjustable |
| Storage capacity |
256 M ( CF card ) + 1 G ( memory card ) |
| Port |
USB |
| Operation mode |
Shortcuts keys + photoelectric-knob |
| power |
Internal |
Built-in lithium battery≥6hrs |
| |
External |
Extenal port:9V DC |
| |
Alternating Current Power |
220V,50Hz |
| Size (mm) |
250×185×58 |
| Weight |
1.8 kg (including internal battery) |
| Cloud upload |
support |
| Aviation Battery Certification |
yes |
Audited Supplier 
Audited Supplier 
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