Sub180 Ultrasonic Flaw Detector Weld Detector 40dB Resolution
- Product Description
The portable ultrasonic flaw detector is specially designed to meet the requirements of non-destructive testing engineers. It is a portable industrial non-destructive testing instrument used for detecting, positioning, evaluating and diagnosing various damages. It can freely and accurately detect welding defects, cracks, and internal pores in the piecework. Perform non-destructive testing for defects. It is widely used in electric power engineering, boiler pressure vessel, steel structure, military industry, aviation, railway transportation, automatic mechanical equipment and other industries. It is an indispensable testing tool in the field of non-destructive testing.
| Item | Indicator |
| Testing scope | 0~9999mm |
| Working frequency | 0.2MHz~15MHz |
| Sound velocity | 1000m/s~9999 m/s |
| Gain Coverage | 0dB~110dB |
| Sampling rate | 100MHz |
| Display delay | -20μs~+3400μs |
| Probe zero -offset | 0μs~99.99μs |
| Level of electrical noise | ≤10% |
| Surplus sensitivity | >62dB |
| Resolution Ratio | >40dB(5P14) |
| Linear inhibition | 0~80%(digital suppression) |
| Vertical linear error | ≤3% |
| Horizontal linear error | ≤0.1% |
| Dynamic Scope | ≥32dB |
| Battery | 6*3.7V(lithium battery) |
| Electricity | 8.4V |
| Ambient Temperature | -20°C~50°C |
| ambient humidity | 20%~90%RH |
| Size | 23cm*17cm*5.5cm |
| Weight | 1.56KGS(including leather case) |
- Certificate

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Parameter table
Model SUB100 SUB110 SUB120 SUB130 SUB140 Testing range 0~6000mm 0~9999mm 0~25000mm Velocity 1000~9999m/s 400~20000m/s Gain 0dB~110dB Display delay -20µs~+3400µs Probe delay 0µs~99.99µs Frequency 0.2~10MHz 0.2~15MHz 0.2~20MHz Noise level ≤10% Probe damping 100Ω, 150Ω, 200Ω, 500Ω Probe repeating frequency 10~2000Hz Sensitivity >62dB Resolution >40dB(5P14) Linearity reject 0~80%(DIGITAL REJECT) Vertical linearity error ≤3% Horizontal linearity error ≤0.1% Dynamic range ≥32dB Pulse Square wave Pulse energy Fixed Adjustable, Eight Levels Pulse width 50~300ns Auto match/ 50~1000ns Environment temperature -10ºC~+50ºC Environment humidity 20%~95%RH
- Company information
Shanghai Liangui Technology Co., Ltd. is committed to promoting the prosperity and development of the world through technology, focusing on Intelligent Equipment & Automation Solutions to to help enterprises to improve production process and minimize the cost.
We are an intelligent equipment & automation solution integration service provider. Our company has a professional foreign trade sales team and an experienced technical support team, the principles of our team work is customer first and fast solution. Our business scope includes NDT Testing Equipment, Acoustic Emission Testing Instruments, Industrial Robot, Mechanical and Electrical Equipment etc.
Our NDT testing division is specialized in the R & D, production, sales and technical application services of Acoustic Emission Testing Instruments, Ultrasonic Flaw Detector, Ultrasonic Thickness Gauge and other Testing Instruments. Our R&D team has the ability to develop Sensors, Electronic Measurement Software and Hardware, we can also customize Non-standard Automated and Robotic Inspection Equipment for customers. Our products mainly used in Industrial Field (Aerospace, Railway, Automotive, Oil & Gas, Manufacturing, Process Industry ) and Power Generation (Renewable, Nuclear, New Reactors, Advanced Reactors, Research Reactors, Gas Combined, Coal, Cogeneration).
Our objective is to always help our clients meet their high safety standards, proposing efficient inspection solutions based on global services which reduce costs and increase process efficiency, make industrial facilities and power generation to operate safely, efficiently and excellently. Our major products AE system and instruments have been sold to China, USA, UK, Brazil, Indonesia and so on, which win the trust and support of customers from all over the world with an excellent reputation.
Technical Support Services:
We improve customer satisfaction for every customer at each stage of the project life cycle. Once installation is completed, our Technical Support Services will ensure that your system up-time is maximized and your costs are minimized, allowing for the quickest return on your investment. Liangui Support Services offers:
- Technical documentation & teaching videos
- Highly skilled technicians diagnose problems remotely
- Online assistance to optimize and upgrade your system program
- Maintain operational success with on-time parts supply
- Provide free training to empower your employees with related skill
- Provide on-site installation and commissioning services if you need
- FAQ
Q: How long will you give customer the reply?
A: We will contact you soon. The latest will not exceed 10 hours.
Q: How about the quality of the products?
A: We have the certificates of ISO and CE. We can send our certificates to you for your reference.
Q: What is the price of the product?
A: As we all believe the quality is the most important. We will provide the best quality machines with best price.
Q: How about delivery time?
A: Most of our products are in stock, after testing to your delivery, delivery time is about 5-7 days.
Q: Can we visit your factory?
A: Of course, please feel free to visit our factory.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




