YUSHI Advanced Ultrasonic Pulse Generator/Receiver: The Ideal Choice for High-Performance NDT and Material Analysis
In professional fields such as non-destructive testing, material analysis, and scientific research experiments, a reliable, easy-to-operate ultrasonic pulse generator/receiver with flexible expandability is the core equipment to ensure testing accuracy and experimental efficiency. Independently developed by YUSHI INSTRUMENTS, the PR Mini Ultrasonic Pulse Generator/Receiver has successfully replaced traditional equipment with its compact and portable design, comprehensive functional configuration, stable performance, and high cost performance, becoming the preferred solution for numerous enterprises, research institutes and universities.
I. Core Product Advantages: Compact Size with Powerful Performance
Breaking the limitations of bulky size and complex operation of traditional pulse generator/receivers, the PR mini embodies the design philosophy of "compact yet powerful", achieving a perfect balance between performance and portability. With an overall dimension of only 14cm × 8.8cm × 3cm and a weight of just 230 grams, it can be seamlessly integrated into various test platforms, adapting flexibly to both fixed laboratory scenarios and on-site mobile testing.

In terms of core performance, the PR Mini delivers outstanding results. The device supports two pulse types: negative spike pulse and square wave pulse. The rise time is controlled between 4.5-8.5ns (20ns and above at a damping of 510Ω), and the fall time is 3.5-6.5ns. Its fast signal response capability ensures the accuracy of detection data. With a bandwidth covering 0.5-20MHz, it is compatible with most mainstream ultrasonic transducers, meeting diverse testing requirements from low to high frequencies. Meanwhile, the device adopts a computer-controlled mode and is equipped with a dedicated control software for the Windows platform. It enables rapid parameter setting and data management without complex installation and configuration, greatly lowering the operational threshold.

II. Flexible Parameter Configuration: Adapting to Diverse Application Scenarios
The PR Mini features highly flexible parameter adjustment capabilities, which can accurately match the optimal working state according to different testing requirements and transducer types, covering a variety of application scenarios such as ultrasonic flaw detection, thickness measurement, transducer performance testing, and material characteristic analysis.

01 Transmitter Parameters: Precise Regulation of Signal Output
Transmit Voltage: Four selectable voltage levels (60V, 110V, 150V, 200V) are provided, which can be flexibly switched according to transducer materials and testing requirements.
Pulse Width: Adjustable from 28ns to 1008ns (14ns step), accurately matching the transducer frequency.
Repetition Frequency: Eight selectable levels (4Hz, 8Hz, 16Hz, 20Hz, 100Hz, 500Hz, 1kHz, 2kHz) in internal trigger mode; the external trigger mode supports a frequency range of 0-20kHz.
Trigger Source: Free switching between internal and external trigger is available. The external trigger adopts the rising edge trigger mode with a trigger voltage of 3.3V, adapting to various synchronous testing scenarios.
02 Receiver Parameters: Optimizing Signal Reception Effect
Single/Dual Crystal Mode: Supports switching between single crystal (1T/1R) and dual crystal (1T/2R) modes, compatible with different types of transducers.
Damping Adjustment: Four damping options (340Ω, 500Ω, 900Ω, 5100Ω) are provided.
Gain Control: Supports gain adjustment from -4dB to 55dB with a 1dB step, which can effectively amplify weak echo signals while suppressing noise interference and improving signal signal-to-noise ratio.
III. Rich Functional Configuration: From Basic Testing to Secondary Development
The PR Mini not only meets basic testing needs but also provides a wealth of extended functions to support users in realizing personalized applications and in-depth development.
01 Convenient Software Operation and Data Management
The control software has an intuitive operation interface, enabling rapid setting of core parameters such as transmit voltage, pulse width and repetition frequency. It also supports parameter configuration saving and reading functions, allowing direct recall of historical configurations for subsequent use and improving work efficiency. The device is connected to the computer via a USB communication interface and is equipped with a dedicated communication USB flash drive (including control software), realizing plug-and-play without the need for additional driver installation.
02 Complete Hardware Interfaces and Standard Configuration
The device is equipped with transducer interface, a signal output interface and a communication interface. The transducer interface is used to connect single/dual crystal ultrasonic transducers, the signal output interface can be connected to an oscilloscope to display received waveforms, and the communication interface achieves efficient data transmission with the computer. The standard configuration includes 1pc main unit, 2pcs Q9-Q9 connecting cables, 1pc USB 4-core half-moon data cable, 1pc power adapter, and 1pc communication USB flash drive (including control software). A complete test platform can be set up right out of the box.
IV. Typical Application Scenarios: Covering Professional Needs in Multiple Fields
With its comprehensive performance and flexible configuration, the PR Mini has been widely applied in various professional fields, becoming a reliable solution in the industry:
01 Non-Destructive Testing Field
Suitable for scenarios such as ultrasonic flaw detection and thickness measurement, it can detect defects and thickness of workpieces made of various materials. For example, it can detect the thickness of PP material containers through the pulse-echo mode, or realize flaw detection of complex workpieces with dual crystal transducers through the transmission mode, providing accurate data support for quality control.
02 Scientific Research Experiment Field
It has become an important experimental equipment for universities and research institutes, supporting research projects such as transducer performance testing, material sound velocity measurement, and interface stress characterization. Our cooperative institutions include the National University of Defense Technology, Tsinghua University, Beijing Institute of Technology, and Chongqing Medical University, and many universities in other countries.
03 Industrial and Special Applications
It’s compatible with special transducer types such as air/water transducers and single crystal transducers, and can be applied to industrial scenarios such as air-coupled testing, liquid level height measurement, and ranging transducer testing. For example, a Wuhan enterprise uses it for signal excitation and reception of low-impedance air/water transducers, and a space research institution replaces traditional equipment to realize signal processing of single crystal transducers.
V. High Cost Performance Advantage: Replacing high-end identical equipment and Reducing Costs
More user-friendly operation, a more compact size and ultra-stable, reliable performance enable the PRmini to replace other high-end equipment at a lower cost for daily testing and scientific research tasks.
Whether for efficient and accurate industrial testing or flexible and expandable scientific research experiments, the PRmini Ultrasonic Pulse Generator/Receiver is the ideal choice for users with its powerful performance and flexible configuration.
Adhering to the user demand-oriented core, YUSHI will continuously optimize product performance and provide higher-quality ultrasonic testing solutions for users in various fields.