| 详细介绍：
MFD500数字式超声波探伤仪
MFD500是一款便携式、数字式超声波探伤仪，它能够快速便捷、无损伤、精确地进行工件内部多种缺陷（裂纹、夹杂、气孔等）的检测、定位、评估和诊断。既可以用于实验室，也可以用于工程现场。本仪器能够广泛地应用在制造业、钢铁冶金业、金属加工业、化工业等需要缺陷检测和质量控制的领域，也广泛应用于航空航天、铁路交通、锅炉压力容器等领域的在役安全检查与寿命评估。
功能特点：
全中文显示，主从式菜单，并设计有快捷按键和飞梭旋钮，操作便捷，技术领先。
全数字真彩色液晶显示器，可根据环境选择背景色和波形颜色，液晶亮度可自由设定
高性能安保电池模块便于拆装，可以脱机独立充电，并可选配大容量高性能锂离子电池模块，使仪器连续工作时间延长到八小时以上；仪器轻小便携，单手可以把持，方便耐用，引导行业潮流。
主要技术参数：
－ 扫描范围：（0~9999）mm
— 工作频率：（0.5~15）MHz
— 声速范围：（1000～9999）m/s
— 动态范围：≥32
— 垂直线性误差：≤3%
— 水平线性误差：≤2%
— 分辨力：﹥40 dB（5P14）
— 探伤灵敏度余量：60 dB（深200mmφ2平底孔）
— 数字抑制：，不影响线性和增益
— 电噪声电平：≤10%
— 电源、电压：直流（DC）9V；锂电池连续工作4-8小时以上
— 环境温度：（-20～50）℃
— 相对湿度：（20～95）%RH
— 外形尺寸：263×170×61 mm
放大接收
硬件实时采样：10 位AD 转换器，采样速度160MHz，波形高度保真
检波方式：正半波、负半波、全波、射频检波
滤波频带（0.5~15）MHz，根据探头频率全自动匹配，无需手动设置。
闸门读数：单闸门和双闸门读数方式可选；闸门内峰值读数
增益：总增益量110dB，设0、0.1dB、2dB、6dB 步进值，独特的全自动增益调节及扫查增益功能，使探伤既快捷又准确。
探伤功能
— 波峰记忆：实时检索缺陷最高波，标定缺陷最大值
— ф值计算：直探头锻件探伤,找准缺陷最高波自动换算孔径ф值;
— 动态记录：检测实时动态纪录波形，存储、回放
— 缺陷定位;实时显示缺陷水平、深度、声程位置
— 缺陷定量：缺陷定量值实时读出
— 缺陷定性：通过回波包络波形，方便个人经验判断
— 曲面修正：用于曲面工件探伤
— 距离补偿：厚工件远距离探伤实时补偿，避免漏检小缺陷
— 裂纹测深功能
— B型扫描：实时扫查，描述缺陷横切面
发射脉冲
— 脉冲强度低、中、高分级选择，适用探头范围广
— 脉冲宽度：在（0.1~0.5）μs范围内连续调节，以匹配不同频率的探头
— 阻抗匹配：100Ω、200Ω、400Ω可选，满足灵敏度及分辨率的不同工作要求
— 工作方式：单晶探头、双晶探头，穿透探伤
扫描范围
零界面入射0～9999mm（钢中、纵波），可连续调节
通讯接口
USB2.0高速通讯传输接口
报警
闸门内声光报警及关闭
实时时钟记录
实时探伤日期、时间的跟踪记录，并存储
数据存储
100组快捷选择探伤参数通道，可预先调校好各类探头和仪器的组合参数，自由设置各行业探伤标准；内存1000幅探伤回波信号及参数，实现存储，读出及通过USB接口传输。
实时时钟
实时探伤日期、时间的跟踪记录，并记录存储。
电池模块
高容量锂电池模块，在线充电和脱机充电两种充电方式，方便探伤人员使用。
MFD500 digital ultrasonic flaw detector
MFD500 is a portable, digital ultrasonic flaw detector, it can quickly and easily, without injury, accurate workpiece internal multiple defects (cracks, inclusions, stoma)detection, localization, assessment and diagnosis. Both can be used in laboratories, can also be used in the engineering field. The instrument can be widely used indefect detection and quality control areas in need ofmanufacturing industry, metallurgical industry, metalprocessing industry, chemical industry, in-service safety inspection and life assessment are widely used in aerospace, railway transportation, boiler and pressure vessel etc..
Function characteristics:
All Chinese display, master-slave menu, and the design of a shortcut keys and shuttle knob, convenient operation, leading technology.
All digital true color liquid crystal display, according to the environment select background color and color, LCDbrightness can be set freely
High performance security of battery module is convenient for disassembly and assembly, can be stand-alone charge, and can be equipped with large capacity and high performance lithium ion battery module, making the instrument continuous operation time is prolonged to more than eight hours; instrument for light portable, single hand can control, convenient and durable, and lead the industry trend.
Main technical parameters:
Scanning range: (0~9999) mm
Operating frequency: (0.5~15) MHz
Velocity range: (1000 ~ 9999) m/s
Dynamic range: 32
Vertical linearity error: ≤ 3%
Horizontal linear error: ≤ 2%
- resolution: > 40 dB (5P14)
- detection sensitivity: 60 dB (deep 200mm φ 2 flat bottom holes
Digital suppression:, does not affect the linearity and gain
Electrical noise level: ≤ 10%
Power, voltage: DC (DC) 9V; 4-8 lithium battery continuous working hours
Environment temperature: (-20 ~ 50) ℃
Relative humidity: (20 ~ 95)%RH
- Dimensions: 263 x 170 x 61 mm
The amplified reception
Hardware real-time sampling: 10 bit AD converter,sampling rate of 160MHz, waveform of high fidelity
Detection: a positive half wave, negative half wave, Quan Bo, RF detector
The filtering band (0.5~15) MHz, according to the frequency of the probe automatic matching, without the need to manually set.
Gate reading: optional single gate and double gate readings; inside the gate peak reading
Gain: the total amount of gain of 110dB, 0, 0.1dB, 2dB,6dB step value, automatic gain control and scan the gainfunction is unique, so that testing is fast and accurate.
Detection function
- wave memory: real-time retrieval defect maximum wave,defect maximum calibration
- Phi value calculation: straight probe forging defects,identify the highest wave automatic conversion aperturediameter value;
Dynamic recording: detection of real-time dynamic record waveform, storage, playback
- defect location; display defect level, depth, acousticlocation
- defect: defect quantitative values of quantitative real-time readout
And the qualitative defect: through the envelope of echo waveform, convenient personal experience judgment
Surface modification of: for surface flaw detection
Distance compensation: thick workpiece distance detection real time compensation, to avoid detection of small defects
- crack depth function
B scan: real-time scanning, describing the transversedefects
The transmitted pulse
Pulsed low intensity, high grading, selection, apply a wide range of probe
Pulse width: (0.1~0.5) μ s range of continuous adjustment, to match the different frequency prob
- impedance matching: 100 ohm, 200 ohm, 400 ohmoptional, meet different sensitivity and resolution requirement
Working way: single crystal probes, probes, penetration testing
Scan range
Zero plane incident of 0 ~ 9999mm (steel, longitudinal wave), can be adjusted continuously
Communication interface
USB2.0 high-speed communication interface
To alarm
Inside the gate of an acousto-optic alarm and shutdown
Real time clock records
Real time detection of date, time tracking, and storage
Data storage
100 groups of quick selection of testing parameters of channel, can make adjustment of parameters of all kinds of probe and instrument, free to set the industry inspection standard; memory 1000 flaw echo signals and parameters, implementation of memory, read and through the USB interface transmission.
Real time clock
Real time detection of date, time tracking, and record storage.
The battery module
High capacity lithium battery module, charging on-line and off-line charging two charging modes, convenient inspection personnel.
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