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基于创新的成像阵列技术,高精度超声摄像机可得到被测区域的实时的超声视频图像,就像传统的摄像机一般。使用常规检测方法时,若检测区域很大时,检测工作相当耗时和繁重,潜在的问题容易被忽略,而且需要经过专业培训认证的技术储备。高精度超声摄像机由于将缺陷如日常摄像机一般实时成像,使得检测速度大幅加快,而且不需要复杂的技术培训和知识储备。
高精度超声摄像机独特的功能和优势使得曲面管道和储罐底腐蚀检测效率大大提供,检测人员可以第一时间马上看到被测区域的完整图像,并很容易的辨别出腐蚀问题。相对于其他检测方法工作效率可以得到大幅提升。
技术特点:
l 简单快速检测
l 实时诊断
l 无需复杂的培训
l 轻便
l 电池供电
l 手持摄像头站立检测
l C-scan and A-scan同时显示
l 相比其他超声设备更便携,更准确
l 比相控阵超声和单点扫描超声的精度更高
l 提供所有必需的厚度和A扫描数据
l 满足ASTM E317
应用
航空航天
石墨/环氧 复合材料
高精度超声摄像机成像检测结果 5MHz
相控阵超声C扫描结果 5MHz
石油化工
20 cm 直径油气管道腐蚀缺陷样件
高精度超声摄像机成像图
相控阵超声C-SCAN成像图
X射线成像图
技术参数:
General
Dimensions (W x H x D) | Camera: 7.8” x 3.5” x 3.0” (19.8 cm x 8.8 cm x 7.6 cm) Controller: 12.5” x 8.0” x 3.5” (31.7 cm x 20.3 cm x 8.8 cm |
Weight | Camera: 1.3 lbs. (0.6 kg) Controller: 6.0 pounds (3.2 kg) |
Camera Cable | 8.0’ (2.4 m) length |
Focus Range |
Steel:0” to 2.0” (0 to 5.0 cm) Composites:0” to 2.0” (0 to 5.0 cm) Aluminum: 0” to 3.0” (0 to 7.5 cm) |
Data Storage | 500 megabytes RAM; 80 gigabyte hard drive |
Battery | Rechargeable14.4 volt lithium-ion;90 minute battery life; built-in charger |
Power Requirements | 110/240 VAC; 50/60Hz |
System Hardware &Software | Intel Celeron 1.6 gigahertz processor; Microsoft Windows XP |
Test Modes | C-scan: pulse-echo, through transmission A-scan: pulse-echo, through transmission, dual element |
Inputs/Outputs
Display | high brightnessTFT color LCD; SVGA; 800W x 600H; 6.75” W x 5.25” H; 8.4” diagonal (17 cm x 13 cm; 21.6 cm) | Sunlight readable |
Display Modes | C-scan, A-scan, combined C/Ascans | Normal & full screen |
Software | AcoustoVision™ | Touchscreen GUI |
Ethernet | 100 BaseT | (1) RJ45, F jack |
Wireless | 802.11 a/b/g (supports remote NDI system) | (1) 4.25” antenna |
VGA Controller | VGA 800W x 600H | (1) 15-pin HD D-sub, F |
USB | USB 2.0 | (2) USB jacks |
C-scan
Acoustic Lenses | Threeelement F/1 lens set |
Acoustic Field of View | 1.0” x 1.0” (2.5 cm x 2.5 cm) instantaneous |
Imaging ASIC Array | Patented Digital Acoustic Video™ Version 6.0 |
Array Elements | 120 x 120 (14,400 pixels) |
Pixel Size | 100 microns |
C-scan Video Rate | 30 frames per second |
X/Y Spatial Resolution | 600 microns (0.6 mm) @ 5 MHz |
Dynamic Range | 60 Db instantaneous |
Depth Resolution | 10 ns |
Image Acquisition Range | Variable delay from0 µs to 250 µs |
Image Acquisition Length | Variable detection window from 0 ns to end of range in 10 ns increments |
Match Gates | C-scan gate start/width can match to A-scan gate start/width |
X,Y Defect Sizing | User calibrated grid orpoint-to-point manual sizing |
Image Capture | C-scan, A-scan, combined C/A scans |
Image Capture Type | JPEG;on-board storage up to 1 million image capture files |
Video Capture Type | MPEG-3; 60 s max. recordtime/file;on-board storage up to 100,000 files |
A- scan
Gain | 0 to 83dB |
Maximum Input Signal | 5 Vp-p |
Receiver Input Impedance | 10 MΩ ± 5% |
Receiver Bandwidth | 0.2 to 120 MHz @ -3 dB |
A-scan Rectification | Full, half, none |
Receiver Delay | 0 to 0.2 µs |
Digital Filter Settings | Yes |
Reject | Variable from 0% to 100% FSH |
Time Corrected Gain | Up to 5 reflected peaks can be used for calibrating TCG |
Amplitude Measurement | 0% to 110% full screen height with 0.125% resolution |
Measurement Rate | 250 Hz (equivalent to PRF) |
A-scan Gate Start | Variable over entire displayed range |
A-scan Gate Width | Variable from gate start to end of displayed range |
A-scan Gate Height | Variable from 1% to 100% FSH |
Reference Cursors | 2 reference cursors |
Alarms | Alarm feature for 2nd reference cursor |
Acoustic Velocities | Pre-installed, editable library of 40commonly inspected material |
Pulses per Burst
Up to 20 square wave pulses
Pulser Voltage
0 V to 1500 V
Pulse Repetition Frequency
250 Hz
Pulser Rise Time
< 15 ns
Bandwidth
Adjustable from 0.5 MHz to 7.5 MHz
External Transducer
Dual-element, adjustable frequency
Pulser
2-Dimensional Scanning & Stitching
Encoders | Two 1.0” (2.5 cm) diameter wheels; 20 steps/mm resolution |
Scanning/Stitching Software | AcoustoVision™ add-on module |
Scanned Imaging Features | real-time scan display; automatic image correction; scans stored as JPEGs |
Scan Area | 12.0” x 12.0” (50 cm x 50 cm) per image |
Attachments | User removable encoders and external transducer |
Certifications and Environmental Qualifications
ASTM E317-06a | Standard Practice for Evaluating Performance Characteristics of Ultrasonic Standard Practice for Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing Instruments and Systems |
ASTM 1324-11 | Standard Guide for Measuring Some Electronic Characteristics of Ultrasonic Testing Instruments |
Operating Temperature | 0° C to 50° C (32° F to 122° F); camera head contact to 400 °F (205 °C) |
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