Mitech CO.,LTD.
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Mitech MET Series Portable Eddy Current Flaw Detector intelligent, portable, multi-frequency
Working Principle
The eddy current detection technique is based on the principle of electromagnetic induction, and the excitation signal is loaded into the probe coil. When the probe is close to the metal surface, the alternating magnetic field around the coil will generate the induced current on the metal surface.For flat metal, the flow of induced current is a coil concentric circular, shaped like a vortex, named as the eddy current.The size, phase and flow pattern of the eddy current are affected by the conductivity of the specimen.The eddy current also produces a magnetic field that in turn causes the impedance of the detection coil to change.
So when the conductor surface or near the surface of the defect or the measurement of metal materials change, the intensity and distribution of eddy currents will be affected by changes in the impact,Which in turn causes a change in the detection coil voltage and impedance.Eddy current testing is based on this change, the indirect feedback of the existence of defects within the conductor and the performance of metal materials have changed.
Features
Configurations
| Configurations | NO. | Name | QTY. | Remarks |
| Standard configuration | 1 | Main unit | 1 | |
| 2 | Flat probe | 1 | ||
| 3 | Standard eddy current test block | 1 | Aluminum block | |
| 4 | Probe cable | 1 | ||
| 5 | Battery | 1 | ||
| 6 | Power adapter | 1 | ||
| 7 | Attaced files | 1 | ||
| Optional configuration | 1 | Various probes | Customized to customer requirements | |
| 2 | Magnetic memory measurement system | 1 | ||
| 3 | Coating thickness measurement system | 1 | ||
| 4 | Conductivity measurement system | 1 |
Standard Delivery
• 1-4 business days domestic shipping; 4-8 business days to any countries. please call us at 0086-15510751126 or email us at mitech11(at)mitech-ndt.com to get detailed shipping cost quote.
• DHL,FedEx, TNT or UPS is available. Please email us your address to get a shipping quote.
Return Policy
• We accept refund or replacement of items with defects or different description
within 30 days of purchase, if item returned in original conditions as received.
• Returning shipping cost will be on the buyer.
• 15% restocking fee will apply. Shipping cost is non-refundable. Buyer pays for shipping back.
Warranty
• Warranty: 2 year
Payment Methods
• Visa, Master card, ( Please call us at 0086-15510751126 to speak with
our friendly sales representatives. (Monday to Friday, 8:30am to 5:30pm EST)
• Wire Transfer
• PayPal (mvip(at)mitech-ndt.com)
All goods remain property of MITECH CO., LTD until payment is received in full.
$30.00 administration fee will be charged for all Wire Transfer.
| Technial parameters | MET Sreies | ||
| MET401 | MET402 | MET404 | |
| Testing range | 0-5mm | ||
| Testing channel | 1 | 2 | 4 |
| Independent detection frequency | Single frequency | ||
| Frequency range | 10Hz-10MHz,Step by 1KHz | ||
| Crack detection accuracy | L*W*H 3mm *0.1mm*0.072mm (Using flat probe to detect steel test block) | ||
| Pipe inspection accuracy | 0.3mm through hole to 8db (20mm within the probe) | ||
| Gain range | 0.0-99.0dB,Step by:0.1/0.5/1 dB | ||
| Phase rotation | 0-359°Continuously adjustable,step by 1/5/10 Deg | ||
| Signal to noise ratio(SNR) | ≥10dB | ||
| ratio of gains | (Y/X):0.1-10.0 | ||
| Probe drive | 1-8 | ||
| Calibration curve | Equivalent amplitude | ||
| Digital filtering | Lowpass:0Hz-2000Hz；Qualcomm:0Hz-2000Hz | ||
| Filter points | 0-1024 | ||
| Broadband | 100Hz-10MHz | ||
| A/D rate | 12bit 80M | ||
| Automatic balance | Digital electronic balance | ||
| Display method | Impedance, time base, round hole, Cartesian coordinates, polar coordinates | ||
| Scan speed
| 1-1000 Level | ||
| Real-time hardware sampling | 10-bit AD converter with sampling speed of 160MHz | ||
| Alarm mode | Real-time alarm | ||
| Alarm window | Fan, square | ||
| Window adjustment | 1~12 Level | ||
| Storage type | SD Card | ||
| Test data | Over 5000 groups | ||
| Detection parameters | Over 1000 groups | ||
| Display | 5.7 inch color TFT-LCD liquid crystal display with a resolution of 640 * 480 | ||
| Standby time | 10h | ||
| Interface | LEMO-6 DB-15 | ||
| Magnetic memory sensitivity | 5Gs | ||
| Digital conductivity display range | 0.9%-110%IACS or 0.5-64MS/m | ||
| Digital Conductivity Accuracy | 0.9%-65%IACS:±0.5%IACS；over 62%IACS:±1.0% | ||
| Nonconductive coating thickness | 0 mm-0.648 mm | ||
| Coating Thickness Accuracy | 0.025 mm(±0.001 in) | ||
| Dimensions | 240*175*75mm | ||
| Total weight | 1.5kg | ||
