Multichannel Eddy Current Flaw Detector for Production Lines
The EddyInspector LM is a four-channel eddy current flaw detector for production lines that employs time-division multiplexing, offering high cost-performance.
The detector can be operated with just six buttons and a jog dial. Despite being a four-channel digital flaw detector, it is simple to operate.
The EddyInspector LM has a TFT color LCD that is easy to read even in bright light. Despite being a digital display, it achieves analog-like smooth plotting. Also, taking advantage of its digital design, it offers a storage feature that can display waveform traces. The six buttons and jog dial allow the operator to perform all tasks intuitively, so even inexperienced operators can quickly master the use of the detector.
The EddyInspector LM offers two testing views: single- and four-channel views. The single-channel view is used to perform calibration, while the four-channel view is used during inspection to check the inspection status of the individual channels on a single screen.
The EddyInspector LM has analog outputs and a control I/O port for each channel. This configuration allows the operator to inspect four areas of a single workpiece simultaneously or use the detector as a dual-channel device to perform a two-stage inspection process. The independent sets of I/O ports for the individual channels accommodate a wide variety of inspection scenarios.
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Probe Type | Self-induction or mutual-induction |
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Detection Method | High-speed digital detection |
Test Frequency | 2, 4, 8, 16, 32, 64, 128, 256, 512 kHz 600 kHz ~ 2000 kHz (100 kHz steps) |
Sensitivity | 0.0 dB - 80.0 dB (0.1 dB steps) |
Phase | 0 deg - 359 deg (1 deg steps) |
Bridge Balance | Manual balance(approx. 100 ms) Follow-up balance (2 speeds) The follow-up speed is adjustable between 0000 - 0FFF. |
L.P.F. | 50 - 1000 Hz (10 Hz steps) -24 dB/oct |
H.P.F. | OFF, 1 - 500 Hz (1 Hz steps) -24 dB/oct |
Testing |
Window comparator around the origin. ±0.20 V - ±9.99 V(0.01 V steps; each X and Y) or DISABLED |
Display | 6.5-inch TFT color LCD Parameters, OPE, OK, NG, Defect and ET signal view |
Inputs / Outputs | ・Analog outputs DC ±10 V(X and Y signals for 4 channels, BNC connectors) ・External control inputs(I/O connector) P(+12 - +24 V power supply)、N(power GND)、AUTO、OPE、BAL、CLR ・External control outputs(I/O connector) OK、NG、NG2、RDY、OPE、WDT |
Environmental | Temperature range: 5 ℃ - 40 ℃. Humidity: 10 % - 85 % (without condensation) |
Dimensions | W: 370 mm H: 149 mm D: 350 mm(not including rubber legs and connecters.) |
Power | AC100 - 240 V ±10 %, 50 / 60 Hz single phase |
This video demonstrates how four sensors can be used individually with the four channels of an EddyInspector LM detector to perform an asynchronous inspection.