DMD-556Win type far field eddy detector is a new generation eddy nondestructive detecting equipment ，it adopts the latest FPGA/DSP digital electronic technology、far field eddy technology and microcomputer technology ，multiple channels real time detecting technology，it can effectively detect in wall flaw and ektexine flaw of ferromagnetic metal pipes，DMD-555Win type far field eddy detector adopts Win98 operating interface, powerful function，easier to operate，beautiful interface ;it doesn’t affected by probe lift-off effect，skin effect，conductivity and permeability
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DMD-556Win has multiple optional detecting procedures，displaying mode in the same screen with multiple windows , displaying multiple eddy signal phase and amplitude as well as its amplified waveform on the screen 。Multiple relatively independent detecting channel， frequency scope is wider from 1Hz to 6Hz adjustable ，multiple mixing unit restrains interference signal created by facing bar、dent、sediment and pipe cold working during detecting ，excluding fake keeping true， enhancing evaluating precision of eddy current detecting signal。 And duo to adopt full digital design so it can build standard detecting procedure in instrument and convenient for users to detect so that doing eddy current detecting plan、statistic、and data saving 、indexing 、invoking、filing and saving file and so on。
1、Frequency scope：1Hz ~ 6MHz（far field frequency 5Hz～5KHz）
2、Gain ：0～90dB，stepping 0.5dB
3、Gain /phase measurement :manual /automatic
4、Phase rotation ：0~360° stepping 1 °
5、Six independent detecting channel
6、Eight hardware alarm output connector
7、Quickly analog /digital type electronic balance
8、Automatic/manual amplitude and phase measurement
9、Unique non-amplitude /amplitude alarm
10、Having multifrequency detecting analysis function
11、Probe excitation amplitude,can be adjusted by keyboard
12、Saving mass independent detecting procedure and detecting data
13、Four impedance plane diagram and two ribbon type time base scanning curve display
14、Extending C scanning displayed function
15、Background solution of rectangular coordinate system and Polar coordinate system
16、It can connect two kinds of probes simultaneously to realize flaw detection and thickness measuring completed simultaneously or respectively 。 One machine can be used as two kinds of machines
17、Industrial personal computer or laptop is optional， host and laptop takes USB2.0 high speed communication link mode
18、Equipped with far field detecting function
19、Not only a set of complete far field eddy detecting system but also advanced property of conventional multifrequency 、multichannels eddy detectors
20、Displayed modes:spot /line /blanking
21、High pass filtering：0~500 Hz
22、Low pass filtering ：10-10000Hz
23、Digital filtering point：1-100
Working temperature ：-15~55℃
Saving temperature ：-20~60℃
Relative humidity ：not exceed 85%
Working voltage：AC220±10V/DC12V
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