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Eddy Current MultiMac Sensor

 

Eddy Current Instrument for Encircling Coil, Sector and Rotary Probe Testing of Tube, Bar, & Wire


Feature

TEST PARAMETERS

CHANNELS
Up to 8 test channels. Software configurable as Flaw (Differential), or Absolute for use with Encircling or Sector Coils or Rotary test Probes.

TEST FREQUENCY
1KHz to 5 MHz. 20 pre-selected frequencies, or user selection of any specific frequency.

FLAW BANDWIDTH
Variable up to 5 KHz. High Pass, Low Pass, Band Pass, BP-Auto and Out.
Fixed filter positions adjustable from 0.1 Hz to 5000 Hz flaw frequency.
The bandwidth of the BP filter can be selected through a “Q” factor dictating the ratio of high
to low pass filters.

 

AUTO SPEED SHIFT

FILTER
Auto speed shift control, used with the optional encoder, adjusts filters to the optimum frequency for the line speed. In rotary test applications, the filter is governed by the RPM and material diameter.

PHASE
0 - 359º, calibrated in 1º steps.

SENSITIVITY
0 - 99 dB, calibrated in 1dB steps.

THRESHOLD
SELECTION
Selections include All Phase, Sector, Chord, and Half Chord, all assignable with up to three levels. The sector threshold can be rotated to any phase angle. There are counters for active thresholds and each active gate. Only active thresholds display on the screen. The threshold selection feature allows complex gating for challenging test conditions.

ENHANCEMENT
CIRCUITS
These circuits may be selected to improve the apparent linear signal-to-noise ratio of signals in any phase. Circuits include A+, V+H- and V++H-. The H- has an adjustable H- factor. V+Hand V++H- are primarily for rotary applications.

AUTO TRACKING
BALANCE
All differential channels, are continually tracked to ensure proper balance of the test sensors. MultiMac automatically rebalances if the test system is out of balance, to assure reliable test function, even under adverse conditions. The System Ready Indicator will indicate if the power, coil condition and balance are not adequate.

CALIBRATION
Internally generated signal provides a system check for repeatability of all parameters.

LOCKOUT MODE
Prevents unauthorized changes to instrument settings.

END SUPPRESSION
Optional external switch end sensor and optional encoder to suppress end signals.

SOFTWARE CONTROL
Control of all functions is set through keyboard entry and/or mouse.

 

OUTPUTS

EIGHT OUTPUTS
A choice of 3 thresholds per channel, based on All Phase, Sector, Chord or Half Chord, can be mapped to any of 8 outputs. Independently configurable for time or distance delay and normal, reject or latched mode.

CE UNITS
Four 24 VDC output modules are provided, each with a relay and an opto-isolated output. Outputs can be routed to accept any threshold. Combined current draw for all outputs cannot exceed 2 amps.

NON CE UNITS
Four DC and four 120 VAC outputs.

 

SCREEN DISPLAY

BUILT-IN DISPLAY MODEL
Includes built-in 17” TFT display. For cabinetry that does not include the built-in display, a
back panel output connector is provided for optional external monitor.

EC SCREEN
All parameters for testing are set up through this screen for each channel, independently.

SIMULTANEOUS POLAR/LINEAR MULTI SCREEN
Provides all the thresholds and test information for up to 8 channels. In the polar display, the amplitude and phase are represented by the length and angle of the signal. The linear display is a strip chart, real-time scrolling portrayal of the vertical channel. Other screens include TRACK, CHART, BATCH, and SYSTEM.

SYSTEM STATUS
System Status section of display includes indicators for Coil, Threshold, System Ready and Balance conditions. Auto tracking provides continuous AC self-balance over the entire frequency range

 

DATA STORAGE, REPORTING & NETWORKING

SETTINGS, STORE & RECALL
Unlimited settings can be named, annotated, stored and recalled from a library on the internal storage device, or network. When networked, multiple instruments can share the same library for assurance of correct settings in multiple test lines.

DATA STORAGE
Linear strip charts and complete test data are stored.

REPORTING CAPABILITIES & NETWORKING
Through Windows® OS, reports containing customer, product information, defect location, time, amplitude and phase, can be stored locally or on a network server for quick follow up and quality assurance. Test data report is managed in the BATCH screen.

 

TEST COILS & SENSORS

COILS & COIL DRIVE
All Standard MAC coil types & sensors. Adjustable/Primary Bridge Drive up to 20 V pp.

COIL CONNECTORS
Standard 7 pin for coil and sector, and 11 pin for rotary probe applications.

 

STANDARD CABINET SPECIFICATIONS

CABINET MODEL, CAB-002 DIMENSIONS
25” W x 22” H x 26” D (65.5 cm x 55.87 cm x 86.4 cm) for cabinet. Air conditioner adds an additional 8” (20.3 cm) to depth.

WEIGHT
230.5 lbs (104.54 kg) for cabinet. Additional 48 lbs. (21.8 kg) for air conditioner.

POWER REQUIREMENT
120/240 VAC, 50/60 Hz, single phase, 5 amps (not including air conditioner).

 

CUSTOM CABINET INSTALLATIONS

MULTI TEST INSTALLATIONS
For many multi test installations with additional test instruments and controls, MultiMac instrumentation is installed in rack mount, environmental cabinets, specified for the application.


Spesification

  • Versatile Threshold Selection
  • Up to 8 Channels

 

Multimac Screens for Operation and Control

  • EC Screen
  • Multi Screen
  • Chart Screen
  • Track Screen

 

Features of the MultiMac Electronics
  • Simultaneous Coil and/or Rotary Probe operation
  • Differential and/or Absolute Mode operation
  • Up to 8 independent Test Channels
  • 1 KHz to 5 MHz Test Frequency selection for each Channel
  • Store & Recall Setups; Print & Transfer Data
  • Simultaneous Polar/Linear Display
  • Versatile Threshold Selection includes Chord, Half Chord, Sector, All Phase
  • Enhanced Signal-to-Noise

 

MultiMac Applications

  • Detect short surface and some subsurface defects in tube, bar, and wire.
  • Identify seam type surface defects and laps in cold drawn wire or cut length bar stock.
  • Test magnetic or non-magnetic wire, bar and tube.
  • Inspect welded tube for short ID or OD defects in the weld zone.
  • Test uniform cross sectional material, including squares, rectangles, hex and round.
  • Check continuity and locate welds in single & multi-conductor insulated wire and cable.
  • With additional absolute channels, check for long, open welds or magnetic inclusions.
  • Inspect in-line with continuous wire operations.
  • Test parts, such as small shafts and bearings for longitudinal surface defects.

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Sangat jarang perusahaan seperti ini di Indonesia!  Mereka terus-menerus mengikuti perkembangan inovasi engineering test & measurement, “nyambung” berdiskusi teknis dan berpengalaman, memiliki visi pengembangan teknologi pengukuran, pengujian, inspeksi dan monitoring.(Dr.-Ing. Ir. May Isnan - NDT Specialist B2TKS-BPPT)

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BPPT

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Saya baru sekali ini bertemu perusahaan engineering yang eksis seperti ini di Indonesia.  Sangat terbantu dengan solusi yang diberikan, sangat memuaskan!(Muksin Saleh, ST., MT - Fuel Conversion and Pollution Control Specialist, B2TE - BPPT)

BALITBANG

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Sistem monitoring yang disuplai oleh Alat Uji adalah yang tertinggi ratingnya sampai dengan saat ini dibandingkan sistem lain yang pernah kami miliki, Dengan sistem monitoring dari Alat Uji, Pengujian kami jadi lebih terkontrol karena ada visualisasi di sistemnya. (Gatot Sukmara - Badan Penelitian dan Pengembangan, Departemen Pekerjaan Umum)

 
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