The Nortec 500 Series eddy current flaw detectors incorporate a full range of features:internal balance coils, VGA output connector (for heads up displays, monitors,and projectors), and a USB interface for rapid information transfer. The Nortec 500also includes PowerLink, for automatic probe recognition and program set-up.
Key Features of the NORTEC 500
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50 Hz to 12 MHz frequency range
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preamplifier (0 or 14 dB)
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Single Li-Ion battery, choice of two battery configurations: 2.4 Ahr or 8.8 Ahr
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Lightweight, 1.2 kg to 1.7 kg (2.8 lbs to 3.8 lbs) depending on battery configuration
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165 mm (6.5 in.) full VGA color LCD (640 x 480 resolution)
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On-board storage of up to 200 programs
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On-screen reference memory for go/no go applications
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Internal balance loads for single coil probe support
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Display Freeze to hold flaw signals
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PowerLink technology – automatic probe recognition and instrument set-up
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Foreign Object Debris (FOD) free case design
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VGA output.
Eigenschappen – general
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Dimensions
(W x H x D)216 mm x 140 mm x 61 mm (8.5 in. x 5.5 in. x 2.4 in
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Weight
1.2 kg to 1.7 kg (2.8 lbs to 3.8 lbs), depending upon configuration
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Display
133 mm x 99 mm, 165 mm diagonal (5.25 in. x 3.9 in., 6.5 in.) full VGA color LCD (640 x 480 pixels)
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Operating temperature
–10 ºC to 55 ºC (14 ºF to 122 ºF)
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Humidity
5% to 95%
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Classification
Based on Class 2 specifications from the MIL-PRF-28800F handbook
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Altitude
Maximum operating and non-operating altitude – 4600 m (15,000 ft)
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Hazardous area operation
Safe operation as defined by Class I, Division 2, Group D, as found in the National Fire Association Code (NFPA 70), Section 500, and tested using MIL-STD-810F, Method 511.4, Procedure 1
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Probe types
Absolute and differential in either bridge or reflection configuration. The instrument is fully compatible with Nortec PowerLink probes.
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Alarms
Can be set to trigger on positive or negative box, polar, or sweep alarm settings
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Alarm modes
1 to 3 box gates, polar, sweep, conductivity, and coating thickness
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Trace storage
Up to 200 traces can be stored for recall. The traces can be static or frozen and can contain up to 60 seconds of movement. The traces are stored with the date and time of capture.
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Program storage
Up to 200 instrument set-ups may be stored and recalled. The date and time of storage is recorded with each set-up.
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Print out
Provides a custom configurable report header containing the display screen data and probe parameters including serial numbers (PowerLink probes only)
MEASUREMENT
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Frequency range
50 Hz to 12 MHz
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Gain
0 dB to 90 dB in 0.1 dB steps. The horizontal and vertical gains may be adjusted separately or together.
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Rotation
Variable 0º to 359º in 1º steps
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Sweep
Variable from 0.005 s to 4 s per division
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Low Pass filter
10 Hz to 500 Hz and wide band
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High Pass filter
Off or 2.0 Hz to 500 Hz, 2 pole response
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Built-in preamplifier
5X (14 dB) additional gain.
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Probe drive
2 volts, 6 volts, 12 volts
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Variable persistence
0.1 s to 5 s
INPUTS/OUTPUTS
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Power
2-pin connector to charge the internal batteries and operate the instrument from AC power
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USB port
Allows interface with PC and printers
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Probe connector
16-pin LEMO and BNC
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Analog outputs
Horizontal and vertical outputs of both F1 and F2. +/– 5 V, 1 V per division (four outputs)
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Alarm outputs
15-pin analog and alarm output connector
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VGA output
15-pin connector
POWER
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Power requirements
85 V to 240 V, 50 Hz to 60 Hz. Battery can be
charged within the instrument or in an external charger. Charge typically takes 4 hours.
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Available batteries
2.4 Ahr Li-ion or 8.8 Ahr Li-ion
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Low battery protection
Display bar graph “gas gauge” indicates approximate operating time. A low battery annunciator indicates when approximately 10 minutes of operation time is left.
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Battery operating time
3 to 8 hours nominal depending on configuration and scanner usage
CONDUCTIVITY
(Nortec 500C, 500S and 500D only)
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Frequency
60 kHz or 480 kHz
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Digital conductivity specification
Digital conductivity display from 0.9% to 110% IACS or 0.5 to 64 MS/m. Accuracy within +/– 0.5% IACS from 0.9% to 65% IACS and within +/– 1.0% of values over 62%. Meets or exceeds BAC 5651 specifications.
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Non-conductive coating thickness
Can measure non-conductive coating thickness from 0 mm to 0.38 mm (0 in. to 0.015 in.). Accuracy of 0.025 mm (+/– 0.001 in.) over 0 mm to 0.38 mm (0.00 in. to 0.015 in.) range
SCANNERS
(Nortec 500S and 500D only)
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Scanner compatibility
Will operate all current Nortec scanners and many other commercially available scanners
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Waterfall display
60 sweeps per hole and includes an on screen readout of the distance to the defect from the start of the scan
DUAL FREQUENCY
(Nortec 500D only)
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Frequency extension
50 Hz to 12 MHz
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Second frequency
25 Hz to 6 MHz, 2nd frequency is an exact division of the first frequency
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Display
Frequency 1 (F1) only, frequency 2 (F2) only, sum of F1 and F2, difference between F1 and F2, split screen with selected combinations of F1 and F2 and mixed frequencies
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High Pass filter
Available in frequency (F1) only.
