NOVOTEST UD4701 超声波探伤仪

16-channel PA with C-SAFT / TFM signal processing

Normal Flaw Detector Mode

TOFD mode

Up to 10-12 hours of battery life


Weight: 1.4 kg with batteries

Size (H x W x L) :200 mm x 225 mm x 80 mm

Operating temperature range: From -30 C to +55 C

Supply voltage: 15V / 2,5А DC

External power supply: Power Supply 220В AC

Working hours: Not less 10 hours of operation from the built-in battery

Battery: Li-ion 10.8V, 5000 mА/h

Transducer connectors: 2 Х Lemo00,1 Х Lemo 16

Firmware Upgrade: Self-powered by USB

Menu Language: Russian, English

Interface: USB

Memory: 200 settings with A-signal

1000 monitoring protocols and scan results

Display: Color high contrast, TFT 640 x 480 pixels, (130 x 100 mm).

Changing the color schemes of thescreen for viewing and lighting conditions: Yes

Processing the image on the screen after “freezing” the screen: Full-featured processing and analysis

Support for the weld inspection standard AWS D1.1: Yes, with automatic calculation D1.1 Ratio

Comparison with the saved reference signal: Automatic in the entire amplification range

Estimation of the size of defects in the classical flaw detector mode: Built-in ADD diagrams

Amplitude measurement:

In percentage of the height of the screen

In dB relative to the threshold level in the


In dB relative to the reference signal,


Automatic Defect Alarm: Light, sound

Simultaneous display of signals on the screen in the PR mode in manual mode:


А-scan + S-scan,

А-scan + B-scan,

S-scan + B-scan,

А-scan + S-scan + B-scan

Determination of linear dimensions between reflectors in S-scan: By two markers, set manually or automatically

Calculation of the coordinates of the reflectors on the S-scan: Automatically in the entire range of S-scan,

using a mathematical model of the prism in the

memory of the flaw detector, the accuracy of

determining the coordinates to 0.1mm

Algorithm for finding a defect in the

testeing zone: Automatically on the maximum amplitude of the signal in the zone, auto at the maximum

amplitude of the signal on the selected beam,


Control Zones: Rectangular zone for allocation of a part of a signal on an S-scan with an accuracy of setting boundaries to 0.1mm 2 independent time-domain zones

Display of signals on the screen

(visualization): А-scan, B-scan, С-scan, D-scan, S-scan, L-scan, TOFD

Digital signal filtering: Yes

Analog Signal Filtering: Yes

Additional key + dB 6

Electrical damping of the converter

to increase the resolution 25 Ω, 50 Ω, 600 Ω

Gain Control Range 100 dB, in step 0.5, 1, 2, 6 dB

Amplifier: Broadband: 0.1-20 MHz, with the option of narrowband filters

B-Scan: Display of real weld geometry (True-to-

geometry imaging)

Using TOFD: Single-channel TOFD with recording by the

path of probe or time

Using scanners:

Any 2-axis scanners with optical encoders, scans in the memory of the device, analysis of scans in the device, and in a special analysis software

Welded joint geometry designer: Built-in helper, displaying the cutting of the seam on the scan image

Automatic calibration of ultrasonic velocity:  Yes

Automatic calibration of the control range for a given seam thickness: Yes

Frequency of recurrences: Is automatically set depending on the set parameters

Sounding impulse: Radio pulse amplitude of 50 V, with adjustable number of periods (0.5-5)

Speed range: 100 – 10 000 m/s

Scanning mode: S-scan (sector scan), L-scan (linear scan with a constant angle)


min.: 0 – 5 mm

Max.: 0 – 3200 mm (depends on the operating

modes and the converter)

In step 0.1, 1, 5, 10 mm

Automatic calibration of the delay in the prism: With V-2 calibration block from reflector, calibration of TOFD converters

Leveling of sensitive in depth: TVG, up to 10 dB / μs, with an accuracy of 0.01 dB / μs

Aligning the sensitivity at the corners while scanning: 2D correction (10 lines in depth, 20 points for corner correction each)

Adjusting the angle scan angle: From 0,3 to 2 degrees

Adjustment of working aperture: 4, 8 and 16 simultaneously working elements

Adjustment of the FR parameters of the converter: Automatic from non-volatile memory of the device

Algorithm for signal processing: Digital signal focusing using the C-SAFT / TFM method

Type of PHAs used: Any classic 16-channel PA

Standard set:

Phased Array Flaw Detector

UT-probes – 2 pcs

Cable for probes

Power supply and charger

Memory card

Calibration certificate

Operating manual


Available options:

Additional UT-probes; Additional cables for probes; Charger; Case for comfortable operating; Calibration blocks



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