Specifiche tecniche

The range of measured depth (steel), mm 6000
The range of gain control 100 dB in 0.1 dB
Temporary adjustment of gain (TCG) range up to 70 dB, with the construction of the curve with 32 control points entered manually or from the control reflectors
The control zone two independent zones, start and change the width of the entire range of sweep
Interrogator customizable, with an amplitude of 350 V, with a variable length from 12.5 to 500 ns, 12.5 ns increments
Memory configuration with A-scan (B-scans), limited the size of SD-card
control protocols (signal envelope, the measurement, the parameters of the device, date, time and name of the protocol), limited the size of SD-card
Interface Bluetooth, SD-card
Detailed specifications of Ultrasonic Flaw Detector NOVOTEST UD3701
Scan
min .: 0 – 6 μs
max .: 0 – 1000 μs
step – 25 ns

Exposition
from 0 μs to 1000 μs
step – 25 ns

MAX length of tested material
up to 6000 mm (echo mode)

Velocity range
1000 – 9999 m/s

Exposition in the prism
0 – 100 μs
step – 25 ns

Damping
50 Ohm

Input impedance
50 Ohm / 600 Ohm

Probes pulse
RF pulse with amplitude of 100, 200 or 300V,
With variable length from 25 to 500 ns,
step – 25 ns

Repetition frequency of SP
automatically controlled from 10 to 100Hz

Amplifier
Wideband 0.4-20 MHz (-6 dB)

Gain control range
115 dB, step – 1 dB

Time control gain (TCG)
range up to 70 dB, 12 dB / μs
with the construction of the curve through 16 reference points,
entered by hand or by the control reflectors

Amplitude-Distance curve
drawing through 16 points, height adjustable

Detection
positive or negative half-wave,
complete, the radio signal (at all range of scan), B-scan

Cutoff
compensated, 0 – 90% of screen height

Zone control
two independents areas, the beginning and width are change at all scan range; levels of limits are set from 0 to 100% of display height; individual logic of detection defects.

Automatic Alarm of defects
light logic of detection defect in zone for each zone individually and sound individual logic detection defect at the zone

Time intervals measurement
from 0 to a first signal in the zone or between
signals in the zones to the front or to the maximum signal

Measurement of amplitude
in dB relative to threshold level in the zone;
in dB relative to the reference signal;
in dB relative to the amplitude-distance curve.

Display
Colored, TFT 320 x 240 pixels 135 x 100 mm.

Memory
Limited of SD cards capacity

Interface
USB, Bluetooth (optional)

Connectors of probes
2 Lemo

Battery
Li-on 4-7 a / h

Battery life
up to 10 hours with the battery 4000 a / h
up to 24 hours with the battery 6600 a / h (optional)

External power supply
power supply 220V, 50Hz AC

Supply voltage
15V 2A

Operating temperature range
from -30º C to + 55 ° C

Dimensions (H x W x L)
140 mm x 210 mm x 55 mm with standard battery (4000 a / h)
140 mm x 210 mm x 85 mm with the battery 6600 a / h (optional)

Weight
1.7 kg with standard battery (4000 a / h)
2.7 kg with battery 6600 a / h (option)

Specifiche tecniche

Operating frequency range from 1 to 10,0 MHz;
Range of measured time intervals (duration of scanning) from 6 to 1000 µs;
Velocity range 1000 – 9999 m / s;
Error of measurement of time intervals not exceed ± 0,025 µs;
Maximum permissible error of measurement of the amplitudes of the signals at the receiver input in the range from 0 to 110 dB not exceed ± 0,5 dB;
Testing gain range 125 dB;
Averaging over the quantity of starts from 1 to 16;
Range of variation of temporal sensitivity adjustment (TVG) 40 dB;
Number of control points TVG 15;
Duration of the excitation pulse to the load from 0,0 to 0,5 µs;
Amplitude of the excitation pulse to the 50 Ohm load, not less 100, 200, 300;
Operating frequency range of the receiver on the level -3 dB from 1 to 10 MHz;
Deviation of the amplitudes of input signals in the range from 10 to 100% of the screen height not more than 1 dB;
Scanning from 1 to 1000 µs;
Delay of scanning from 0 to 2000 µs;
Range of measurement of time intervals from 0 to 1000 µs;
Setting a delay in the prism of the probe from 0 to 15 µs ;
Automatic signaling of defects (AFS) dual-gate;
Setting range of AFS gates from 0 to 2000 µs;
Adjusting thresholds of AFS gates from 0 to 100 % of screen height;
Detection of signals positive half-wave, radio mode;
Dimensions (W*H*L) 80*162*38 mm;
Weight, not more 250 g (without batteries);
Mean time between failures not less than – 3000 hours.