|
ECHOGRAPH
1090 Technical Data Overlook
|
| Screen |
|
| Screen
type |
Colour
LC display
transmissive / transreflective
suitable for daylight
background illumination |
| Screen
size |
143.4
x 79.3 mmІ |
| Resolution |
400
x 240 pix, 256 colours |
| A-scan
size |
142
x 73.5 mmІ |
| Scale |
electronically
generated, can be switched on/off |
| Scale
division |
coarse:
10 sections horizontally, 5 sections vertically
fine: 50 sections horizontally, 25 sections vertically |
|
|
| A-scan
representation and digitizing |
|
| Image
repetition frequency |
50
Hz |
| A-scan
representation |
envelope
inverse (filled)
freeze
echo-dynamic curve
zoom across gate 1
|
| RF
representation |
across the entire adjustment range |
| Rectification |
full-wave,
positive, negative, RF |
| Suppression |
selectable
manually:
0 - 99% screen height in steps of 1% (linear) |
| Zoom
|
gate
range (gate 1) to full screen width |
| A/D
converter |
9
bit |
| Digitizing
process |
direct,
w/ A/D converters |
| Scan
rate |
80
MHz |
| Scan
error during digitising |
<
+/- 0.5% screen height at 4 MHz |
| Reaction
delay |
<
20 ms |
| |
|
| Sweep
range |
|
| Time
base range |
2.5
- 4850 mm steel |
| Sound
velocity |
100
- 15000 m/s in steps of 1 m/s |
| Delayed
time base sweep |
0
- 3000 mm in steps of 0.1 mm |
| Linearity
of time base |
+/-
0.5 % of the screen width |
| pulse
repetition frequency |
8
Hz to
1500
Hz (depending on time base range, selectable from -85% to +50% in steps
of 1%) |
| Trigger
modes
|
internally,
externally, 1st echo |
| |
|
| Transmitters |
|
| Number
of transmitters |
2
(1 resolution, 1 power) |
| Shape
of TX pulse |
Unidirectional
(negative) needle pulse |
| TX
damping |
10,
50, 220, w/o [Ohm] |
| |
|
| Amplifier
and damping |
|
| Number
of frequency ranges |
3
(LF- and RF range, broadband) |
| Adjustable
damping |
100
dB in steps of 0.1 - 1 - 2 - 6 - 12 - 20 dB |
|
|
| Echo
evaluation, determination of flaw size |
|
Indication
of echo height
(valid for both gates) |
in %
screen height (FSH)
dBrel (DAC version)
dBabs (DAC version)
mmFBH (DGS/DAC-Version) |
| Indication
of echo run time |
sound
path
depth and projection distance and/or reduced projection distance (with angled scan)
resolution 0.1 mmSt |
|
|
| Distance
Amplitude Correction (DAC version) |
|
| Number
of points |
max.
11 |
| DAC-curve
shift |
Anhebung/Absenkung:
max. ± 80 dB |
| Additional
evaluation curves |
max.
4 (up to ± 15 dB to DAC-curve) |
| |
|
| DGS
method (DGS/DAC version) |
|
| DGS
curve |
0
t 30 mmFBH snd backwall |
| Reference
reflector |
backwall
or FBH |
| Additional
evaluation curves |
max.
4 (up to ± 15 dB to DGS-curve) |
| |
|
| Monitor
gates |
|
| Number
of monitor gates |
2 |
| Response
time |
Pulse repetition frequency (max. 1500 Hz) |
| Operating
modes |
normal,
inverted, off |
| Adjustment range |
Gate
start:
0 - 3000 mm in steps of 0.1 mm
Gate width:
0 - 1000 mm in steps of 0.1 mm |
| Statistical
clearing (both monitor gates) |
0 - 250
occurrences |
| Switching
outputs go / no go (both monitor gates) |
Level: TTL (5V) ,
low active, ZA = 100 Ohm
Response accuracy: +/- 0.5% screen height
Switching hysteresis: < 0.5% screen height
hold time of the switched output: 12 ms |
| Optical
indication (both monitor gates) |
2
LED's on the front panel |
|
|
| Inputs
and outputs |
|
| USB
interface |
USB1
interface for PC connection and for printing via PC |
| VGA
output* |
for
an external monitor |
| Synchronizing
input/output* |
TTL -
level (5V), low
active,
trigger threshold 2 V approx.
trigger in/out is standard fitting |
|
|
| Miscellaneous |
|
| Measuring
systems |
selectable
mm,
inch |
| Date
and time |
Built-in
real-time clock |
| Languages |
German,
English, one additional language* can be stored in the instrument via PC
(the texts are editable by means of a PC) |
|
|
| Storage
facilities |
|
| A-scan
representation |
Current
A-scan representation on the screen by means of the freeze key |
| Data sets |
224
data sets incl. A-scans, parameters, time and text* (8 lines with 37
characters each) in the internal memory |
|
|
| Power
supply |
|
| Mains
operation |
via
mains unit
1808.501:
85 - 264 VAC, 47 - 63 Hz
Output: 10 VDC
Operating temperature: 0 °C - +50 °C
Storage temperature: -40 °C - +85 °C
Permissible humidity: 0 - 95% |
| Operating
time w/ battery supply (with full load) |
With
built-in Li-Ion battery
7 h approx. when the illumination is switched on
13 h approx. when the illumination is switched off |
| Energy
saving modus |
on/off |
| Automatic
switch-off |
with
undervoltage of mains or battery supply |
| |
|
| Mechanics |
|
| Size
(H x W x D) |
166
mm x 201 mm x 50 mm
w/o protective frame
190 mm x 217 mm x 64 mm w/ protective frame |
| Front
panel (H x W) |
147 x 178 mmІ |
| Weight |
2.0 kg
(with Li-Ion battery and protective holster)
1.6 kg (with Li-Ion battery and w/o protective holster) |
| Connectors |
2 x Lemo 1
(for probes)
PC:
USB 1
D-type sub (9 pin) for service, flaw output and external trigger
connection of mains unit: 5.5 mm DC plug |
|
* available on
request |
