Technical Data ECHOGRAPH 1095
DISPLAY
Type of display
Size of display
Resolution
Size of A-scan
Scaling
Scale division
Image repetition frequency
Colour TFT- LCD, transmissive,
with LED display illumination
152.4 mm x 91.44 mm
800 x 480 pix, 256 from 262144 colours
152 mm x 76.2 mm
Electronically generated
Coarse: 10-fold horizontal, 5-fold vertical
Fine subdivision: 25-fold vertical
60 Hz
A-SCAN REPRESENTATION AND DIGITIZING
Image refresh frequency
60 Hz
A-scan representation
- Normal image (envelope or filled)
- Frozen
- Zoom across gate 1 or gate 2
RF representation
Across the entire time-base range
Rectification
Positive, negative, full-wave, without rectification (RF)
Suppression
Merely adjustable: 0 - 99 % screen height in
steps of 1% (linear)
Zoom
Gate range (gate 1/2) to full screen (grid) width
A/D converter
16 bit
Digitising method
direct, with A/D converter
Sampling rate
100 MHz
Digitisation sampling error
< +/- 0.5% screen height
Response time
< 16.7 ms
MEASUREMENT RANGES
Time base range
Time base range with TOFD
and B-Scan
Time base range with signal
averaging
Sound velocity
Probe delay
Pulse shift
Linearity of time base
Pulse repetition frequency
(PRF)
Trigger
DAC (option)
Encoder range
TRANSMITTER
Type of transmitters
Shape of transmitter pulse
Transmitter setting
Specification according to
EN 12668-1: td, tr, Vr, V50
SP = Spike Pulser
SWP = Square Wave Pulser
SP, 320 V
SP, 80 V
SWP, 80 V, 100 ns
SWP, 80 V, 3000 ns
SWP, 320 V, 50 ns
SWP, 320 V, 850 ns
Transmitter pulse voltage V50
Pulse length td
Pulse rise time tr
Max Volt after the pulse Vr
Frequency spectrum
Effective output impedance
Transmitter damping
2
0.5 – 17760 mm steel
0.5 – 343.4 mm steel
0.5 – 1000.5 mm steel
200 – 15000 m/s in steps of 1 m/s
0 – 650 µs
0 – 3000 mm in steps of 0.1 mm
+/- 0.5 % of screen width
Automatic optimization
10 – 700 Hz (Auto high and Auto low),
manual (depending on the transmitter)
10 – 5000 Hz [Spike Pulser],
10 – 1000 Hz [Square Wave Pulser]
internal, 1st echo, external, external 1st echo
Min. distance of the DAC support points:
0.3 mm steel
3000 mm max.
Square Wave Pulser, Spike Pulser
Uni-directional (negative) Square Wave Pulse
Legend:
td | tr | Vr | V50
36 ns ±10% | < 10 ns | < 12.8 V | 320 V ±10%
57 ns ±10% | < 4 ns | < 3.2 V | 80 V ± 10%
125 ns ±10 % | < 5 ns | < 2.4 V | 80 V ± 10%
3000 ns ±10 % | < 5 ns | < 2.4 V | 80 V ± 10%
66 ns ±10 % | < 5 ns | < 12.8 V | 320 V ± 10%
850 ns ±10 % | < 5 ns | < 12.8 V | 320 V ± 10%
60 V – 320 V in steps of 1 V
Min.: 31 ns
Max.: 5000 ns (manual, auto depending on the
probe)
Min.: 3 ns, Max.: 15 ns
Vr < 4 %
See below: additional data according to
EN 12668-1
<4Ω
50, 75, 220, 1000* [Ω]
*w/o active damping (input resistance
1000 Ohm approx.)
AMPLIFIER and ATTENUATOR
Number of frequency ranges
Nominal frequency ranges
(- 3 dB)
Response
Temporal resolution
Receiver dynamics
Equivalent input impedance
Equivalent noise level
Linearity of vertical display
Dead time after transmitter
pulse
Adjustable attenuation
Cross-talk attenuation
8 (low pass LP, 2 MHz, 4 MHz, 5 MHz, broadband BB, 10 MHz, high pass HP, 0.8 MHz –
8.0 MHz)
LP:
0.20 – 2.03 MHz
2 MHz:
1.03 – 3.03 MHz
4 MHz:
2.30 – 7.00 MHz
5 MHz:
2.10 – 8.10 MHz
BB:
1.30 – 14.00 MHz
10 MHz:
4.67 – 16.67 MHz
HP:
4.9 – 22.50 MHz
0.8 - 8 MHz:
0.87 – 7.8 MHz
LP:
fo = 0.64 MHz +/- 5%
Δf = 1.83 MHz +/- 10%
2 MHz:
fo = 1.77 MHz +/- 5%
Δf = 2.00 MHz +/- 10%
4 MHz:
fo = 4.01 MHz +/- 5%
Δf = 4.70 MHz +/- 10%
5 MHz:
fo = 4.1 MHz +/- 5%
Δf = 6.3 MHz +/- 10%
BB:
fo = 4.42 MHz +/- 5%
Δf = 12.70 MHz +/- 10%
10 MHz:
fo = 9.2 MHz +/- 5%
Δf = 10.30 MHz +/- 10%
HP:
fo = 10.38 MHz +/- 5%
Δf = 17.30 MHz +/- 10%
0.8 – 8 MHz: fo = 2.6 MHz +/- 5%,
Δf = 6.93 MHz +/- 10%
tA1 = <110 ns +/-10 % at 4.4 MHz (broadband
setting BB)
tA1 = <390 ns +/-10 % at 4.4 MHz (broadband
setting BB)
LP:
102 dB
2 MHz:
105 dB
4 MHz:
106 dB
5 MHz:
106 dB
BB:
101 dB
10 MHz:
102 dB
HP:
101 dB
0.8 – 8 MHz: 103 dB
TR Mode:
Rmax = 415 Ω, Rmin = 455 Ω,
Cmax = 129 pF, Cmin = 134 pF (IR)
IR Mode:
Rmax = 120 Ω, Rmin = 129 Ω,
Cmax = 148 pF, Cmin = 147 pF
< 80 nV/√
Nominal value ± 2% screen height
<= 1 µs
[measured with the following settings:
Gain: 50 dB, damping: 50 Ohm,
pulse type: spike, volt pulser: 320 V]
Dynamics range 110 dB
in steps of 0.1 / 1 / 6 / 12 dB
> 80 dB
3
MEASURED VALUES
Output of echo amplitude is
stated in...
Output of echo transit time is
stated in...
Output of wall thickness
MONITOR GATES
Number of gates
Response time
Measurement modes
Operation modes
Range
Statistical clearing
Switching outputs
Optical indication
Acoustical flaw alarm
4
% screen height
dBabs in dBµV
DGS/DAC/TCG/JIS/AWS: dBrel (relative
to reference echo (line) in dB)
AWS: D = Rating in dB
C = Attenuation
B = Reference
A = Indication
(following the standard AWS
D1.1/D1.1M, only for gate 1)
JIS:
class (follow the standard JIS Z30602002, only for gate 1)
DGS: mmFBH in equivalent flat bottom hole
size
mm sound path (with straight probes)
mm depth and projection distance or reduced
projection distance (with angle incidence)
Resolution: 0.1 mm steel
Distance between trigger points in gate 1
and 2 (the trigger point can be selected from
either edge or peak, with RF representation
also zero crossing after first edge can be selected). Optional min. or max. wall thickness or
sound velocity.
Resolution 0.01 mm steel, averaging with RF
representation can be selected either from 1 to
16 measurements.
3
By pulse repetition frequency
Peak, edge, zero crossing
Normal or inverted
Gate start: 0 – 20000 mm in steps of 0.1 mm
Gate width: 0 – 3000 mm in steps of 0.1 mm
(independent gates, controlled by skip distance, gate 2 position follows gate 1)
0 – 250 events
Level: TTL (5V) , low active, ZA = 100 Ohm
Response accuracy: +/- 0.5% screen height
Switching hysteresis: < 0.5% screen height
Holding time of the switching output: 0.5/PRF
with internal triggering, 1 ms with external triggering
3 LEDs on the front panel
Duration is 50 ms approx. (re-fresh with PRF)
INPUTS and OUTPUTS
Probe connection
USB interface
2 x Lemo 1
LEMO-0B, 4 Pin (optionally: adapter cable with
USB Type A)
Flaw outputs
LEMO-1B, 10 Pin: TTL - level (5 V), low active,
trigger level 2 V approx.
Synchronising input and output LEMO-1B, 10 Pin: TTL - level (5 V), low active,
trigger level 2 V approx.
Max. PRF = 5 kHz , min. pulse length = 2 µs,
delay between trigger and transmitter
pulse: 50.8 µs approx.,
max. jitter between trigger and transmitter
pulse: +/- 10 ns
Encoder
LEMO-1B , (I/O), 10 pin: square or pulse signal:
TTL level (5 V), power supply via ECHOGRAPH 1095 (5 V, max. 200 mA)
External monitor
Via standard VGA connector
(D-sub-HD 15 pin)
Connector for interface box
LEMO 1B, 14 pin
Digital inputs
LEMO 1B, (D/A), 14 pin, TTL level (5 V), low:
active, trigger threshold 2 V approx.
Analog outputs
LEMO 1B, (D/A), 14 pin: 2.5 Vpo, signal for SH
and wall thickness in gates 1, 2, 3
Impedance: 100.5 Ohm
Linearity: error < 4%
∆fg (fgu - fgl) = 21 MHz,
fgo = √(fgu x fgl) = 23.2 MHz
0 dB to 92 dB ==> noise level < 1V
Monitor position: no influence on the output
signal
Influence of the pulse shape: error < 4% (at
80% SH)
Min. hold time: 2/(pulse repetition frequency)
MISCELLANEOUS
Linear measuring system
Date and time
Languages
STORAGE
Memory card
Memory size
Report file
Screenshot
Types of report
Data recorder
Selectable mm or Inch
Built-in real time clock
DE, ES, FR, HU, IT, JP, NL, PL, RO, RU, SV,
EN, CN, CZ
The language of the user interface may be selected by the operator.
SD card slot
8 GB, SD card
CSV format in ASCII
BMP format
Individual report, report of measurem. series,
corrosion testing (matrix memory), reference
up to 10,000 readings plus important parameters per file, each with assigned A-scan bitmap
file (optionally)
5
POWER SUPPLY
Mains operation
Via power supply unit (input: 100 – 240 V,
50/60 Hz, output: 12 V, 4 A
Permissible operat. temperature: 0 °C to 50 °C
Battery operation
Built-in (replaceable) Li-Ion batteries
Operating time (battery opera- 9 h (with standard settings)
tion)
Data of rechargeable batteries 7.6 Ah – 7.4 V - 56 Wh
Charging method for batteries internally with charger unit (optional external
charger unit available)
Indication of battery capacity 4-stage display symbol, about 15 minutes before low voltage condition (battery operation),
the blue LED will start flashing
Automatic voltage cut-off
If there is a low voltage condition both with
mains or battery operation
Stability at voltage changes
< ±1% screen height and < ±0.5 % screen
width (with voltage variations within the permissible range)
PERMISSIBLE AMBIENT
CONDITIONS
Permissible operating temper- -10 to +50 °C / -20 to +60 °C
ature (with battery) / storage
Dust and humidity
protection class IP65
MECHANICS
Size (HxWxD)
Weight
6
138 mm x 249 mm x 52 mm
w/o rubber holster
149 mm x 262 mm x 54 mm
with rubber holster
2.0 kg (with Li-Ion battery and protective
holster)
ADDITIONAL DATA ACCORDING TO EN 12668-1
Transmitter (definitions)
Linearity of vertical display
Attenuator
+2
+1
0
-2
-4
-6
-10
-12
-18
-24
nominal value
permissible
echo height [%] echo height [%]
100
90
80
64
50
40
25
20
10
5
98 – 100
88 – 92
80
62 – 66
48 – 52
38 – 42
23 – 27
18 – 22
8 – 12
3 - 7
Stability (after warm-up period) Echo height < +/- 2%
at temperature changes
Echo position < +/- 0.5% screen width per
10 °C temperature change
Display diffuseness (jitter of
Echo height max. 1% screen height, echo pothe screen display)
sition max. +/- 0.2% of screen width
Accuracy of the calibrated at- a) Deviation of fine adjustment:
tenuator
accumulated max. +/- 0.5 dB
within a 20 dB interval
b) Deviation of coarse adjustment:
accumulated max. +/- 1 dB
within a 60 dB interval
REVISION HSITORY
Rev. A
initial version
Rev. B
digital switching outputs, trigger in/out, encoder
Rev. C
analog outputs, digital inputs
7
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