EPOCH XT
Ultrasonic Flaw Detector
• EN 12668-1 compliant
• Designed to meet IP67 requirements.
Sealed to withstand
harsh environments
• Dynamic DAC/TVG Standard
– Dynamic DAC curves
– Custom warning levels
– Meets ASME and JIS requirements
– Advanced TVG Table allows
customized TVG setups
• Multiple Battery Options – can be used
with Lithium Ion, NiMH, or C-Cells
• Host USB Port for direct printing and
storage to USB drives
• Client USB Port for PC communication
• “ PerfectSquare™ Technology”: Pulse
is electronically controlled on both the
leading and trailing edges to maximize
transducer performance and near surface resolution.
• PRF adjustable from 10 Hz to 1 kHz in
10 Hz increments. All measurements
are taken “single shot”.
• Powerful alphanumeric datalogger
– Corrosion thickness gage file types can
be set up onboard
– Simple incremental files
• Multi-color LCD display
• Lightweight – 4.7 lbs (2.1 kg)
the complete ultrasonic flaw detector
The new Panametrics-NDT EPOCH XT Ultrasonic Flaw Detector is designed for
great inspection flexibility and for use in extreme environments. It combines a
multitude of enhanced flaw detection and measurement features, a bright multicolor LCD, versatile battery options, powerful data management, and numerous
software features in a compact unit with a sealed case designed to meet IP67
requirements.
920-105A
Loaded with practical Measurement Features
The EPOCH XT incorporates many standard measurement features including a tunable
square wave pulser, selectable narrow-band and broad-band digital filters, gain range from
0 to 110 dB, peak memory and peak hold, adjustable PRF, 0.001 in. (0.01 mm) measurement resolution, and two gates with programmable alarms. In addition, the unit offers many
standard and optional application-specific software features: Dynamic DAC/TVG (Distance
Amplitude Correction/ Time Varied Gain), On-board DGS/AVG, AWS D1.1 & D1.5, Curved
Surface Correction, and GageView Pro.
• Standard tunable Square Wave pulser
with PerfectSquare™ Technology allows
the operator to adjust pulse width to
maximize transducer performance
• Standard digital receiver filtering—
broadband, several narrow band settings, and a high-pass setting.
• Five measurement displays that are fully
customizable to meet inspection needs.
Select any Gate 1 or Gate 2 measurement for each display box
• Amplitude measurement resolution of
0.25% full screen height
• Amplitude measurement from 0% to
110% full screen height
new direct-acCess keypad
• Gate measurement modes: Peak, Edge
and NEW First Peak Mode for thickness
measurement applications
• Measurement rate adjustable from
10 Hz to 1000 Hz in 10 Hz increments
on live screen
• Peak Mem and Peak Hold functions in
all rectified modes. Peak Hold also functions in RF mode
• New Grid Display Modes
– Standard 1-10
– Soundpath
– Leg mode for angle beam inspection
– S electable 100% or 110% vertical
display
• Logical color-coded key organization
• Direct access to important instrument
set-up parameters
• Direct entry of alphanumeric characters
• Five customizable function keys allow
the operator to quickly select preset
values
• Leg indicator and measurement mode
indicator for each gate
• Available in English, International Symbols, Japanese or Chinese
• Alarm indicator for each gate
built for Tough Environments
The rugged EPOCH XT is designed to meet
the requirements of IP67. The instrument
can withstand the rigors of field operation
in harsh environments from offshore to
deserts.
• Sealed to IP67 with BNC connectors
• Wide operating temperature ranges:
– Lithium Ion: -10° to 50°C
(14° to 122°F)
– Nickel Metal Hydride: 0° to 50°C
(32° to 122°F)
– Alkaline: -10° to 50°C
(14° to 122°F)
– Recharge temperature: 0 to 40°C
(32° to 122°F)
Multiple Battery Options
The EPOCH XT offers three battery
options that provide long-lasting battery
operating time depending on display
brightness and battery selection.
• Internal, rechargeable:
NiMH, Lithium ion or
Alkaline C-cells
• Optional external “smart” battery
charger
• Hand strap can be mounted for left or
right hand operation
• Easy-to-use rubberized Pipe Stand that
can be folded in or removed
• Durable instrument-mounted D-rings for
chest harness use
• Sealed battery compartment—no tools
required for battery replacement
• Sealed I/O door for AC adaptor and USB
connections
• LEMO connectors available; tethered
rubber seal provided. (This configuration
does not meet IP67 requirements.)
Extensive documentation and data management capabilities
GageView Pro
Data logger and Documentation
The optional GageView Pro Interface
Program helps manage and format stored
inspection data. Data can be printed
or easily copied and pasted into word
processing files and spreadsheets for
further reporting needs. The GageView Pro
Interface Program also allows the creation
of a customized database of identifier (ID)
strings that can be uploaded to the
EPOCH XT. New features include live
screen capture mode, database backup/
restore, and multi-view windows. The
Interface Program is fully compatible with
the EPOCH 4, 4B, 4PLUS, LT, and XT.
The EPOCH XT’s sophisticated datalogger is designed for ease of use while providing a wide
range of features for many flaw detection and thickness gaging applications. Employing both
EPOCH 4 series and the Panametrics-NDT corrosion thickness gage technologies, the
EPOCH XT is ready to meet your inspection and thickness measurement survey requirements.
• Export thickness or amplitude data saved
on the Epoch to Excel, Word, or similar
programs
The EPOCH XT also offers
onboard report generation.
Operators may set up custom
report headers and print
directly from the instrument
using the USB Host Port.
• Create, format, and manage test
databases
• Import real-time screen snapshots
File types to meet your needs:
• EPOCH 4 type files
• Sequential
• 2D, 2D EPRI
• 2D custom point
• 3D
• Boiler
• Import and export setups between the
Epoch and a PC
• Create a custom DGS probe library
• Upgrade EPOCH operating software
dual usb ports
• USB Client Port for high-speed data
transfer to computer
• USB Host Port to interface directly to
printers with USB ports and back up
critical inspection data to USB drives
• USB connections and AC input adaptors
are sealed behind a thumb-screw accessible door
Hardware input/output
port option
• Optional 16 Pin HW I/O Port
– Alarm outputs
– Trigger Input/Output
•16 Pin I/O cable available
– PN: EPXT-C-16HW-6 (6 feet)
– PN: EPXT-C-16HW-20 (20 feet)
powerful software capabilities
STANDARD Software
Software options
Dynamic DAC/TVG: Calculates signal
AWS D1.1 & D1.5
amplitude as a percentage or dB level
compared to a DAC curve or a reference
echo amplitude fixed with Time Varied
Gain. DAC versions include ASME, ASME 3,
JIS, and Custom. Contains several key
features including: dynamically adjustable
DAC curves, switchable DAC and TVG
views, 80%-20% DAC/TVG, a flexible TVG
table, and custom DAC warning curves.
Provides a dynamic reflector “indication
rating” for various AWS weld inspection
applications. This allows for more
efficient inspection by eliminating manual
calculations. (PN: EPXT-AWS)
CSC (Curved Surface Correction)
Corrects sound path information when
using an angle beam transducer to
circumferentially inspect a curved surface.
DGS/AVG
Flaw sizing technique that permits echo
signals to be evaluated using a DGS/AVG
diagram associated with a particular type
of probe and material. The DGS/AVG
diagram shows the relationship among
echo height, flaw size, and distance from
the transducer. (PN: EPXT-DGS-AVG)
EPOCH XT SPECIFICATIONS*
GENERAL
RECEIVER
EN12668-1 Compliant
Gain: 0 to 110 dB – Two user-defined gain
step adjustments and presets above function
keys.
Weight: 4.7lbs (2.1kg) with Li Battery
Dimensions: 10.9” H x 5.9” W x 2” D (at
hand), 2.8” (at display); 277 mm x 150 mm x
51 mm (at hand), 71 mm (at display)
Keypad: English, International, Japanese or
Chinese
Languages: English, Spanish, French,
German, Italian, Japanese, Chinese,
Russian, Korean, Norwegian, Swedish.
Custom languages available.
Transducer Connections: BNC or Number 1
Lemo (BNC rated to IP67)
Battery: Choice of Lithium Ion, Nickel Metal
Hydride, and Alkaline C-Cells
Battery Operating Time:
Lithium Ion: 9-10 Hours
NiMH: 5 Hours
C-Cells: 1-2 Hours
Power Requirements: AC Mains:
100-120 VAC, 200-240 VAC, 50-60 Hz
ENVIRONMENTAL RATINGS
IP67 Designed to meet the requirements of
Environmental Ingress Protection Rating (with
BNC connectors only)**
Total Instrument Bandwidth:
0.2 – 26.5 MHz @ -3 dB
Digital Filter Settings:
• 0.2 – 10.0 MHz
• 0.2 – 1.2 MHz • 0.5 – 4.0 MHz
• 1.5 – 8.5 MHz
• 2.0 – 21.5 MHz
• 5.0 – 15.0 MHz
• 8.0 – 26.5 MHz
X-Value Correction for distance from Beam
Index Point to front of transducer.
GATES
Two Fully Independent Gates for
Echo Height and Time-Of-Flight.
Gate Start: Variable over entire displayed range
Gate Width: Variable from Gate Start to end
of displayed range
Gate Height: Variable from 2 to 95% Full
Screen Height
Rectification: Fullwave, Positive Halfwave,
Negative Halfwave, RF
Alarms: Positive and Negative Thresholds;
Minimum Depth on Gate 1 and Gate 2
System Linearity: Horizontal: +/- 0.2% FSW
Vertical: 0.25% FSH, Amplifier Accuracy
+/- 1dB
Zoom: Displayed Range is Gate 1 Width
Reject: 0 to 80% full screen height with
visual warning
CALIBRATION
Automated Distance Calibration for Velocity
and Zero Offset
Test Modes: Pulse Echo, Dual, or Through
Transmission
Units: Millimeters, Inches, or Microseconds
Range: 0.073 to 527” (1.86 to 13,400 mm)
INSTRUMENT INPUTS/OUTPUTS
USB Client Port: For communication with
GageView Pro
USB Host Port: Allows direct printing to any
PCL5 compatible Laser or Inkjet printer as
well as data storage on USB drives.
LEMO Hardware I/O (optional):
Alarm Outputs, Trigger In/Out
DATA STORAGE
Up to 10,000 IDs with Waveforms, Measurements, and Setup Parameters
Velocity: 0.025 to 0.6000 in/µsec (635 to
15240 m/S)
WARRANTY
Color Liquid Crystal display with 60 Hz update,
user-selectable color schemes and brightness,
and split screen and full screen modes.
Zero Offset: 0 to 4950 µsec
standard inclusions
Display Dimensions:
320 Pixels (W) x 240 Pixels (H) Color
4.313” W (110 mm) x 3.125” H (79 mm)
Refracted Angle: 10° to 85° in 0.1° resolution
Baseline Break Mode: All zero cross points
on the RF waveform are shown as zero points
in Fullwave mode.
Types: Thickness, Soundpath, Projection,
Depth, Amplitude, Time-Of-Flight for both
Gate 1 and Gate 2.
Amplitude Grid Modes: 100% or 110%
Amplitude Display
Echo-To-Echo: Standard.
DISPLAY
Time Base Grid Modes: Standard 0 to 10
division, Soundpath Mode divides Range into
5 equal sections with grid lines, Leg Mode
displays Soundpath Legs as grid lines
PULSER
Tunable Square Wave Pulser
PRF: User Selectable or Auto from 10 Hz to
1000 Hz
Energy Settings: 50 to 475 V in 25 V increments
Pulse Width: Adjustable from 30 to 10,000 ns
(0.1 MHz) with PerfectSquare™ Technology
Damping: 50, 63, 150, 400 Ohms
Display Delay:
-2.323” to 500” (-59 mm to 12700 mm)
MEASUREMENTS
Five Measurement Display Locations: User
selects up to five measurements from either
gate to display on the live screen.
DAC/TVG Standard: Up to 50 points captured, ASME, ASME III, JIS, 80-20%, CUSTOM
DAC, and TVG Table. 110dB Dynamic Range,
100dB per usec adjustment, full gain, range,
and delay adjustments during setup, view
switchable between DAC/TVG.
One year limited warranty.
EPOCH XT Base Instrument Includes:
- EP4/MCA: AC Adaptor
- EPXT-TC: Transport Case
- EPXT-MAN: Instrument Operating Manual
- EPXT-HS: Bi-Directional Hand Strap
- EPXT-PS: Rubber Coated Stainless Steel Pipe
Stand
- Lithium Ion or Nickel Metal Hydride Battery
- Cap(s) for transducer connectors
OPTIONAL ACCESSORIES
- EPXT-EC: External Smart Battery Charger
- EP4/CH: Chest Harness
- EPXT-RPC: Rubber Protective Case
- EPXT-DP: Clear Display Protectors (10)
CUSTOM DAC with up to three warning
curves from +10 dB to -24 dB
- EPXT-C-16HW-6: 16 pin Hardware I/O
cable with diagram
TVG Table setup for advanced Time Varied
Gain applications. Also allows TVG setups to
be built from DGS/AVG diagrams.
- EPXT-HWIO-B, L: Hardware I/O option
Amplitude Measurement: 0 to 110% full
screen height with 0.25% resolution
Curved Surface Correction for Angle Beam
measurements standard
- EPXT-SEAL-KIT: Set of O-Rings and membrane
- EPXT-EW: Extended Warranty for one
additional year.
SOFTWARE OPTIONS
DGS/AVG (PN: EPXT-DGS-AVG)
AWS D1.1/D1.5 (PN: EPXT-AWS)
GAGEVIEW PRO (PN: GAGEVIEWPRO-KITUSB)
Printed 7/06 • Copyright © 2006 by Olympus NDT. All rights reserved.
Olympus and the Olympus logo are registered trademarks of Olympus Corporation.
Innovation in NDT is a trademark of Olympus NDT Corporation.
Panametrics, Panametrics-NDT, and the Panametrics-NDT logo are trademarks of Panametrics, Inc.
Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective owners.
  *All specifications are subject to change without notice.
** The EPOCH XT has been designed to meet the requirements of IP67 to ensure that it is suitable for use in harsh environments. The customer replaceable
instrument gaskets for the battery door and I/O access door must be properly maintained to ensure the effective sealing over the life of the product.
Olympus NDT does not recommend that an EPOCH XT be submerged for any reason as it is not intended underwater use. Instruments that exhibit damage
due to submersion will not be covered under the instrument’s limited warranty.
Olympus NDT
48 Woerd Ave, Waltham, MA U.S.A.
TEL 781-419-3900 • 800 225-8330 in North America
e-mail: info@olympusNDT.com
www.olympusndt.com
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