Olympus 45MG Manuel utilisateur
45MG — Getting Started Guide 1
Intended Use
The 45MG is designed to measure thicknesses of industrial and commercial materials. Do not use the
45MG for any purpose other than its intended use.
Instruction Manual
Before use, thoroughly review the 45MG User’s Manual (P/N: DMTA-10022-01EN), and use the
product as instructed. The User’s Manual contains essential information on how to use this Olympus
product safely and effectively. The 45MG User’s Manual is available on the documentation CD (P/N:
45MG-MAN-CD [U8147024]) that is shipped with the 45MG, or can be downloaded at
www.olympus-ims.com. Keep the documentation CD in a safe, accessible location.
Safety Signal Words
Indicates an imminently hazardous situation calling attention to a procedure, practice, or the like,
which, if not correctly performed or adhered to, could result in death or serious personal injury.
Indicates a potentially hazardous situation calling attention to a procedure, practice, or the like, which,
if not correctly performed or adhered to, could result in death or serious personal injury.
Indicates a potentially hazardous situation calling attention to a procedure, practice, or the like, which,
if not correctly performed or adhered to, could result in minor or moderate personal injury, material
damage, particularly to the product, destruction of part or all of the product, or loss of data.
45MG
Getting Started Guide
2 45MG —Getting Started Guide
Connections
USB connector
Transducer
MicroSD memory
card
USB communication
connector
Transmit/Receive
transducer connector 2
Transmit/Receive
transducer connector 1
To avoid the risk of electric shock, do not touch the inner conductors of the T/R 1 and T/R 2
connectors. Up to 200 V may be present on the inner conductor.
45MG — Getting Started Guide 3
Do not replace the batteries while the instrument is turned on. Dispose of used batteries
promptly. Keep batteries out of reach of children. The batteries used in this device may present a
risk of fire or chemical burn if mistreated. Do not disassemble, heat above 50 °C, or incinerate the
batteries.
To replace the batteries
1. Ensure that the power to the 45MG is
turned off.
2. Disconnect any other cables
connected to the 45MG.
3. Remove the optional protective
rubber boot, if installed.
4. Turn the battery door lock half a turn
counterclockwise to the unlock
position.
5. Remove the battery compartment
cover.
6. Remove the batteries.
7. Insert three new batteries into the
battery compartment, making sure
to observe the correct polarity for
each battery.
8. Ensure that the gasket inside the
battery compartment cover is clean
and in good condition.
9. Reinstall the battery compartment cover on the back of the instrument, push down on the
bottom of the battery door, and then turn the battery door lock half a turn clockwise to the
lock position.
MicroSD memory
card slot Battery door
Battery compartment
Three AA-size Batteries
4 45MG —Getting Started Guide
10. Reinstall the optional protective rubber boot, if required.
11. Press to turn on the 45MG instrument.
12. To answer the question appearing at the bottom of the screen:
Select Alkaline when using three AA-size alkaline batteries.
OR
Select NiMH when using three AA-size nickel-metal hybrid (NiMH) batteries.
OR
Select Lithium when using three AA-size lithium batteries.
13. Press [ENTER].
You can also operate the 45MG using three AA-size NiMH rechargeable batteries. The 45MG does not
recharge NiMH batteries. The batteries must be recharged using a commercially available external
battery charger (not included).
To Start Using a D79X Dual Element Transducer
1. Plug the transducer into the transducer connectors located on the top of the instrument.
2. Press to turn on the instrument.
3. Wipe the couplant off the transducer tip, and then press [2nd F], [CAL ZERO] (Do ZERO).
The 45MG is now ready to take thickness readings using the default velocity for the test block
supplied with the instrument.
To Start Using a Single Element Transducer (Optional)
The 45MG comes with factory default settings for the transducers purchased. The default settings use
an approximate sound velocity for the stainless steel test block provided with the instrument.
1. Connect the transducer to the transducer cable, and then plug the cable into the T/R 1 connector
on the top of the instrument.
2. Press to turn on the instrument.
3. Press [2nd F], [FREEZE] (XDCR RECALL).
4. In the menu, select DEFAULT SINGLE ELEMENT, or any custom single element.
5. In the SELECT SETUP list of the DEFAULT SINGLE ELEMENT screen, highlight the setup that
corresponds to the transducer being used, and then press [ENTER].
6. In the ACTIVE screen, if needed, edit the parameters to match the characteristics of the transducer
being used, and then press [MEAS].
The 45MG is now ready to take thickness readings using the default velocity for the test block
supplied with the instrument.
To Calibrate the Instrument
The 45MG must be calibrated to ensure the thickness measurement accuracy for the transducer and
the tested material being used. This is achieved by performing the velocity and zero calibrations on
two known thicknesses of a test block (such as a five-step test block, as shown below) made out of the
same material as the inspected parts.
1. Place couplant on the surface of the thick sample of the test block.
45MG — Getting Started Guide 5
2. Couple the transducer on the thick sample of the test block.
3. Press [CAL VEL].
4. Once the thickness reading is stable, press [ENTER].
5. Use the arrow keys to enter the known thickness.
6. Press [CAL ZERO].
7. Place couplant on the surface of the thin sample of the test block.
8. Couple the transducer on the thin sample of the test block.
9. Once the thickness reading is stable, press [ENTER].
10. Use the arrow keys to enter the known thickness.
11. Press [MEAS].
Note: For more information about calibration, and about
selecting the correct transducer for a specific application, refer to the 45MG Ultrasonic Thickness
Gage — User’s Manual (P/N: DMTA-10022-01EN), or contact Olympus.
Keypad Functions
The 45MG comes with either an English or international keypad. The functions on both keypads are
identical. Many keys on the international keypad contain pictograms instead of text labels. In the
45MG user documentation, keypad keys are referred to using the English label, displayed in bold and
within brackets (ex.: [FILE]).
Each key is labelled according to its primary function. The area immediately above certain keys
indicates a secondary key function. The [], [], [], [], and [ENTER] keys are used to select menu
items and screen parameters, and to change parameter values. Use the [MEAS] key at any time to
return to the measurement screen.
Transducer on a
thick sample
Transducer on a
thin sample
English keypad International keypad
6 45MG —Getting Started Guide
Measurement Screen (No Waveform Option)
Measurement Screen (Waveform Option)
Freeze indicator
Gain level
Thickness value
Previous thickness
Units
Alarm indicator
Mode (MIN/MAX)
and value
Power indicator
(battery, USB, or AC)
MicroSD memory card
indicator
Mode and update rate
ID bar
(with Datalogger option)
Zoom indicator
Rectification indicator
Echo detection marker
Delay value
Mode (MIN/MAX)
and value Freeze indicator
Alarm indicator
Gain level
Range value
[WAVE ADJ] parameter
Power indicator
(battery, USB, or AC)
MicroSD memory card
indicator
Mode and update rate
ID bar
(with Datalogger option)
Previous thickness
Thickness value
Units
45MG — Getting Started Guide 7
Instrument Hardware Components
Protective rubber
boot (optional)
Stand
(optional)
Strap rings (at the four
corners of optional
rubber boot)
Color display
Keypad
I/O door protecting USB
connector
Transducer connectors
Power key
45MG — Getting Started Guide
Olympus NDT, 48 Woerd Avenue, Waltham, MA 02453, USA
www.olympus-ims.com
Printed in the United Stated of America • © 2012 by Olympus. All rights reserved.
All brands are trademarks or registered trademarks of their respective owners and third party
entities.
DMTA-10024-01EN [U8778520] Rev. A, September 2012 Printed on Rolland Hitech50, which
contains 50 % post-consumer fiber.
50%
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