Fluke TNT 12000 DoseMate Manual de usuario
TNT 12000 DoseMate English Quick
Reference Guide
Page 3
TNT 12000 DoseMate
Dosimeter Detector
Quick Reference Guide
Introduction
The TNT 12000 DoseMate makes accurate dose and dose rate
measurements quickly. Figure 1 and Table 1 shows the typical TNT
12000 components used for these measurements.
1
2
3
4
5
grk01.eps
Figure 1. TNT 12000 Components
PN 4066000
June 2011, Rev. 1
© 2011 Fluke Corporation. All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
TNT 12000 DoseMate English Quick
Reference Guide
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Table 1. TNT 12000 Components
Item Description
TNT 12000WD X-Ray Test Display
TNT 12000 DoseMate
150 cc Ion Chamber
15 cc Ion Chamber
TRIAX Ion Chamber Cable
Setup for a Measurement
WX Warning
To prevent electric shock and damage to the ion chamber,
turn off the DoseMate before connecting or disconnecting
the ion chamber and triaxial cable. Although current
limited, the center pin and inner shield shell operates at
300 volts above the outer shell.
Note
Be sure the DoseMate and the X-Ray Test display are charged
before use. See the How to Charge the Battery section in the
TNT 12000 Users Manual.
TNT 12000 DoseMate English Quick
Reference Guide
Page 5
Connect the Ion Chamber
Remove the dust caps and connect the DoseMate to an ion chamber as
shown in Figure 2.
TNT 12000
DoseMate
ION
Chamber
Triax ION
Chamber Cable
ION
Chamber
Input
mAs Input
TNT 12000
DoseMate W/mAs
ION Chamber
Input
grk02.eps
Figure 2. Ion Chamber Connection
Set the Ion Chamber on a stable surface in the center of the X-ray beam.
TNT 12000 DoseMate English Quick
Reference Guide
Page 6
Power On
Turn on the DoesMate and the display. The display looks for a detector
and makes a connection when found. The connection can be through a
USB cable or wireless. The MEASUREMENT screen in Figure 3 will
show in the display.
Note
If the DoseMate has an integrated mAs detector, then a
connection screen shows before the measurement screen. Use
or to highlight the DoseMate and then use or to
highlight the Connect button. Push to connect and
show the Measurement screen in Figure 3.
grk03.png
Figure 3. Measurement Screen
To learn more, see the How to Setup Up the System in the TNT 12000
Users Manual.
TNT 12000 DoseMate English Quick
Reference Guide
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Select an Ion Chamber
To set an ion chamber and its calibration factor in to the DoseMate:
1. Push or to highlight the IC button in the MEASUREMENT
screen.
2. Push to show the ION CHAMBER SETUP screen in Figure 4
in the display.
fct241.png
Figure 4. Ion Chamber Setup Screen
3. Push or to highlight an ion chamber ID in the left frame and
push . The cursor moves to the right frame.
4. Push or to highlight a calibration factor and push . The
cursor moves to the Continue button.
5. Push to return to the MEASUREMENT screen.
To learn more about ion chambers and calibration factors, see the How to
Use the Dosimeter section in the TNT 12000 Users Manual.
TNT 12000 DoseMate English Quick
Reference Guide
Page 8
Set the Measurement Mode
To set the measurement mode:
1. Push or to highlight the Mode button at the bottom of the
measurement screen. Push to show the MODE SETUP
screen in Figure 5.
fct250.png
Figure 5. Mode Setup Screen
2. Push or to highlight the Mode combo box and push to
open the dropdown list.
3. Push or to highlight the Dose mode and push .
4. Push to highlight the Automatic Reset checkbox and push
to check the box.
5. Push to highlight the Continue button and push to return
to the MEASUREMENT screen.
To learn more about measurement modes, see the Measurement Mode
Selection section in the TNT 12000 Users Manual.
TNT 12000 DoseMate English Quick
Reference Guide
Page 9
Set the Measurement Units
To set the measurement units:
1. Push or to highlight the Units button at the bottom of the
measurement screen. Push to show the UNITS SETUP
screen in Figure 6.
fct251.png
Figure 6. Units Setup Screen
2. Push or to highlight the Dose combo box and push to
open the dropdown list
3. Push or to highlight the dose units (R or Gy) and push .
4. Push to highlight the Save button and push to return to
the measurement screen.
TNT 12000 DoseMate English Quick
Reference Guide
Page 10
Make a Measurement
Note
Keep the DoseMate out of the radiation field. Only the ion
chamber must be exposed to the radiation.
1. Set the X-ray machine for a typical X-ray technique.
2. After the “Resetting … Please Wait…” message is removed from
the display, make a radiographic X-ray exposure.
3. The DoseMate beeps when an exposure is sensed and shows the
measurement results in the display.
The DoseMate shows the “Resetting … Please Wait…” message at the
bottom of the measurement screen while it prepares for a subsequent
X-ray exposure. The DoseMate can only make a measurement when this
message is not shown in the display.
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