STEP OD-02 Manual
Survey meter
OD-02
OD-02 Hx
STEP Sensortechnik und Elektronik Pockau GmbH
Siedlun strasse 5-7
D-09509 Pockau
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Table of contents
1.
OD-02 Product characteristics / scope of services ....................... 4
2.
Safety instructions .......................................................................... 5
3.
Components .................................................................................... 6
3.1.
Control elements .............................................................................................................. 7
3.1.1.
Meter switch (15) .................................................................................................... 8
3.1.2.
Zero adjuster (16) .................................................................................................... 8
3.1.3.
“ ight / Reset Dose / Reset Max Dose rate” button (12) ........................................ 8
3.1.4.
T-button “History-Table / switch dose, max dose rate” (13) .................................. 8
3.1.5.
External power supply (option) ............................................................................. 10
3.1.6.
USB interface ........................................................................................................ 10
4.
Measurin principle ....................................................................... 11
4.1.
Electrical zero adjustment ............................................................................................. 12
4.2.
Calculated air pressure correction ................................................................................. 14
5.
Measurement preparation and performance ............................... 15
5.1.
Preselection of the measuring variables ........................................................................ 15
5.2.
Dose rate equivalent measurement ................................................................................ 17
5.3.
Dose measurement ......................................................................................................... 18
5.4.
Display of the excess of the measurement range ........................................................... 18
5.5.
Special remarks for measurement performance ............................................................ 19
5.6.
Note on battery lifetime ................................................................................................. 20
5.7.
Use of the device carrier ................................................................................................ 20
6.
Stora e, handlin and transport instructions ............................. 23
7.
Cleanin of the device .................................................................. 23
8.
Service ........................................................................................... 23
Technical data ........................................................................................ 24
Appendix ................................................................................................. 26
Operation sheet OD-02 ........................................................................... 29
CE declaration of conformity ................................................................. 30
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1. OD-02 Product characteristics / scope of services
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2. Safety instructions
Sensitive parts such as the soft radiation chamber must be protected
a ainst mechanical influences. Dama es to the soft radiation chamber
can cause contact volta es of up to 400 V while switched on!
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3. Components
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3.1. Control elements
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3.1.1. Meter switch (15)
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3.1.2. Zero adjuster (16)
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3.1.3. “Li ht / Reset Dose / Reset Max Dose rate” button (12)
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3.1.4. T-button “History-Table / switch dose, max dose rate” (13)
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Fig. 7) Mode “dose rate“: Display “Accumulated Dose”.
Fig. 8) Mode “dose rate“: Display “Max dose rate”.
3.1.5. External power supply (option)
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4. Measurin principle
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4.1. Electrical zero adjustment
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4.2. Calculated air pressure correction
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5. Measurement preparation and performance
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5.1. Preselection of the measurin variables
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Fig. 14) Interlock of the wall reinforcement cap
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Optional OD-02 Hx:
In countries which have not introduced metrics regarding ICRU- Directive, the
measurement unit is the photon dose equivalent / - dose rate:
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5.3. Dose measurement
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For an exact dose determination as well as for measurements in pulsed radiation
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5.4. Display of the excess of the measurement ran e
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Fig. 18 a) Display overflow of measurement range in mode “Dose rate”.
Fig. 18 b) Display overflow of measurement range in mode „Dose“.
5.5. Special remarks for measurement performance
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5.6. Note on battery lifetime
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