PNNL-18943
Prepared for the U.S. Department of Energy under Contract DE-AC05-76RL01830
Functional Evaluation of the DOZA DKG-05D Electronic Dosimeter System R.K. Piper R.I. Scherpelz October 2009
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Contents
1.0 Introduction ................................................................................................................................ 1
1.1 Scenario for Use ................................................................................................................. 1
1.2 Evaluation Goals ................................................................................................................ 2
2.0 Non-Radiological Evaluations .................................................................................................... 4
2.1 Mechanical Characteristics ................................................................................................ 4
2.1.1 Evaluation Protocol ................................................................................................. 4
2.1.2 Results ..................................................................................................................... 4
2.2 Exterior Markings .............................................................................................................. 5
2.2.1 Evaluation Protocol ................................................................................................. 5
2.2.2 Results ..................................................................................................................... 5
2.3 Units of Readout................................................................................................................. 6
2.3.1 Evaluation Protocol ................................................................................................. 6
2.3.2 Results ..................................................................................................................... 6
2.4 Range Capabilities.............................................................................................................. 6
2.4.1 Evaluation Protocol ................................................................................................. 6
2.4.2 Results ..................................................................................................................... 7
2.5 Zero Effect/Background Response ..................................................................................... 7
2.5.1 Evaluation Protocol ................................................................................................. 7
2.5.2 Results ..................................................................................................................... 7
2.6 Zeroing ............................................................................................................................... 8
2.6.1 Evaluation Protocol ................................................................................................. 8
2.6.2 Results ..................................................................................................................... 8
2.7 Instructions ......................................................................................................................... 8
2.7.1 Evaluation Protocol ................................................................................................. 8
2.7.2 Results ..................................................................................................................... 9
2.8 Power .................................................................................................................................. 9
2.8.1 BatteryGeneral .................................................................................................... 9
2.8.2 Battery24 Hour Response Consistency ............................................................... 9
2.8.3 BatteryResponse Consistency at Battery Indication/Length of Response ......... 11
2.8.4 Consistency of Response Following Power Loss .................................................. 16
2.8.5 Charging Notes ...................................................................................................... 18
2.9 Humidity Response .......................................................................................................... 19
2.9.1 Evaluation Protocol ............................................................................................... 19
2.9.2 Results ................................................................................................................... 19
2.10 Temperature Dependence ................................................................................................. 20
2.10.1 Evaluation Protocol ............................................................................................... 20
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2.10.2 Results ................................................................................................................... 21
3.0 Radiological Evaluations .......................................................................................................... 23
3.1 Introduction ...................................................................................................................... 23
3.2 Dose Dependence ............................................................................................................. 23
3.3 Dose Rate Dependence ..................................................................................................... 24
3.4 Photon Energy Dependence ............................................................................................. 25
3.4.1 Evaluation Protocol ............................................................................................... 26
3.4.2 Results ................................................................................................................... 26
3.5 Wear Orientation .............................................................................................................. 27
3.5.1 Evaluation Protocol ............................................................................................... 27
3.5.2 Results ................................................................................................................... 27
4.0 Conclusions and Recommendations ......................................................................................... 28
4.1.1 Functional Considerations ..................................................................................... 28
4.1.2 Battery ................................................................................................................... 29
4.1.3 Dose Measurement ................................................................................................ 29
5.0 References ................................................................................................................................ 30
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Figures
Figure 1. Assumed Blinking Battery Symbol .................................................................................. 14
Figure 2. Assumed Low Battery Warning Symbol .......................................................................... 14
Figure 3. Humidity Dependence Evaluation Sequence .................................................................... 20
Figure 4. Temperature Dependence Evaluation Sequence .............................................................. 22
Figure 5. Results of Dose Dependence Testing ............................................................................... 24
Figure 6. Results for the Evaluation of Dose Rate Dependence ...................................................... 25
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Tables
Table 1. Evaluation Overview ........................................................................................................... 3
Table 2. DOZA DKG-05D Physical Specifications .......................................................................... 4
Table 3. Background Response of the DOZA DKG-05D Electronic Dosimeter ............................... 7
Table 4. Battery Conditions and Alarm Thresholds Prior to Initiation of 24-Hour Response
Consistency Evaluation ............................................................................................................. 10
Table 5. Ambient Conditions During Evaluation of 24-Hour Response Consistency ..................... 10
Table 6. 24-Hour Response Consistency of the DOZA DKG-05D Electronic Dosimeter .............. 11
Table 7. Condition of Dosimeters at the Initiation of Testing for Response Consistency at
Battery Indication ..................................................................................................................... 12
Table 8. Response Consistency of the DOZA DKG-05D Electronic Dosimeter at Battery
Warning .................................................................................................................................... 14
Table 9. Response Consistency of the DOZA DKG-05D Electronic Dosimeter Prior to Shutdown
Due to Low Power .................................................................................................................... 15
Table 10. Nominal Time Between Identified Battery Warning and Eventual Shutdown ................ 15
Table 11. Ambient Conditions During Evalua
