Detectors Flashcards
The Calibration trap/marker is___?
TNT
The Verification trap/marker is___?
RDX
The HE detector temperature can take up to __ minutes to stabilize if powered off prior to calibration.
15
What must be done prior to pressing the “Trigger” during Auto Calibration on the HE detector ?
A Calibration trap must be inserted.
Prior to Verification of the Auto Calibration on the HE detector what must the operator do?
Insert a clean trap and press the “Trigger.” Repeat until green screen “No Alarm Ready” appears.
Gloves be changed between Auto Calibration and Verification steps of the HE detector . T/F
True
When preparing for sample collection for the HE detector how many Sample traps should be prepared?
3 sets of Sample traps with envelopes.
Explain sample collection and preparation for the HE detector .
Sample 1 is collected from IPC. Sample 2 is collected from sample 1. Sample 3 is collected from sample 2.
Sample 1 is the first sample examined by the HE Detector after sample preparation. T/F
F- Sample 3 is the first tested sample.
Use a _ gig (or less) thumb drive or SD card formatted to “___ __” to transfer data from the HE Detector.
8; FAT 32.
The steps for transferring data are: ____>_____ _____>____ ____ ____ __ ______ _____.
Menu>Advanced Menu>Copy Alarm Files to External Media.
What 2 steps need to be completed during Shutdown?
Delete Alarm Files; 5 min System Burn.
If Manual Calibration of the HE detector is necessary which option is correct: Dual Peak Calibrate or Single Peak Calibrate?
Single Peak Calibrate
Select the top of the RDX/HMX peak, not the RDX-H:1 peak to perform HE detector Manual Calibration. T/F
True
A SIG file is generated under what circumstances on theHE detector ?
As a result of Insufficient Quantity of Explosives-No Alarm.
When sampling with the HE detector, what should happen after an Insufficient Quantity of Explosives-No Alarm?
The SIG should be recorded and the next generation sample (either 2 or 1) should be tested.
Position the ORTEC for optimal spectrum collection (between __ and __ cps and between __% and __% dead time.
5K, 20K; 10, 40.
The internal battery of the ORTEC should last?
2–3 hours at 77 degrees F.
The ORTEC requires what size external memory card?
2 Gb or smaller SD.
The identiFINDER 2-R400 automatically calibrates via an intrinsic _____ source.
Cs137
Use _____ ____ _____ to collect Known with the identiFINDER 2-R400?
Tungsten welding rods.
When reporting identiFINDER 2-R400 to TRIAGE, use this description for the Known spectra:
10 Pieces Tungsten Electrodes 2% Thoriated Red Tip 1/8” x 7”.
The FH40 probe head should be ___ above the potentially contaminated source.
1/4”.
On the FH40 a reading of __ ___ or higher must be reported to SIOC/Home Team.
10 cpm.
On the FH40 a reading of __ ___ or greater requires respirator.
150,000 cpm.
On the FLuke Survey Meter, a reading of __ __ (MMX scanner) or __ __ (ScanX scanner) indicates the mosaic will have received the correct exposure.
2 mR, 0.5 mR.
The INL Tool should be used at an unshielded reading of ___-____.
100-200 mR/hr.
To get the Dose Ratio with the INL Tool?
Shiielded Dose Rate divided by the Unshielded Dose Rate.
The INL Tool Chart indicates which isotopes?
Se-75, Ir-192, Cs-137, Co-60.
Proceed downrange covering approximately __ feet per second or slower while searching with the HRM.
2.
Press the update button when a _ or _ is displayed in the Gamma display on the HRM.
U, 9.
The HRM indicates a reading of ___ ___ or more when the update button no longer resets the value.
12 mR/hr (2 resets)
The MobileTrace _____ must be changed prior to use.
Drier
_____ is the known source used for the Ortec.
Thorium (Yellow Cap)
Background measurements for the Ortec shold be taken in a like environment, away from IPC influence. T/F
True
identiFINDER 2-R400 is unreliable >50mR due to switching to the GM tube. T/F
True
The identiFINDER 2-R400 can be calibrated in elevated radiation fields. T/F
False
The FH-40 is primarily used for ______ detection and _____/_______ for secondary detection.
Alpha; Gamma/Neutron
The INL coin is designed to identify single RDD threat isotopes. T/F
True
The three modes of the identiFINDER 2-R400 are?
Finder, Dose, Identify
The HRM is _____ color and the HDHRM is ______ color.
Black; Tan
The HDHRM indicates a reading of ___ ___ or more when the update button no longer resets the value
88R (2 resets)
A “U” reading on either the HRM or HDHRM indicates what?
Field lower than background.
On the Identifinder-2, a _____ LED indicates Neutron and a _____ LED indicates Gamma.
Blue; Red
The Identifinder-2 alarm rates are?
2 mR/hr and 10 mR/hr
The Identifinder-2 uses He3 to detect neutrons. T/F
True
To access the advanced menu on the Identifinder-2 use what sequence?
LMRLMR on the arrows
What must be changed prior to using the MobileTrace?
Drier desiccant
MobileTrace should be stored in power off mode. T/F
True
