Handheld Radiation Monitor Operational Test | FRONTLINE Maintenance Tool

Last Updated: 04/25/2025 1:39 AM

The following table lists all the components that make up the document.

Title	Type	Status	Last Updated
Sensor Tech Handheld Radiation Monitor	Device	Published	10/28/2024 3:52 PM
247 - 257 - Prepare instrument; Remark:	Procedure Step	Published	04/11/2025 9:08 PM
257 - Prepare instrument	Instruction	Published	04/11/2025 9:07 PM
786 - 219 - Verify there are no sources of radiation near instrument; Remark:7	Procedure Step	Published	04/20/2025 6:37 PM
219 - Verify there are no sources of radiation near instrument	Instruction	Published	04/12/2025 4:20 PM
7 - No Radiation symbol	Remark	Published	07/12/2021 1:34 PM
4316 - 220 - Power on instrument; Remark:4315	Procedure Step	Published	06/06/2022 5:58 PM
220 - Power on instrument	Instruction	Published	04/06/2025 7:00 PM
4315 - Set instrument to AUDIO mode.	Remark	Published	06/06/2022 5:58 PM
4290 - 612 - Wait for instrument to complete start-up sequence; Remark:4286	Procedure Step	Published	04/13/2025 6:50 PM
612 - Wait for instrument to complete start-up sequence	Instruction	Published	04/13/2025 6:38 PM
4286 - The unit is ready for operation when the period flashes every 20 seconds....	Remark	Published	06/06/2022 4:11 PM
252 - 232 - Check instrument gamma response; Remark:	Procedure Step	Published	07/29/2021 11:10 AM
232 - Check instrument gamma response	Instruction	Published	07/23/2021 9:58 AM
4312 - 235 - Place instrument next to radioactive gamma source; Remark:4884	Procedure Step	Published	06/06/2022 6:00 PM
235 - Place instrument next to radioactive gamma source	Instruction	Published	07/09/2021 1:39 PM
4884 - IO HRM Move Closer to Rad Source	Remark	Published	08/04/2022 1:44 PM
4313 - 2936 - Verify audible alarm functions correctly; Remark:4310	Procedure Step	Published	06/06/2022 6:02 PM
2936 - Verify audible alarm functions correctly	Instruction	Published	06/15/2021 4:09 PM
4310 - The instrument should respond as follows: Instrument will e...	Remark	Published	06/06/2022 6:01 PM
4311 - Numeric value will appear in the gamma LED [light-emitting diode] dis...	Remark	Published	06/06/2022 6:02 PM
4314 - 241 - Move instrument away from radioactive gamma source; Remark:4883	Procedure Step	Published	06/06/2022 6:03 PM
241 - Move instrument away from radioactive gamma source	Instruction	Published	06/25/2021 12:22 PM
4883 - IO HRM Move Away from Rad Source	Remark	Published	08/04/2022 1:47 PM
2914 - 2912 - Test vibration alarm; Remark:	Procedure Step	Published	06/06/2022 5:28 PM
2912 - Test vibration alarm	Instruction	Published	06/15/2021 4:11 PM
4320 - 4319 - Change to VIBRATE mode; Remark:4318	Procedure Step	Published	06/06/2022 6:08 PM
4319 - Change to VIBRATE mode	Instruction	Published	06/06/2022 6:07 PM
4318 - Quickly move switch to VIBRATE.	Remark	Published	06/06/2022 6:08 PM
4323 - 2938 - Verify vibration alarm functions correctly; Remark:4321	Procedure Step	Published	06/06/2022 6:12 PM
2938 - Verify vibration alarm functions correctly	Instruction	Published	06/15/2021 4:12 PM
4321 - The instrument should respond as follows: Instrument will v...	Remark	Published	06/06/2022 6:11 PM
4322 - Numeric value will appear in the gamma LED display.	Remark	Published	06/06/2022 6:11 PM
4329 - 4328 - Check response with neutron radioactive source; Remark:	Procedure Step	Published	06/06/2022 6:21 PM
4332 - Note : The neutron response can be performed using a neutron radioactive source or b...	Annotation	Published	06/06/2022 6:37 PM
4328 - Check response with neutron radioactive source	Instruction	Published	06/06/2022 6:21 PM
4326 - 3095 - Place instrument next to radioactive neutron source; Remark:4884	Procedure Step	Published	06/06/2022 6:31 PM
3095 - Place instrument next to radioactive neutron source	Instruction	Published	07/16/2021 10:49 AM
4325 - 3097 - Verify instrument responds correctly; Remark:4310	Procedure Step	Published	06/06/2022 6:24 PM
3096 - Note : Most radioactive neutron sources also have a gamma component, which will likely ...	Annotation	Published	07/23/2021 9:57 AM
3097 - Verify instrument responds correctly	Instruction	Published	07/16/2021 10:50 AM
4324 - Numeric value will appear in the neutron LED display. Blue...	Remark	Published	06/06/2022 6:24 PM
4327 - 3098 - Move instrument away from radioactive neutron source; Remark:4883	Procedure Step	Published	06/06/2022 6:32 PM
3098 - Move instrument away from radioactive neutron source	Instruction	Published	07/16/2021 10:54 AM
4338 - 3095 - Place instrument next to radioactive neutron source; Remark:4884	Procedure Step	Published	06/06/2022 6:31 PM
4331 - 3097 - Verify instrument responds correctly; Remark:4321	Procedure Step	Published	06/06/2022 6:51 PM
4330 - Numeric value will appear in the neutron LED display. Blue...	Remark	Published	06/06/2022 6:51 PM
4339 - 3098 - Move instrument away from radioactive neutron source; Remark:4883	Procedure Step	Published	06/06/2022 6:32 PM
4337 - 4335 - Check response with background neutron radiation; Remark:	Procedure Step	Published	06/06/2022 7:01 PM
4336 - Note : If no neutron radioactive source is available, the following step can be used...	Annotation	Published	06/06/2022 7:01 PM
4335 - Check response with background neutron radiation	Instruction	Published	06/06/2022 7:01 PM
4344 - 4343 - Monitor neutron LED; Remark:4342	Procedure Step	Published	06/06/2022 7:11 PM
4343 - Monitor neutron LED	Instruction	Published	06/06/2022 7:10 PM
4342 - Watch neutron LED carefully in a low-light environment for at least 5 minutes...	Remark	Published	06/06/2022 7:11 PM
4345 - 4341 - Verify instrument responds to background neutron radiation; Remark:4340	Procedure Step	Published	06/06/2022 7:13 PM
4341 - Verify instrument responds to background neutron radiation	Instruction	Published	06/06/2022 7:11 PM
4340 - In natural background, the instrument should respond about one (1) to three (...	Remark	Published	06/06/2022 7:13 PM
4349 - 4343 - Monitor neutron LED; Remark:4342	Procedure Step	Published	06/06/2022 7:11 PM
4350 - 4341 - Verify instrument responds to background neutron radiation; Remark:4348	Procedure Step	Published	06/06/2022 7:17 PM
4348 - In natural background, the instrument should respond about one (1) to three (...	Remark	Published	06/06/2022 7:16 PM
253 - 242 - Document and report any unresolved problems; Remark:	Procedure Step	Published	06/22/2021 10:23 AM
242 - Document and report any unresolved problems	Instruction	Published	04/21/2025 11:45 AM
Routine Maintenance Procedure	Document Type	Published	03/02/2020 3:31 PM
minutes	Duration	Published	05/26/2022 11:41 AM
Before each use	Frequency	Published	08/31/2020 5:00 PM
Daily	Frequency	Published	04/01/2020 11:36 AM
Note	Annotation Type	Published	03/02/2020 3:25 PM
Technician 1	Skill Level	Published	05/14/2020 2:56 PM
None	Tools	Published	05/06/2020 9:50 PM
No Radiation Symbol	Image	Published	08/13/2024 2:56 PM
HRM Switch in AUDIO position	Image	Published	08/02/2022 5:03 PM
HRM Red LED Dot Period	Image	Published	08/02/2022 4:53 PM
HRM Move to Rad Source Trefoil	Image	Published	08/02/2022 7:57 PM
HRM Alert Audio	Image	Published	08/02/2022 7:51 PM
HRM Red LED Display 3	Image	Published	08/02/2022 7:47 PM
HRM Move away from Rad Source Trefoil	Image	Published	08/02/2022 7:59 PM
HRM Switch in VIBRATE position	Image	Published	08/02/2022 5:06 PM
HRM Alert Vibrate	Image	Published	08/02/2022 7:52 PM
HRM Alert Audio Neutron Full Size	Image	Published	08/04/2022 4:58 PM
HRM Alert Blue LED Neutron Level 3	Image	Published	08/03/2022 10:29 AM
HRM Alert Vibrate Neutron Full Size	Image	Published	08/04/2022 5:00 PM
HRM Alert Audio Neutron	Image	Published	08/03/2022 10:32 AM
HRM Alert Vibrate Neutron	Image	Published	08/03/2022 10:34 AM

DET-HHD-STE-HRM-RM01

Check the handheld radiation monitor (HRM) operation and response to a source of radiation. The source of radiation may be any material that causes an alarm, including consumer products or naturally occurring radioactive materials.

Equipment Hierarchy

Sensor Tech Handheld Radiation Monitor

Frequency

Before each use

Daily

Technician Level

Technician 1

x 1

Duration

Time increment

minutes

Length of time

Tools Required

None

Materials Required

Cs-137 activity 37 kBq (1-10 μCi) or gamma radioactive source with activity high enough to create alarm

Cf-252 activity 37 kBq (1-10 μCi)

Originators

Demboski, Erica

Tucker, Brian

Originating Organization

PNNL

Approver

Simons, Brian

Safety Concerns

Radioactive Source

Final Documentation

None

Departmental Coordination

Prior to arrival, notify operators concerning expected work and duration.

Date of Origin

2022-05-01

Version

1.00

Step 1

Main Step

247 - 257 - Prepare instrument; Remark:

Step 00

257 - Prepare instrument

Prepare instrument

786 - 219 - Verify there are no sources of radiation near instrument; Remark:7

Step 00

219 - Verify there are no sources of radiation near instrument

Verify there are no sources of radiation near instrument

7 - No Radiation symbol

Radiation symbol with circle/slash through it.

4316 - 220 - Power on instrument; Remark:4315

Step 00

220 - Power on instrument

Power on instrument

4315 - Set instrument to AUDIO mode.

Set instrument to AUDIO mode.

4290 - 612 - Wait for instrument to complete start-up sequence; Remark:4286

Step 00

612 - Wait for instrument to complete start-up sequence

Wait for instrument to complete start-up sequence

4286 - The unit is ready for operation when the period flashes every 20 seconds....

The unit is ready for operation when the period flashes every 20 seconds.

HRM Displays a red dot in lower right corner

Step 2

Main Step

252 - 232 - Check instrument gamma response; Remark:

Step 00

232 - Check instrument gamma response

Check instrument gamma response

4312 - 235 - Place instrument next to radioactive gamma source; Remark:4884

Step 00

235 - Place instrument next to radioactive gamma source

Place instrument next to radioactive gamma source

4884 - IO HRM Move Closer to Rad Source

HRM device moved closer to radiation source

4313 - 2936 - Verify audible alarm functions correctly; Remark:4310

Step 00

2936 - Verify audible alarm functions correctly

Verify audible alarm functions correctly

4310 - The instrument should respond as follows: Instrument will e...

The instrument should respond as follows:

Instrument will emit an audible beep.

4311 - Numeric value will appear in the gamma LED [light-emitting diode] dis...

Numeric value will appear in the gamma LED [light-emitting diode] display.

4314 - 241 - Move instrument away from radioactive gamma source; Remark:4883

Step 00

241 - Move instrument away from radioactive gamma source

Move instrument away from radioactive gamma source

4883 - IO HRM Move Away from Rad Source

HRM device moved farther from radiation source

Step 3

Main Step

2914 - 2912 - Test vibration alarm; Remark:

Step 00

2912 - Test vibration alarm

Test vibration alarm

4320 - 4319 - Change to VIBRATE mode; Remark:4318

Step 00

4319 - Change to VIBRATE mode

Change to VIBRATE mode

4318 - Quickly move switch to VIBRATE.

Quickly move switch to VIBRATE.

HRM switch in lower position for vibrate

4312 - 235 - Place instrument next to radioactive gamma source; Remark:4884

Step 00

235 - Place instrument next to radioactive gamma source

Place instrument next to radioactive gamma source

4884 - IO HRM Move Closer to Rad Source

4323 - 2938 - Verify vibration alarm functions correctly; Remark:4321

Step 00

2938 - Verify vibration alarm functions correctly

Verify vibration alarm functions correctly

4321 - The instrument should respond as follows: Instrument will v...

The instrument should respond as follows:

Instrument will vibrate.

4322 - Numeric value will appear in the gamma LED display.

Numeric value will appear in the gamma LED display.

4314 - 241 - Move instrument away from radioactive gamma source; Remark:4883

Step 00

241 - Move instrument away from radioactive gamma source

Move instrument away from radioactive gamma source

4883 - IO HRM Move Away from Rad Source

Step 4

Main Step

4329 - 4328 - Check response with neutron radioactive source; Remark:

4332 - Note : The neutron response can be performed using a neutron radioactive source or b...

Type

Note

The neutron response can be performed using a neutron radioactive source or background neutron radiation. If a neutron radioactive source is not available, skip to Step 5.

Step 00