Thanks everyone for your response to this question. You have assured me that this is not localized to just us, and you have highlighted a good solution via histrogram to determine true alarms vs mechanical shock induced alarms. I just need to figure out how to prevent people from dropping them all the time.
I appreciate you taking the time out of your day to respond to this question. Cheers, Zach Brajuha -----Original Message----- From: owner-power...@hps1.org [mailto:owner-power...@hps1.org] On Behalf Of Seabock, Mike Sent: Sunday, April 29, 2012 10:26 PM To: powernet@hps1.org Subject: Powernet: RE: Dropped ED registering faulty dose rates HNP- Dropped ED's from a height of approximately waste high onto a hard surface will produce a dose rate alarm most of the time. The dosimeter if in a low now area will produce a short chirp and that is all. Histograms are verified and in all dropped ED cases the alarm is for 1 second minimal recordable. Michael Seabock Lead Radiation Protection Specialist Progress Energy - Carolinas Harris Nuclear Plant 919.362.2808 -----Original Message----- From: owner-power...@hps1.org [mailto:owner-power...@hps1.org] On Behalf Of BRAJUHA Zach(ZR) - BRUCE POWER Sent: Thursday, April 26, 2012 10:36 AM To: powernet@hps1.org Subject: [Marketing Mail] Powernet: Dropped ED registering faulty dose rates Good morning, We have recently started using DMC2000S electronic dosimeters and have received several reports in the field of dose rate alarms after the device has has been dropped. We are currently working with the vendor to analyze the specific dosimeters in questions, but I'm wondering if anyone else in the industry has experienced this problem. I would like to know if this issue is specific to some of the dosimeters we have received, or if this has affected other plants? Any information is greatly appreciated. Thanks, Zach Brajuha RP FLM (Acting) Bruce Power (519) 361-2673 ext. 12851 ----------------------------------- Powernet - a service of the Health Physics Society Power Reactor Section Powernet archives at http://www.mail-archive.com/powernet@hps1.org/ Reply to: powernet@hps1.org If Questions, contact Mike Russell, CHP at russe...@songs.sce.com ----------------------------------- Powernet - a service of the Health Physics Society Power Reactor Section Powernet archives at http://www.mail-archive.com/powernet@hps1.org/ Reply to: powernet@hps1.org If Questions, contact Mike Russell, CHP at russe...@songs.sce.com ----------------------------------- Powernet - a service of the Health Physics Society Power Reactor Section Powernet archives at http://www.mail-archive.com/powernet@hps1.org/ Reply to: powernet@hps1.org If Questions, contact Mike Russell, CHP at russe...@songs.sce.com
