how often are dosimeters changed?
439024
Collection of Dosimeters All badges and rings are collected by the designated department or location contact to be processed by a contractor. They are to be given to the contact within the first 5 days of the new monitoring period. Many badges are exchanged monthly; some are exchanged every 3-4 months.
672014
If your contacts are sitting in a case, you should change your disinfecting solution at least once every 30 days. That's an absolute minimum — and may need to be more frequent depending on your contacts' replacement schedule — so talk to your eye doctor to find out what's right for you.
252671
As for the nasal cannula, if you are wearing your oxygen 7 days a week, 24 hours per day, the cannula should be changed every 2 weeks. You can wipe the nasal prongs during those two weeks with a clean cloth that has a mild soap solution, but that is all you need to do.
1463730
Most indwelling catheters need to be changed at least every 3 months.
720578
It's best to reset and change the batteries in all of your smoke detectors at the same time. You should change the batteries in your smoke detector every six months. ... With the battery removed, press and hold the test button for 15-20 seconds. Once reset, the smoke detector should chirp one more time.
870370
No matter how heavy your flow is though, you should change your pad at least every 3 or 4 hours so you don't end up with an odor from bacteria that can grow in the blood. Yuck! As often as you need to. The truth is, the length of time you can wear a pad really depends on how heavy your flow is.
1469846
It's recommended by most brands that foils and blades should be changed every 12-18 months to continue the performance of your electric shaver. Some men might have coarser, thicker hair and if they're shaving daily, they may need to change their foils and blades earlier than the recommended time.
118457
The answer depends on the application. For a battery that is in continued use, a calibration should be done once every 3 months or after 40 partial cycles. If the portable device applies a periodic full deep discharge on its own accord, then no additional calibration should be needed.
1323460
The revision and updating of safety data sheets is not predetermined (there is no requirement that data sheets should be revised annually / every two years or every five years). Revision is required in all cases when new information is available about the product.
1452876
Know When To Change Your Password A safe interval between changing your WiFi password is once every three months (which is also a good time to make changes to any passwords for your other sensitive technological devices).
395542
Tampons are not intended to be used at any other time. Change each tampon every 4 to 8 hours. Never wear a single tampon for more than 8 hours at a time. Use the lowest absorbency tampon that you need.
590822
Most manufacturers recommend changing the air filter every 15,000-25,000 miles or once a year.
1437557
The OSL dosimeter provides a very high degree of sensitivity by giving an accurate reading as low as 1 mrem for x-ray and gamma ray photons with energies ranging from 5 keV to greater than 40 MeV. OSL dosimeters are designed to provide X, gamma, beta and neutron radiation monitoring using OSL technology.
1048341
The entire unit needs to be replaced every 10 years. Every 10 years: Replace your smoke alarm. Smoke alarms do not last forever and the sensitivity in all smoke alarms will reduce over time. All types of smoke alarms should be removed, replaced and disposed of at least every 10 years.
565831
As long as the mask continues to fit securely, they can be worn for a maximum of eight hours depending on environmental conditions. It's time to change a mask when it becomes difficult to breathe comfortably.
1144234
Roughly once a week. Every 4-5 days. 1-2 times a week.
1019756
In general, manufacturers of insulin pump infusion sets recommend changing them every 24 to 48 hours for a metal needle or every 48 to 72 hours for a soft cannula. It is best to follow these guidelines to maintain good control and minimize infection risk.