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General information

Medical Analyzers
N20 is used as a sedative in hospitals - particularly operating rooms, x-ray departments, dental practices and veterinary clinics, where medical staff is at risk of long term exposure. The maximum exposure level considered acceptable over an 8 hour period (known as a time weighted average, TWA) is set as a maximum limit country by country.

Monitoring may be by placing an analyzer within a room, set up with a trigger alarm and data log. Alternatively, a unit can be attached to the user (on a belt clip) with the tube attached just over the users shoulder to record levels of N20 in the breathing zone (more critical for dentists and in operating rooms, where the user may be spending a lot of time around the main source of the gas). Again immediate alarms or TWA can be recorded to record exposure. Leak detection in N2O storage areas is also important.