Dosimeter Calibration Method

blueicecube2

Involved In Discussions
#1
Hi. Are there anyone out there familiar with dosimeter calibration and the standard used to perform such calibration? I am looking for international standard so that I don't have to perform V&V on the method.

Thank you!
 
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blueicecube2

Involved In Discussions
#3
Thanks! Its Extech Sound Level Meter 407780A.

Are there standard method for sound level meter? Or do we have to go back to manufacturer manual each time?
 

dwperron

Trusted Information Resource
#4
Many types of "calibration" are available for this type of unit, ranging from a single frequency / level check to a complete calibration covering complete frequency range, amplitude dynamic range, filter calibrations, etc.

What requirements are you attempting to meet using this meter? That will give a clue as to the scope of calibration this will require.
 

itsbiodiversity

Involved In Discussions
#5
I know for Extech they tend to have a specific procedure with a standard available to calibrate the sound level meter. The standard usually only has one or two settings. If that does not cover the range of use (like dwperron mentioned above) you would need to purchase a standard for that specific range. I do have a general procedure but it involves a bit more than the extech OEM procedure which will have you source one data point and adjust a pot.
 
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