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Sharma, Omkar
- Charge Amplifiers Calibration in Vibration Metrology at NPLI
Abstract Views :151 |
PDF Views:1
Authors
Naveen Garg
1,
Omkar Sharma
1
Affiliations
1 Acoustics, Ultrasonic, Shock and Vibrations Standards, Apex Level Standards and Industrial Metrology Division, National Physical Laboratory, CSIR, New Delhi, IN
1 Acoustics, Ultrasonic, Shock and Vibrations Standards, Apex Level Standards and Industrial Metrology Division, National Physical Laboratory, CSIR, New Delhi, IN
Source
Manufacturing Technology Today, Vol 12, No 2 (2013), Pagination: 14-17Abstract
The present work discusses the methodology and procedure followed at NPLI for calibration of charge amplifiers. The charge amplifiers are calibrated conventionally using a 1 nF standard capacitor and sine generator for gain measurements. An automated calibration system using B&K Calibration software in conjunction with a calibrated 1 nF precision adaptor controlled by Pulse Analyzer is also used for precision calibration of charge amplifiers for gain and phase measurements from 0.5 Hz to 20 kHz. The uncertainty achieved in gain calibration is reported in the present work.- Experimental Investigations of the Sound Transmission Loss of Window Panes
Abstract Views :170 |
PDF Views:1
Authors
Affiliations
1 Acoustics Section, National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi, IN
1 Acoustics Section, National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi, IN