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Sound level calibrator HD9120
for sound level metersportable

Sound level calibrator - HD9120 - Delta OHM - for sound level meters / portable

Sound level calibrator - HD9120 - Delta OHM - for sound level meters / portable - image - 2

Sound level calibrator - HD9120 - Delta OHM - for sound level meters / portable - image - 3

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Characteristics

Physical quantity

sound level

Applications

for sound level meters

Options

portable

Temperature

Max.: 50 °C
(122 °F)

Min.: -10 °C
(14 °F)

Noise level

120 dB

Voltage

9 V

Description

HD9120 is an acoustic calibrator that, in accordance with the Circular Prot. RU 34143 of 02 December 2011, allows qualified technicians to perform calibrations of sound level meters for comparison with a reference sound level meter. The instrument is used by the program HD2010MCTC_VP for performing metrological tests on HD2010MCTC sound level meters used for vehicles inspections. The calibration procedure is automatically managed by the PC software HD2010MCTC_VP, which is able to generate, at the end of the of the verification, a full calibration report.