simpson_electric_887-2

Simpson Electric 890-2 & 887-2 Calibrators

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Produktnummer: 890-2_887-2
BESKRIVELSE

Sound pressure level calibrators are used before or after taking measurements with sound level meters and noise dosimeters. The 890-2 can adjust Simpson models 886-2 and 884-2 or other sound level meters with a 1" diameter microphone. The 890-2 provides a constant 94 dB or 114 dB sound pressure level at 1 KHz. Calibrator is immune to a wide range of temperature and humidity conditions while maintaining tight output level tolerances.

The model 887-2 calibrator is selectable for either 94 dB or 114 dB sound pressure level at 1 KHz. The calibrator, immune to a wide range of temperature and humidity conditions, is compatible with 1/2" microphone. Operational readines is indicated by the low battery red LED.

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