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Simpson 890-2 [12890] Sound Level Calibrator

Simpson 890-2 [12890] Sound Level Calibrator
Simpson 890-2 [12890] Sound Level Calibrator
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Rp.9,700,0000
  • Brand: Simpson Electric
  • Part Number: 12890
  • Availability: 3 - 4 WEEKS
  • Last Updated: 01 Jun 2019
Simpson Electric Simpson Electric
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Tags: Additel , Digital , Pressure , Calibrators

The Simpson 890-2 Sound Level Calibrator (hereafter referred to as the 890-2, or simply the Instrument) is an accurate, portable sound source designed specifically for convenient field calibration of the Simpson Models 884-2, 886-2, 899 or other compatible Sound Level Meters (SLM). Its compact, rugged construction and battery powered operation permit its use in virtually any location. When acoustically coupled to a Sound Level Meter the 890-2 provides a constant, calibrated sound pressure level of 114 dB or 94 dB (0 dB reference is 20 μ Pascals) at the microphone of the Sound Level Meter.

The sound pressure accuracy is ± 0.5 dB at 23°C and 760 mmHg. The sound frequency is 1,000 Hz. The case of the Instrument is constructed of aluminum and designed to minimize loss when coupling the transducer cavity to the SLM microphone

Features:

  • The 890-2 provides a constant 94 dB or 114 dB sound pressure level at 1 KHz (0 dB = 0.0002Mbar).
  • 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.
  • Calibrator is immune to a wide range of temperature and humidity conditions while maintaining tight output level tolerances.

            What's In The Box:

            • (1) Screwdriver
            • (1) 9V battery, NEDA 1604
            • (1) Operator’s Manual

            Brochure/Datasheet

            Instruction manual

            Note: Prices are not binding , subject to change without prior notice

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