Feature

●Sound source for quick and easy calibration of sound level meters and sound measuring systems.
●The Calibrator employs solid state integrated circuitry that provides accurate and stable performance.
●Sensitivity calibration of microphones.
●Suitable for field and laboratory use.


Description

▲Product Description
▲Sound source for quick and easy calibration of soundlevel meters and sound measuring systems.The Calibrator employs solid state integrated circuitry that providesaccurate and stable performance.Sensitivity calibration of microphones.Suitable for field and laboratory use.
▲Product Parameters
▲Model：DB10-4221
▲Sound Pressure Level： class1
▲Frequency：1000±0.01%Hz which allows calibration with A, B, C, D or linear frequency weighting
▲Standards：Conforms to IEC 942 and GB/T15173
▲Application：Calibration of 1" and 1/2" microphones
▲Power Source：2x1.5V AAA(UM-4) Battery
▲Temperature Operating：-10 to +50°C
▲Temperature Storage：-40 to +50°C(with batteries removed)
▲Temperature Coefficient：0 to 0.01 dB/°C
▲Altitude Effects：
0.1dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmospheric pressure change (approximately every 50 mm of Hg decrease).
▲Size：61x52x93mm
▲Weight：About 200g
▲Product Accessories:Standard Accessories
▲Main Unit
▲Packaging Box
▲Manual