Sound Level Meter Calibrator Microprocessor ND9 ( ALAT UKUR TINGKAT KEKERASAN SUARA)
Keterangan
Sound Level Meter Calibrator Microprocessor ND9 ( ALAT UKUR TINGKAT KEKERASAN SUARA)
SOUND CALIBRATOR
To calibrate the sound level meter
Application
Handy sound source for quick and easy calibration of sound level meters and sound measuring systems.
the Calibrator employs solid state integrated cir cuitry that provides accurate and stable performance.
Sensititivity calibration of miccrophone.Suitable for filed and laboratory use.
Standard : GB/ T 15173, ANSI S1.40 Class2, IEC 942
Output Sound Level : 94 dB, 114 dB
Accuracy : 0.5 dB
Frequency : 1, 000 Hz
Design for : 1" , ½ "
Power Supply : 1 x 9V 6F22 Battery
Dimension : 142 x 47 x 47 mm
Weight : 275 gr