394A40  Photo PCB Group

Model 394A40
Product Type: Calibrator, Calibrator, Acoustic
Pistonphone, 114 dB at 250 Hz, battery operated (for calibration of 1/4"" or 1/2"" microphones)
View Spec Sheet (PDF)
View photo and drawing .
PERFORMANCE ENGLISH SI
Operating Frequency(± 0.5 %) 250 Hz
250 Hz
Output(± 0.08 dB)(Sound Pressure Level) 114 dB re 20 µPa
114 dB re 20 µPa [3]
Distortion <1.5 %
<1.5 %
ENVIRONMENTAL
Temperature Range(Operating) 14 to +131 °F
-10 to +55 °C
Barometric Pressure Coefficient 0.09 dB/kPa
0.09 dB/kPa
ELECTRICAL
Settling Time 15 sec
15 sec [1]
Internal Battery(Type) AA
AA [2]
Internal Battery(Quantity) 4
4
Battery Life 20 hours
20 hours [1][2]
PHYSICAL
Size (Height x Width x Length) 1.38 in x 1.38 in x 6.89 in
35 mm x 35 mm x 175 mm
Weight 11.3 oz
320 gm
SUPPLIED ACCESSORIES:
Model 079A22 Adaptor for 1/4 inch microphones. (1)
Model RA0069 Adaptor for 1/8 inch microphone. (1)
Model ZC0002K Barometer (1)
OPTIONAL ACCESSORIES:
Model RA0023 1 inch microphone coupler. (1)
Model RA0025 Octopus coupler (1/4 inch mics) (1)

All specifications are at room temperature unless otherwise specified.
NOTES:
[1]Typical.
[2]Alkaline type recommended for longest service life.
[3]At ambient pressure





394A40  Photo



Download Drawing 21338-NR.pdf
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