DVM1356 SOUND LEVEL CALIBRATOR
3
SPECIFICATIONS
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Output sound-pressure levels :
114dB and 94dB re 220µPa under reference conditions.
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Output frequency : 1000Hz
±
4%
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Reference conditions :
Temperature : 20°C (68°F)
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Relative humidity : 65%
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Atmospheric pressure : 1013hPa
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Temperature coefficient :
±
0.015dB/°C
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Total harmonic distortion : <3%
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Accuracy of sound-pressure levels :
Under stated reference environment conditions :
±
0.5dB
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Power : 1 x 9V battery
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Battery life : approx. 100 hours (with alkaline battery)
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Battery test :
Internal circuitry checks condition of battery continuously.
Calibrator will not operate at all if battery voltage falls below
acceptable range.
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Dimensions : 103(L) x 63(W) x 54(H)mm
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Weight : approx. 200g (including battery)
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Operating temperature & humidity :
0
∼
40°C (32 to 104°F), 10
∼
90% RH
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Storage temperature & humidity :
-10
∼
60°C (14 to 140°F), 10
∼
70% RH
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Accessories :
Instruction manual, carrying case, 9V battery, 1/2" and 1/4",
microphone adapter.
