>94dB and 114dB Sound Calibration at 1KHz
>간편하고 쉬운 사용법
>1", 1/2" or 1/4" diameter microphone 사용 가능
- Output Sound Pressure Levels :
114dB and 94dB re 20 uPa under refrence conditions
- Output Frequency : 1000Hz ± 2%
- Reference Conditions :
TEMPERATURE → 23℃(73℉)
ATMOSPHERIC PRESSURE → 1013mbar(760mm of Hg)
RELATIVE HUMIDITY → 65%
- Accuracy of Sound Pressure Level :
Under stated reference environment conditions ±0.5dB
- Power : One 9V battery 006P or IEC 6F22 or NEDA 1604
- Battery Test : Internal circuitry checks condition of battery continuously.
Calibrator will operate at all if battery voltage falls below acceptable range.
- Battery life : About 20 hours
- Dimensions : 103(L)x63(W)x54(H)mm
- Weight : approx. 200g(include batteries)
- Operating temperature : -10 ~ 50℃(14 ~ 122℉)
- Operating humidity : 0 ~ 90%RH
- Accessories : 9V battery, Carrying case , Instruction manual,
1/2" and 1/4" Microphone Adaptor |
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