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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