Pulsar 105 声音校准器（1级）

Classes: 105 (class1)
Sound Pressure: 94dB
Pressure:1 Pascal
Pressure Tolerance: 105 - 0.2 dB, 106 - 0.4dB
Frequency: 1kHz (1000cps) +/- 0.2%
Microphone diameter: Fits microphones nominal ½” to IEC 1094-4.
Adapter available for smaller microphones
Indicator: Green LEdshows operation with good battery
Power: 9V IEC type 6F22 or PP3
International Standards:IEC 60942
Accessories: User manual, Certificate of calibration, Battery (9V)

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