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General| Type | Pistonphone |
|---|---|
| Accuracy | ±0.2 dB |
| Frequency | 250 Hz |
| Sound Pressure Level | 114 dB ±0.2 dB re. 20 μPa |
| Microphone Diameter | 1 inch |
| Power Supply | Battery |
| Operating Temperature Range | −10 to +50 °C (14 to 122 °F) |
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