Technical Specification
| Parameter | Value |
| Measurement Range (Pa) | A Sound Level: 40 dB to 130 dB, C Sound Level: 55 dB to 130 dB |
| Frequency Range | 31.5 Hz to 8 kHz |
| Frequency Weighting | A and C Frequency Weighting Networks |
| Range Attenuator Grading Error | ≤ 0.5 dB |
| Meter Scale Error (0dB+10dB) | ≤ 0.5 dB (-5 dB to 0 dB), ≤ 1 dB |
| Amplifier Output | Output Voltage (at full scale): 2 V effective value |
| Output Impedance | Approximately 600 Ω |
| Power Supply | 1 9 V Battery |
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