Technical Specifications
| Sound Pressure Level | 94 dB to 114 dB |
| Accuracy | ± 0.5 dB ± 0.3 dB |
| Frequency | 1000 ± 0.01 % Hz |
| Application | Calibration of 1 in (25.4 mm) 0.5 in (12.7 mm) microphones |
| Power Source | 2x 1.5 V AAA (UM-4) Battery |
| Temperature Operating | 14 °F to 122 °F (- 10 °C to 50°C) |
| Temperature Storage | – 40 °F to 122 °F (- 40 °C to 50°C) |
| Temperature Coefficient | 0 dB/°C to 0.01 dB/°C |
| Size | 2 in x 2 in x 5.39 in (51 mm x 51 mm x 137 mm) |
| Weight | 7.05 oz (200 g) |
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