Inhouse product
| Memory | 20M data records using 2G SD card |
| Weighting | A and C |
| Analog Output | AC |
| Accuracy | ±1.4dB |
| Noise Range | 30 to 130dB (3 ranges) |
| Weight | 18.3oz (520g) |
| Response time | Fast (125ms) / Slow (1s) |
| Dimensions | 9.8 x 2.9 x 1.9in (250 x 73 x 48mm) |
| Frequency range | 31.5 to 8000Hz |
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