| Measurement Range: | Microphone input: 40dB - 122dB SPL |
| | Line input: -81dBm to +3dBm (.069mV to 1.10V rms) |
| Inputs: | Microphone: Built-in omnidirectional electret condenser. |
| | Line: Unbalanced 3.5mm jack. 10kohm impedance |
| Center Frequencies (Hz): | ISO 31.5, 63, 125, 250, 500, 1k, 2k, 4k, 8k, 16k |
| Center Frequency Accuracy: | Typically ±3% |
| Display: | 10 Channel, 25dB window in 2.5dB steps. |
| | 31.5 Hz channel displays broadband SPL when in A or C weighting. |
| Filters: | ANSI Class II |
| Relative Flatness Channel To Channel: | ±1.0dB |
| Range Switch: | 5 Position 10dB / step attenuator. |
| Gain Switch: | 0dB or -20dB |
| Weighting: | IEC A, C and FLAT. |
| Decay Rate @ 500Hz: | [email protected]/s, Fast@18dB/s, Hold-short duration display freeze. |
| Power Requirements: | Batteries - Eight AA alkaline or nicad. |
| | External - 12Vdc @ 240mA via 2.5mm jack. |
| Size (W x H x D): | 3¼" x 8" x 2¼" |
| Weight: | 12 oz. |
| Case Material: | High impact ABS |
| Approvals: | CE, RoHS and WEEE |
| | Emissions: - EN 55022 B - FCC Class B |
| | Immunity: - EN 55024 B |
