Technical Specifications
| Accuracy | +/-1.5 dB (ref 94 dB @1KHz). |
| Measurement Item | SPL, Leq, SEL, MaxL, MinL. |
| Measurement Level | 30 dB to 130 dB. |
| Measurement Frequency range | 31.5 Hz to 8KHz. |
| Frequency Weight | A and C. |
| Time weight | Fast and Slow, Impulse. |
| Microphone | 1/2-inch Electret condenser microphone. |
| Digital display | 4-digit LCD, 0.1dB resolution, updated every 0.5s. |
| Quasi-analog bar indicator | 4-dB steps, 100dB display range, updated every 100ms. |
| Display Warning function Overrange indicator Under range indicator | Displayed at the upper limit. Displayed at the lower limit. |
| Analog AC / DC output | 2Vrms (at full scale), 10mVDC / db. |
| Power supply | Four 1.5V LR-6/AA size alkaline cell, AC adapter |
| Battery Life | about 28 hours. |
| Humidity | 10 % RH to 90% RH. |
| Operating temperature | 41 °F to 104 °F (5 °C to 40°C) |
| Dimensions | 10.4 in L x 2.8 in x 0.8 in (265 mm x 72 mm x 21mm) |
| Weight | 0.83 lbs. (Approx. 380g) |
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