Technical Specifications
| Applicable standards | IEC Pub 651 Type2, ANSI S1.4 Type 2 |
| Accuracy | +/- 1.5 dB (ref 94dB @1KHz) |
| Digital display | 4 digital LCD |
| Measurement Level A weighting | 30 dB to 130dB |
| Measurement Level C weighting | 35 dB to 130dB |
| Level Range | 30dB to 80dB, 50 dB to 100dB, 60 dB to 110 dB, 80 dB to 130dB |
| Measurement Frequency range | 31.5 Hz to 8KHz |
| Frequency Weight | A and C |
| Time weight | Fast and Slow |
| Microphone | 1/2-inch Electret condenser microphone |
| Digital display | 4-digit LCD, 0.1dB resolution, updated every 0.5s |
| Quasi-analog bar indicator | 1-dB steps, 50dB 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 20 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 | 0.68 lbs. (Approx. 310g) |
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