| Applicable standards | IEC Pub 60651 Type2 , ANSI S1.4 Type 2 | 
| Digital display | 4 digital LCD,0.1 dB resolution ,updated every 0.5s | 
| Measurement Level | 30dB to 130dB | 
| Measurement Frequency range | 31.5 Hz to 8KHz | 
| Frequency Weighting | A and C | 
| Time weight | Fast and Slow | 
| Microphone | 1/2 inch Electret condenser microphone | 
| Measurement level range | 6 ranges in 10-dB step : 20~80dB, 30~90dB, 40~100dB, 50~110dB, 60~120dB, 70~130dB | 
| Quasi-analog bar indicator | 1-dB steps, 60dB display range, updated every 0.125s | 
| Display Warning function Overrange indicator Underrange indicator | Displayed at the upper limit Displayed at the lower limit | 
| Manual data memory capacity | 99 sets | 
| 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 50 hours | 
| Operating temperature, humidity | 0 ℃ ~ 50 ℃ (32 ℉ ~122 ℉ )R.H.<80% non-condensing -10 ℃ ~60 ℃ (14 ℉ ~140 ℉ )R.H.<70% non-condensing | 
| Dimensions | 258 (L)×68(W)×27(H)mm | 
| Weight | Approx. 310g | 
| Accessories | Instruction manual, Battery, Adjustment screwdriver, Wind shield | 

 
 


