Applicable Standards | IEC 61672 – 1 : 2013 Class 2, ANSI S1.4 : 1983 Type 2 |
Accuracy | ±1.0dB(在參考音壓94dB@1kHz) |
Microphone | 1/2英吋極化電容式麥克風 |
Level A weighting | 30dB~130dB |
Level C weighting | 35dB~130dB |
Level Range | 30~80dB,50~100dB,60~110dB,80~130dB |
Measurement Frequency Range | 31.5Hz~8KHz |
Frequency Weight | A and C |
Time Weight | Fast and Slow |
Digital Display | 4位數,每一刻劃代表1dB,取樣率為20次/秒 |
過載指示 | 「OVER」、「UNDER」符號表示 |
AC/DC信號輸出 | 0.707Vms/每檔滿刻度,10Mv/dB |
Power Supply | 4顆1.5V 3號電池或直流6V 100mA電源轉換器 |
Battery Life | 約30小時(鹼性電池) |
Operating Environment | 0℃~40℃,10%~80%RH |
Dimension | L265 × W72 × H35 mm |
Weight | 358 g |
Accessories | 使用手冊、電池、手提攜帶盒、調整棒、海綿球、耳機插頭 |