| 1. Portable, nice, easy operation |
| 2. MAX/MIN holding |
| 3. Backlit LCD display |
| 4. Low battery indication |
| 5. Auto power off |
|
Applied standard |
IEC61672-1 CLASS2 |
|
Measuring level range |
30dB ～ 130dB |
|
Operating conditions |
- 20℃～60℃，10％RH～90％RH |
|
Storage conditions |
-20℃～60℃，10％RH～75％RH |
|
Accuracy |
±1.4dB |
|
Resolution |
0.1dB |
|
Frequency range |
31.5Hz ～ 8KHz |
|
Dynamic range |
50dB |
|
Data update |
0.5 second |
|
Frequency weighting |
dBA |
|
Microphone |
1/2 inch electret condenser |
|
Dimension(L*W*H) |
144* 55* 38mm |
|
Weight |
90g |
|
Power supply |
one 9V battery |
|
Accessories |
User's manual, 9V battery,windscreen,carrying box, gift box | |
)
)
