Product Features:
1. The product appearance is beautiful and exquisite, convenient to carry
2.LCD backlit disy, digital disy at a glance
3. Sampling rate can be "fast/slow" free conversion
4. Maximum value, minimum value, data retention
5. Automatic shutdown, overload indication
6. The Japanese TOREX LDO voltage stability control technology is adopted, and the product power consumption is lower
7. Can withstand one meter landing impact
8. Secondary pollution level
| Function | The range of | Resolution | Accuracy |
| Noise measurement (A weighted) | 30～130dB | 0.1dB | ±1.5dB |
| Sampling rate | FASH |
|
125 milliseconds |
| SLOW |
|
1000 milliseconds | |
| Overload indication |
|
|
OL |
| Maximum measurement |
|
|
MAX/MIN |
| Data retention |
|
|
HOLD |
| Backlight |
|
|
There is |
| Automatic shutdown |
|
|
Five minutes |
| Low power warning |
|
|
3.0～3.5V |
| Battery |
|
|
4.5V |
| Consumption current | Work | mA | ≤40mA |
| Shut down | uA | ≤10uA | |
| Work环境 | Temperature |
|
0～40℃ |
| Humidity |
|
≤80%RH | |
| Storage environment | Temperature |
|
-20℃～60℃ |
| Humidity |
|
≤75%RH | |
| 按键Function | |||
| ON/OFF | 开Shut down键：短按一次开启或关闭产品电源. | ||
| MAX/MIN | Maximum and minimum value measurement key: short press the key: cyclic disy; MAX/MIN/ normal; Measuring state. | ||
| FAST/SLOW | Sampling rate选择键：短按该键：125 milliseconds快速采样与1秒慢速采样选择. | ||
| HOLD/BL | Data retention/Backlight键：短按：保持和释放数据;长安：Backlight开启或关闭 | ||
