Description
Technical Specifications
Frequency | 31.5Hz to 8KHz |
Noise measurement | 31.5 Hz to 8KHz |
Sampling rate | 125ms,1000ms |
Overload indication | OL |
Max/Min measurement | Max/Min |
Date hold | Hold |
Backlight | Have BL |
Automatic close | 5min |
Low battery prompt | 3 V to3.5V |
Battery | 4.5V, |
Current consumption | ≤40mA, ≤10uA |
Temperature | 32 ℉ to 104℉(0 ℃ to 40 ℃) |