- Without mounting the battery, it can be measured by turning the power handle. You can use it to switch the "power" and "battery" in the change-over switch.
- IEC61672 compliant with the Class 2
- Accurately measure the noise in the condenser microphone, and digital display. With the dynamic characteristics of the frequency characteristics and FAST / SLOW of A characteristic / C properties, functional.
- You can record a maximum / minimum measured value in the MAX / MIN recording function.
- Auto Range (30 ~ 130dB) function, auto power-off function, data hold function, with peak hold function.
Thông số kỹ thuật
| Measurement range |
30 ~ 130dB (A characteristic / C characteristics) |
| resolution |
0.1dB |
| Measurement accuracy |
± 1.5dB (at 1kHz) |
| sampling |
2 times / sec. |
| Frequency characteristic |
A, C
|
| sensor |
1/2 inch condenser microphone |
| Use temperature and humidity |
0 ~ + 40 ℃, 80% RH or less (without condensation) |
| Storage temperature and humidity |
-10 ~ + 60 ℃, 70% RH or less (without condensation) |
| Power supply |
9V type battery × 1 or dynamo power generation |
| Battery life |
About 40 hours (when using alkaline batteries) |
| Dimensions and weight |
W70 × H250 × D40mm, about 387g (including battery) |
| accessories |
instruction manual |
| Proofreading |
Yes
|