- International Standard IEC 61672-1 compliant.
- Equipment and digital display that can check your measurements instantly, rate-of-change of the measured value of the analog display that can be recognized instantly in the graph.
- You can display the maximum or minimum value of the measurement. When the value exceeds the analog range the measured value has been set, "OVER", below and equipped with an alert function to display the "UNDER".
Thông số kỹ thuật
| Frequency characteristic |
A characteristic / C properties |
| Measurement range |
32.0 ~ 130.0dB |
| Frequency range |
20Hz ~ 8kHz |
| Accuracy |
± 1.4dB (94dB, at 1kHz) |
| display |
Digital (4-digit) |
Analog (bar graph) |
| resolution |
0.1dB |
2dB |
| sampling |
2 times / sec. |
5 times / sec. |
| Analog range |
- |
- Lo: 30 ~ 90dB
- Med: 50 ~ 110dB
- Hi: 70 ~ 130dB
|
| Time weight characteristics |
- FAST (time constant 125ms)
- SLOW (time constant 1s)
|
| Use temperature and humidity |
0 ~ + 40 ℃, 10 ~ 90% RH or less (without condensation) |
| Storage temperature and humidity |
-10 ~ + 60 ℃, 10 ~ 75% RH or less (without condensation, without batteries) |
| Size |
W55 × H258 × D25mm (except for the windshield sponge) |
| weight |
About 200g (including the battery)
|
| Power supply |
One 9V type battery × |
| Battery life |
About 40 hours (when using alkaline batteries) |
| accessories |
Manual, windshield sponge, storage case |
| Proofreading |
Yes |
| Adaptation standard |
IEC61672-1 Class2 compliance |