- Is A characteristic / C characteristic switching type of digital sound level meter.
- MAX (maximum value) / MIN (minimum value) with memory function.
- With MAX HOLD function to fix display the maximum value.
Thông số kỹ thuật
| Measurement range |
- A / C characteristic manual range: 40 ~ 70,60 ~ 90,80 ~ 110,100 ~ 130dB
- A characteristic Auto range: 40 ~ 130dB
- C characteristics Auto range: 45 ~ 130dB
|
| resolution |
0.1dB |
| Measurement accuracy |
± 2dB (94dB, at 1kHz) |
| Frequency range |
31.5Hz ~ 8kHz |
| Frequency characteristic |
A, C |
| Time weight characteristics |
- FAST (time constant 125ms)
- SLOW (time constant 1s)
|
| display |
3.5-digit LCD display |
| Use temperature and humidity |
0 ~ + 50 ℃, 80% RH or less (without condensation) |
| Storage temperature and humidity |
-20 ~ + 50 ℃, 90% RH or less (without condensation) |
| Power supply |
Four AAA batteries × |
| Battery life |
About 40 hours (when using alkaline batteries) |
| Size |
W57 × H215 × D30mm
|
| weight |
About 160g |
| accessories |
Manual, windshield screen |
| Proofreading |
Yes |