Our noise meter / sound meter records and visualizes sound levels in the range from 30 to 130 dB. It offers three manual measuring ranges as well as an automatic measuring range mode. When switched on, the automatic mode with a range of 30 to 130 dB is activated by default, while the manual ranges are 30 to 90 dB, 50 to 110 dB and 70 to 130 dB.

Feature :

- Measuring range from 30 ... 130 dB
- Auto and manual range mode for selection
- Measurement functions: HOLD, MIN, MAX
- Time weighting F and S
- Frequency weighting A and C
- Automatic switch-off
- LC display 2.8"

Sound Level Meter 325 | 聲音計

Sound level
Measurement range	30 dB ... 90 dB
Resolution	0.1 dB
Accuracy	±1.5 dB (at reference conditions of 94 dB and 1 kHz)

Sound level
Measurement range	50 dB ... 110 dB
Resolution	0.1 dB
Accuracy	±1.5 dB (at reference conditions of 94 dB and 1 kHz)

Sound level
Measuring range	70 dB ... 130 dB
Resolution	0.1 dB
Accuracy	±1.5 dB (at reference conditions of 94 dB and 1 kHz)

Measurement functions	MIN, MAX, HOLD
Time evaluation	fast (125 ms), slow (1 sec.)
Frequency	31.5 ... 8000 Hz
Frequency rating	A, C
Display type	LCD
Display refresh rate	500 mS
Microphone type	Electret condenser
Interface	Micro-USB
Standard(s)	IEC 61672-1 (Class II)
Automatic switch-off	3 min
Automatic switch-off can be deactivated	yes
Menu language	English
Protection class (device)	IP52
Power supply	5V DC
Weight	307 g
Dimensions (L x W x H)	248 x 90 x 35 mm
Operating conditions	-10 ... 50 °C , 0 ... 80 % r.H
Storage conditions	-20 ... 50 °C , 0 ... 80 % r.H
Capacity	2500 mAh

Sound Level Meter 325 | 聲音計

Sound Level

Tech Specs