Description
This unit was designed according to following standards:
A. International electrician committee standard: IEC PUB 651 TYPE2
B. US national standard: ANSI S1.4 TYPE2
1. Measuring range: 30~130 dBA; 35~130 dBC
2. Accuracy: ±1.5 dB
3. Digit & Resolution: 5 digit & 0.1 dB
4. Frequency response: 31.5Hz ~8.5KHz
6. Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
7. Frequency weighting characteristic: A & C
8. Time weighting: FAST/SLOW
9. Sampling rate: 2times/second
10. Microphone:1/2" polarization capacitance microphone
11. AC/DC output
12. Max reading
13. PWM signal output
14. Calendar function
15. 4700 data store with USB interface
16. USB computer interface
17. Analysis software
18. Overload indication: OVER / UNDER
19. Automatic backlight
20. Low battery indication
21. Auto power off
Complaint
