Features
1. Real-time measurement of various environmental noises
2.A/C Frequency weighting selection
3. Fast / Slow Time weigting selection
4. Three-color light alarm
5. Maximum
6. Data HOLD
7. Data storage: 31,000 data record function
8. Data Read(only on PC) and Delete
9. Automatic shutdown for about 10 minutes without button operation
10. Display date and time
11. USB charging and PC communication:Connect with the PC throug
USB, provides data record download, real-time data sampling analysis
and printing graph&data functions.
12. This Sound Level Meter was designed according to following
standards:
a. International electrician committee standard:IEC PUB 651 TYPE2
b. US national standard: ANSI S1.4 TYPE2
Specifications:
1. Calibration sound source: 94dB@1KHz
2. Measurement range : 30- 130dB(A), 35-130dB(C)
3. Accuracy: +/- 1.5dB(reference sound pressure standard,94dB@1KHz)
4. Resolution:0.1dB
5. Frequency weighting: A/C
6. Frequency response: 31.5Hz-8500Hz
7. Time weighting: FAST / SLOW
8. Sampling rate: Fast: 8 times/second; Slow: 1times/second
9. Rated current: 70mA
10. Standby current: 5microamps
11. Power supply: 3.7V lithium battery /1000mAh
12. Charging time: 1.5h
13. Duration of service: 8h
14. Date storage: 31,000
15. Microphone: 1/2 inch polarization capacitance microphone
16. Operating temperature:0-50Celsius
17. Operating humidity: 10-80%RH
18. Dimension: 160x56x31mm(excluding sponge ball)
19. Weight: Approx 126g （excluding sponge ball)
1. Real-time measurement of various environmental noises
2.A/C Frequency weighting selection
3. Fast / Slow Time weigting selection
4. Three-color light alarm
5. Maximum
6. Data HOLD
7. Data storage: 31,000 data record function
8. Data Read(only on PC) and Delete
9. Automatic shutdown for about 10 minutes without button operation
10. Display date and time
11. USB charging and PC communication:Connect with the PC throug
USB, provides data record download, real-time data sampling analysis
and printing graph&data functions.
12. This Sound Level Meter was designed according to following
standards:
a. International electrician committee standard:IEC PUB 651 TYPE2
b. US national standard: ANSI S1.4 TYPE2
Specifications:
1. Calibration sound source: 94dB@1KHz
2. Measurement range : 30- 130dB(A), 35-130dB(C)
3. Accuracy: +/- 1.5dB(reference sound pressure standard,94dB@1KHz)
4. Resolution:0.1dB
5. Frequency weighting: A/C
6. Frequency response: 31.5Hz-8500Hz
7. Time weighting: FAST / SLOW
8. Sampling rate: Fast: 8 times/second; Slow: 1times/second
9. Rated current: 70mA
10. Standby current: 5microamps
11. Power supply: 3.7V lithium battery /1000mAh
12. Charging time: 1.5h
13. Duration of service: 8h
14. Date storage: 31,000
15. Microphone: 1/2 inch polarization capacitance microphone
16. Operating temperature:0-50Celsius
17. Operating humidity: 10-80%RH
18. Dimension: 160x56x31mm(excluding sponge ball)
19. Weight: Approx 126g （excluding sponge ball)