This equipment has been designed to meet the measurement requirement of Safety Engineers, Health, Industrial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and audio system.
Digital Sound Level Meter possesses the following features:
1. It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2
2. Accuracy up to ±1.5 dB
3.Measurement range: 30~130 dB
4. Weight A or weight C selection
5. Fast & Slow dynamic characteristic modes.
6. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
7.Auto power off
Measuring range | 30~130dBA、35~130dBC |
Accuracy | ± 1.5 dB (under reference conditions) |
Frequency range | 31.5Hz~8KHz |
Level range | 30~80,50~100,60~110,80~130, 30~130dB |
Frequency weighting | A / C |
Digital Display | 4digits |
Resolution | 0.1dB |
Sample rate | 2 times/second |
Bar graph | Display for 0~30dB: one scale unit denotes 2 dB Forother levels: one scale unit denotes 1 dB |
Over indication | OVER / UNDER |
AC output | 0.707Vrms at FS output impedance approx. 600 ohm |
DC output | 10mV/dB, output impendance approx. 100ohm |
Time weight | FAST / SLOW |
Microphone | 1/2 inch electret condenser microphone |
Max | MAX |
Power supply | 9V battery |
Power life | About 30 hours (alkaline battery) |
Self calibration time | 3s |
Operating condition | 0~40℃,10~80%RH |
Storage condition | -10~60℃,10~70%RH |
Weight | 230g (including battery) |
Dimension | 207*70*29mm |