Sound Level Meter
Application
It is used to measure the sound pressure level , is suitable for detecting near-ear toys, rattle toys, squeeze toys, gunpowder cap toys, other hand-held toys, stationary or self-driven desktop and ground toys, dragging toys, hand-starting clockwork toys and hands The sound of a rocking toy is loud to prevent excessive sound from damaging the child's hearing.
Technical Parameters
Frequency weighting characteristics A (simulated human ear) & C (mechanical self noise)
Time characteristic selection fast/slow reaction rate
Microphone 1/2" condenser microphone; AC/DC signal output; maximum lock
Overload display OVER / UNDER symbol indication; low power display; automatic shutdown / cancel automatic shutdown
Packing method PP box + color box
Product net weight 308 grams (with battery)
| Measurement range | 30~130 dBA, 35~130 dBC |
| Accuracy | ±1.5 dB |
| Digital & Resolution | 5 Bit & 0.1 dB |
| Frequency response | 31.5Hz ~ 8.5KHz |
| Measuring gear | 30~130, 40~90, 50~100, 60~110, 80~130 |
| Sampling frequency | 2 times / sec |
| Power supply | 1.5V AA battery 4 or DC 6V 100mA DC power supply |
| Dimension | 256*70*35 mm |
Testing Standards
ASTM F963-2011 4.5, EN71,ISO8124