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| Brand Name: | WINTACT,BESTONE |
| Model Number: | WT1357 |
| MOQ: | 20 |
| Price: | US$18.50 |
| Delivery Time: | 3-5 working days |
| Payment Terms: | T/T,Western Union |
The appearance design of digital sound level meter is novel, small and portable. The sound level meter is applicable for measurement of noise engineering, quality control, health prevention and various environmental noise, including noise measurement in such various places as factories, offices, transporting routes, families, stereo equipment and other places.
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.
This equipment has the following functions:
| Model | WT1357 |
|---|---|
| Calibration sound source | 94dB@1KHz |
| Measurement range | 30~130 dB(A), 35~130dBC |
| Level range | 30~80,50~100,60~110,80~130, 30~130dB |
| Linearity range | 50dB / 100dB |
| Accuracy | ±1.5dB (Reference sound pressure standard,94dB@1KHz) |
| Resolution | 0.1dB |
| Frequency weighting | A/C |
| Digital Display | 4digits |
| Sample rate | 2 times/second |
| Bar graph | 50 dB scale at 1 dB step for monitoring current sound pressure level display Sample rate: 20times/second |
| Over indication | OVER / UNDER |
| Frequency response | 31.5Hz~8.5KHz |
| AC output | 0.707Vrms at FS output impedance approx. 600 ohm |
| DC output | 10mV/dB, output impendence approx. 100ohm |
| Time weight | FAST / SLOW |
| Microphone | 1/2-inch electret condenser microphone |
| Max | yes |
| Power life | About 30 hours (alkaline battery) |
| Self-calibration time | 3s |
| Operating temperature | 0~40℃ |
| Operating humidity | 10~85%RH |
| Storage temperature and humidity | -10~40℃,0-70%RH |
| Power supply | 4*1.5V AAA batteries or DC 6V 100mA (maximum DC9V) |
| Dimension | 256*70*35mm |
| Weight | 308g (including battery) |
