صوت سنج WT1357
صوت سنج WT1357
صوت سنج WT1357 ساخت کمپانی WINTACT است که پرتابل و دارای پراب سرخود و دقت و سرعت بالا می باشد. ویژگی های کلی این محصول عبارتند از: بازه اندازه گیری مناسب، نمایش 5 رقم در صفحه، نمایشگر چراغدار و منبع تغذیه 9 ولتی، اندازه گیری همزمان و همچنین ثبت مقادیر ماکسیمم و غیره.
Digital Sound Level Meter WT1357
This equipment has been designed to meet the meas urement requirement of Safety Engineers, Health, Industrial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and
audio system.
Measuring range | 30~130dBA、35~130dBC |
Accuracy | +/- 1.5 dB (under reference conditions) |
Frequency range | 31.5Hz~8.5KHz |
Level range | 30~80,50~100,60~110,80~130, 30~130dB |
Linearity range | 50dB / 100dB |
Frequency weighting | A / C |
Digital Display | 4digits |
Resolution | 0.1dB |
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 |
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 | 1.5V AA alkaline cells or DC 6V 100mA (maximum DC9V) |
Power life | About 30 hours (alkaline battery) |
Self calibration time | 3 s |
Operating condition | 0~40℃，10~85%RH |
Storage condition | -10~40℃，0~70%RH |