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Specifications
SKU: BENETECH Sound Level Meter GT1355B
| Calibration sound source | 94dB@1KHz |
| Measurement range | 30~130 dB(A), 35~130dB(C) |
| Accuracy | ±1.5dB(Reference sound pressure standard,94dB@1KHz) |
| Resolution | 0.1dB |
| Frequency weighting | A/C |
| Frequency response | 31.5Hz~8500Hz |
| Time weighting | FAST/SLOW |
| Sampling rate | FAST: 8 times/second SLOW: 1 times/second |
| Rated current | 70mA |
| Standby current | 5uA |
| Power supply | 3.7V lithium battery /1000mAh |
| Charging time | 1.5h |
| Duration of service | 43,000 |
| Microphone | 1/2-inch polarization capacitance microphone |
| Operating temperature | 0~50℃ |
| Operating humidity | 10~80%RH |
| Dimension | 160*56*31mm(Excluding sponge ball) |
| Weight | Approx 114g(Excluding sponge ball) |
DC output: Output the noise value by voltage mode according to proportion
| DC voltage range | 300mV~1300mV |
| DC voltage error | ±5mV |
| DC impedance | 120R |
| DC and noise relationship | Vout= dB x10 Unit: mV (dB: noise value, Vout: DC output voltage) |
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