Sell NESTAMP PROFESSIONAL SWIFTLET SOUND DETECTOR FSD-Q5 (RUMAH BURUNG WALET) best price

The FSD-Q5 is an entry-level high frequency sound level meter that is designed for the measurement of swiftlet bird house or workplace noise level. Built-in bright LEDs (Red Blue & Green flashing) alert user when sound level is too high or too low. LEDs can be read from 30m (100ft). Its intuitive design makes it easy for users to measure sound level and help determine the degree of hearing protection required. - Easy to read LEDs display - Lightweight and compact - Adjustable level dB Gain - LEDs bright can be read from 30m (100ft) - Telescopic mount or tripod mount - Low battery indication - Include 9V Alkaline battery and pouch case. - Limit Range: 30 to 130dB - Resolution: 0.1dB - Frequency Range: 31.5Hz to 8KHz - Sensor Type: 27mm (1.1'') piezoelectric mic - Operating Humidity: Less than 80% RH - Power Source: 9V Battery - Low Battery Indication: Red LED flashing - Battery Life: 180hrs continuous (approx.) ; 30days @ 6hrs/day - Dimension: 4.5 x 1.4 x 1.8'' (114x36x45mm) - Weight: 56g LED Alert Level: - Green LED: Flashes when noise measurements are between 30dB and 60dB - Blue LED: Flashes when noise measurements are between 60dB and 90dB - Red LED: Flashes when noise measurements above 130dB