Brief introduction: HS5633A type sound level meter is a portable pocket noise measuring instrument, the built-in single-chip microcomputer, its performance in accordance with GB/T3785 and IEC61672 standard requirement for 2 levels of sound level meter, it has small volume, light weight, easy to carry, digital display, backlight shows at night, the maximum stay, batteries, and the advantages of ac/dc signal output, is measuring the traffic noise, industry noise, and other various ideal noise monitoring instrument. Technical parameters: 1, the microphone: 1/2 inch (12.7 mm) Ф test electret microphone;Sensitivity: 30mV/Pa; Frequency range: 20Hz ~ 12500hz 2. Measurement range: 35dB ~ 120dB;35dB ~ 90dB (L low range);70dB ~ 120dB(H high range) 3. Frequency range: 20Hz ~ 12500hz 4. Frequency meter weight: A, C 5. Time weight: F (fast) 6. Detector: LMS effective value, the peak factor is greater than or equal to 3 7. Indicator: 2-by-8 character LCD with a resolution of 0.1db. The reading is updated every second. 8. Accuracy level: it meets the requirements of GB3785 and IEC61672 for type 2 machine. 9. Reference sound pressure level: 94dB 10. Reference incidence direction: axial direction of microphone 11. Maximum value: the attenuation rate shall not be greater than 1dB/min 12. Power supply: two no.5 batteries. Can work more than 24 hours continuously. 13. External dimensions: (l * b * h) : 170 * 52 * 24mm 14. Weight: 0.15kg 15, working environment: operating temperature: - 10 ℃ to 50 ℃;Relative humidity: 20% ~ 90%
Brief introduction: HS5633A type sound level meter is a portable pocket noise measuring instrument, the built-in single-chip microcomputer, its performance in accordance with GB/T3785 and IEC61672 standard requirement for 2 levels of sound level meter, it has small volume, light weight, easy to carry, digital display, backlight shows at night, the maximum stay, batteries, and the advantages of ac/dc signal output, is measuring the traffic noise, industry noise, and other various ideal noise monitoring instrument.
