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Digital Sound Pressure Level Meter 30~130 dB Decibel USB Noise Measurement, US $1300 – Picture 0
Digital Sound Pressure Level Meter 30~130 dB Decibel USB Noise Measurement, US $1300 – Picture 1
Digital Sound Pressure Level Meter 30~130 dB Decibel USB Noise Measurement, US $1300 – Picture 2
Digital Sound Pressure Level Meter 30~130 dB Decibel USB Noise Measurement, US $1300 – Picture 0
Digital Sound Pressure Level Meter 30~130 dB Decibel USB Noise Measurement, US $1300 – Picture 1
Digital Sound Pressure Level Meter 30~130 dB Decibel USB Noise Measurement, US $1300 – Picture 2

Digital Sound Pressure Level Meter 30~130 Db Decibel Usb Noise Measurement

US $1300

  • 123899, China
  • Jan 29th
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 Digital Sound Pressure Level Meter 30~130 dB Decibel USB Noise Measurement                             Features: Able to connect to PC with USB and insert SD card one years data memory Easy to carry, and may log data any time This unit was designed according to IEC651 TYPE 2 & ANSI S1.4 TYPE2 for sound level meters. Accuracy: +1.5dB Measuring range: 30~130dBA or 35~130dBC Frequency weighting: A and C Time weighting: Fast &slow AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc. The meter can be connected PC with USB Turn on the Calibrator and adjust the Protentio meter inside the battery compartment of the unit, until the LCD display the desired level 94.0dB.                             Name and function: Electret Condenser Microphone. LCD Display. Power switch. level range control switch:30~80dB, 40~90dB,  50~100dB,60~110dB ,70~120dB,80~130dB,30~130dB Maximum value hold switch.(MAX) Equivalent weight select switch: A: A- weighting for general sound level measurements C: C- weighting for checking the low frequency content of noise.           Specifications: LCD display: 4 digits LCD size: 2.2 inch (55 mm) Display: 0.5 secretary Measuring Level: 30 ~ 130 dB(A) (A-weighted decibels), 35 ~ 130 dB(C) (C-weighted decibels) Accuracy: ±1.5 dB Frequency Response: 31.5 Hz ~ 8.5 kHz Resolution: 0.1 dB Sound Level: 30 ~ 130 dB with Level selecting button switches: Level 1: 30 ~ 80 dB Level 2: 50 ~ 100 dB Level 3: 60 ~ 110 dB Level 4: 80 ~ 130 dB Level 5: 30 ~ 130 dB Dynamic Range: 50 dB / 100 dB Overload Indication: OVER / UNDER Frequency Weighting Characteristic: A / C Analog Bar Graph: 1 dB / 1 bar graph Sampling Rate: 20 times / second PWM Signal Output: duty cycle = 0.01 x dB value x 100% / 3.3 Dynamic Characteristic (Time weighting): FAST(high speed) / SLOW(low speed) Calendar Accuracy: ±30 seconds / day The Maximum Value Holding: MAX Microphone: 0.5 inch polarization capacitance microphone Power Supply: 4 x 1.5V AA battery (not include)or USB Cable Power Life: about 20 hours continuous use (alkaline battery) Operating Temperature: 0 ~ 40 °C (32 ~ 104 °F) Operating Humidity:

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