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Free shipping 70pcs/lot Digital Sound Noise Level Meter Tester Decibel Pressure Wholesale

Free shipping 70pcs/lot Digital Sound Noise Level Meter Tester Decibel Pressure Wholesale

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Digital Sound Noise Level Meter Tester Decibel Pressure

Features: This Digital Sound Level Meter is an instrument to measure Sound Pressure Level in decibels (dB). This meter is featured with wide measuring range (40 ~ 130 dB) Bar-Graph Indication A/C frequency weighting Fast / Slow response and Maximum Hold function. The meter also provides a windscreen to filter-out unwanted signals. Moreover the meter can connect to PC for Data Logging with optional USB cable. This is a portable easy to use and handy instrument for sound quality control in office home school and construction site. The meter has wide range of applications such as noise pollution studies research and other industrial use. Size (Approx):23.5 x 7.0 x 3.0cm Wide measuring range 40~130dB (decibels) Two equivalent weighted sound pressure levels A and C Fast and Slow dynamic characteristics modes Max locked function has the maximum value after the stent-in-one unique easy to use AC Analog Signed Output for frequency analyzer level recorder or X-Y axis FFT analyzer graphic recorder etc. to do statistical analysis of data logger Auto power off function Low battery indicator Overload prompts Portable easy to use and handy Instantaneous sound measure function Tripod Mounting option Passed the high standards of IEC651 TYPE 2 & ANSI S1.4 TYPE 2 for sound level meters Specification: Sound Level: 40 ~ 130 dB With Level Selecting Button Switches level 1: 40 ~ 70dB level 2: 60 ~ 90dB level 3: 80 ~ 110dB level 4: 100 ~ 130dB level 5: 40 ~ 130dB Accuracy: 2dB (under reference condition) Measuring Level: 40~130dBA 40~130dBC Frequency Range: 31.5 Hz ~ 8.5 kHz Linearity/Dynamic Range: 30dB Frequency weighting: A and C features Digital LCD: 45 x 35mm with 4 digits Resolution: 0.1dB Display: 0.5 secretary Sampling Rate: 2 times/second Dynamic Characteristic (Time weighting): FAST (high speed) / SLOW (low speed) 1 bar graph represents 1dB in the Analog Bar Graph Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS Level Ranges: 40 ~ 70dB 60 ~ 90dB 80 ~ 110dB 100 ~ 130dB 40 ~ 130dB Load indication: Use the symbol OVER (indicating over range) and UNDER (indicating less than lower limit of the range) AC output: 0.707 Vrms at FS output impendance aprrox. 600? Microphone: 1/2 inch electret condenser microphone Maximum Hold Power Supply: 6F22 9V alkaline cells/battery or DC 9V 100mA (not included) Package: 1 x Sound Level Meter 1 x Sponge Ball 1 x User Manual

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