Digital Sound Noise Level Meter 40~130dB Decibel Pressure Tester - LCD Display

Working EnvironmentTemperature: 0~40°C (32~104°F)Humidity: 10~70% RHStorage EnvironmentTemperature: -10~50°C (14~122°F)Humidity: 10~80% RHPower Supply: 6F22 9V alkaline cells/battery or DC 9V 100mA (not included)Dimension: 235 x 70 x 30mmWeight: approx. 380gPackage Includes:1 x Sound Level Meter1 x Sponge Ball or Windscreen1 x 9 V 6F22 Battery1 x Instruction Manual

Feature:1. Wide measuring range 40~130dB (decibels)2. Two equivalent weighted sound pressure levels, A and C3. Fast and Slow dynamic characteristics modes4. Max lockedfunction has the maximum value, after the stent-in-one unique, easy to use5. AC Analog Signed Outputfor frequency analyzer level recorder or X-Y axis, FFT analyzer, graphic recorder, etc. to do statistical analysis of data logger6. Auto power off function7. Low battery indicator8. Overload prompts9. Portable, easy to use and handy10. Instananeous sound measure function11. Tripod Mounting option12. Passed the high standards of IEC651 TYPE 2 & ANSI S1.4 TYPE 2 for sound level metersSpecifications:Sound Level: 40 ~ 130 dB With Level Selecting Button Switches:level 1: 40 ~ 70dBlevel 2: 60 ~ 90dBlevel 3: 80 ~ 110dBlevel 4: 100 ~ 130dBlevel 5: 40 ~ 130dBAccuracy: ±2dB (under reference condition)Measuring Level: 40~130dBA, 40~130dBCFrequency Range: 31.5 Hz ~ 8.5 kHzLinearity/Dynamic Range: 30dBFrequency weighting: A and C featuresDigital LCD: 45 x 35mm with 4 digitsResolution: 0.1dBDisplay: 0.5 secretarySampling Rate: 2 times/secondDynamic Characteristic (Time weighting): FAST (high speed) / SLOW (low speed)1 bar graph represents 1dB in the Analog Bar GraphBar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mSLevel Ranges: 40 ~ 70dB, 60 ~ 90dB, 80 ~ 110dB, 100 ~ 130dB, 40 ~ 130dBLoad 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 microphoneMaximum Hold