Features:

• Conformed to the IEC 651 Type 2 and ANSI S1.4 Type 2 set standard
• Wide Measuring Range: 40 ~ 130 dB
• With 2 equivalent weighted sound pressure levels A and C
• Fast and Slow dynamic characteristic modes
• Bar graph indication for Sound Level Range
• Maximum hold function
• Large LCD screen with 4 digits reading
• MAX/MIN QUASI-ANALOG BAR INDICATOR
• Fast & Slow response selectable
• Low battery indicator
• Measuring Level: 40~130dBA, 40~130dBC
• Accuracy: ±2 dB
• Frequency Range: 31.5 Hz to 8.5k Hz
• Linearity Range: 50dB
• Frequency Weighting: A, C
• Digital Display: 4 digits
• Resolution: 0.1dB
• Display: 0.5 secretary
• Analog Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS
• Overload indication: Under indicate less than lower limit of the range
• AC output: 0.707 Vrms at FS output impedance approx 600?
• DC output: 10 mV / dB output impedance approx 100?
• Dynamic Characteristic (Time weighting): FAST (high speed) / SLOW (low speed)
• Microphone: 1/2 inch electret condenser microphone
• Max: Maximum hold
• Power Supply: 9V alkaline battery(not included) or DC 9V 100mA
• Operating Environment: 0°C to 40°C , 10% to 70% RH
• Storage Environment: -10°C to 50°C , 10% to 80% RH
• Dimensions: 235 x 70 x 30mm (LxWxH)
• Weight: approx 380g
• Note: As an option, the meter can be connected to PC with the package included USB cable, so you can view the online test, real time data measurement curve diagram and data input/output (the meter be connected to PC should install battery)
• Size: 245*70*35mm