Feature: Conformed to the IEC 651 Type 2 and ANSI S1.4 Type 2 set standard. Instantaneous Sound Measure Function. Wide Measuring Range: 40 ~ 130 dB. With 2 equivalent weighted sound pressure levels A and C. Fast and Slow dynamic characteristic modes. AC signed output for frequency analyzer level recorder, FFT analyzer and graphic recorder. Equipped with sponge ball to filter noise or unwanted signal. Bar graph indication for Sound Level Range. Large LCD screen with 4 digits reading. With Tripod mounting on the back of the unit for field use. USB functionality can be extended. Portable, easy to use and handy instrument for sound quality control in office, home, school and construction site.
Specifications:
Sound Level: 40 ~ 130 dB with Level selecting button switches Level 1: 40 ~ 70 dB Level 2: 60 ~ 90 dB Level 3: 80 ~ 110 dB Level 4: 100 ~ 130 dB Level 5: 40 ~ 130 dB Accuracy: ±2dB Frequency Range: 31.5 Hz ~ 8.5 kHz Linearity Range: 30 dB Measuring Level: 40 ~ 130 dB(A) (A-weighted decibels), 40 ~ 130 dB(C) (C-weighted decibels) Frequency Weighting: A, C LCD display: 4 digits Display: 0.5 secretary Resolution: 0.1 dB Bar graph: 50 dB scale at 1 dB step for monitoring current sound pressure level display period: 50 mS Over range indication: Under indication less than lower limit of the range AC output: 0.707 Vrms at Full Scale output impedance approx. 600 Ω Time weighting: Fast/Slow Microphone: 1/2 inch electret condenser microphone Max: Maximum hold Power Supply: 9V 6F22 Battery or DC 9V 100mA (battery and power adapter NOT included) Operating Temperature: 0 ~ 40 °C (32 ~ 104 °F) Operating Humidity: 10 ~ 70 % R.H. Storage Temperature: -10 ~ 50 °C (14 ~ 122 °F) Storage Humidity: 10 ~ 80 % R.H. Dimensions: Approx. 235 * 70 * 30mm Item weight: 207g Package size: 260 * 126 * 7.6mm Package weight: 328g

Package including: 1 * Sound Level Meter 1 * Sponge Ball 1 * User Manual