• WIDE APPLICATION: This sound level meter is suitable for sound quality control in factories, offices, homes, schools, theaters, audio systems and construction sites
• MAIN FUNCTION: With maximum and minimum hold function

Data hold function.

Red backlit alarm and buzzer alarm.

Automatic or manual power off function.

Temperature measurement function.

• 30-130DB: The measuring range is 30-130dB, which is very suitable for measuring sound or noise

(The sound of a normal conversation is 40-60dB).

• HIGH ACCURACY: This sound level meter is a high-sensitivity sensor, fast measurement and more accurate
• CLEAR READING: The product adopts a 4-digit display, which makes the reading data clearer and more convenient

Features

This instrument is a high-precision sound level meter with an accuracy of +/- 1.5dB.

• 1) Measuring range: 30~130db 2) Frequency weighting: A-weighting 3) Max and Min hold function 4) Data storage function

5) Red backlit alarm and buzzer alarm 6) Auto or manual shutdown 7) Temperature measurement function.

• 8) Temperature unit selection ("C i" f)Specifications: Brand: SMART SENSOR Model: ST9604 Measuring range --- --- 30-130dBA Accuracy --- --- ±1.5dB of reference SPLpoint at 94dB at 1KHz Frequency weighting --- --- A weighting Frequency range --- --- 31.5Hz-8.5KHz Sampling rate --- --- 2 times/second Data hold --- --- Maximum and minimum hold Digital display --- --- 4digits Resolution --- --- 0.1dB Temperature measurement range --- --- -10°C ~ 50（14F-122F) Accuracy --- --- ±2 Resolution --- --- 0.1℃ Microphone --- --- 1/2inch electret condenser microphone Power supply --- --- AAA battery X 3 (not included) Package list: 1 * Sound level meter, 1 * Instruction manual