VA8080 Sound level meter

VA8080 Sound level meter The Sound Level Meter has been designed to measure sound level for various environments. It is used to detect noise, music level or sound engineering... SPECIFICATIONS: Standard applied: IEC651 Type2, ANSI S1.4 Type 2 Frequency range: 31.5Hz~ 8KHz Measuring range: 30? 60dB, 50? 80dB, 70? 100dB, 90? 120dB Frequency weighting: A Type Digital display: 4 digitals Resolution: 0.1 dB. Accuracy: 30~ 60dB 3 dB; 60~ 120dB 2 dB Time response: Analog bar: 125ms ; Digital : 750ms Operating temperature: 0~ + 40 Operating humidity: 10 ~ 80% RH FEATURES: automatic ranging / manual ranging selection. Analog bar indicator. Frequency weighting A Type. Range display. Automatic shutdown / continuous working mode selection. Low battery voltage indication. Sound OVER or UNDER display. Software calibrating to insure high reliability. Good circuit designed to save power. Small volume , large LCD. Low power consume Complete with pouch case Power supply: DC1.5V ( AAA) x 3pcs