50+ hours without LEDs activated

Low battery indicator

Microphone Omni-directional; Class/Type 2; ½” diameter, electret condenser

Display Digits ¾” (2 cm) with 0.1 dB resolution and 0.5 sec. update rate

Keypad 5 keys including: F/S, A/C, Mode, Run/Stop and Power On/Off

Charging USB cable is provided to charge the instrument with a computer

Standards ANSI S1.4 1983 (R 2006) A NSI S1.43 1997(R 2007) IEC 61672-1 (2002) I EC 61010-1 (2010)

Displayed Data and Status Indicators

Sound Pressure Level (SPL), Average value (LEQ /LAVG), LED Alert (with Hearing Protection icon), Maximum value (MAX), Minimum value (MIN), Run-Time, Overload (OL), and Under-Range (UR)

Linearity Range 45 to 130 dB (Dynamic Range)

Weighting A or C

Time Response Fast or Slow

Exchange Rate (ER) 3 dB or 5 dB