This type 2 sound level meter meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems and enforcing noise ordinances. Measures from 35 to 130dB in 2-ranges with accuracy of plus or minus 1.5dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Complete with microphone wind screen and 9V battery. Includes certificate traceable to NIST.