Digital sound level meter with 94dB sound calibrator and carrying case This Extech 407732-KIT Type 2 Sound Level Meter Kit 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 130 dB in 2 ranges and has an accuracy of ±1.5 dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Includes plastic carrying case for meter and calibrator. With NIST Calibration.