Extech 407736 [407736-NIST] Dual Range Sound Level Meter with NIST Calibration

Sound level meter with ±1.5dB accuracy meets Type 2 standards
This Extech 407736-NIST Sound Level Meter measures from 35 to 130dB with a 1.5dB accuracy and meets ANSI and IEC Type 2 standards. It features fast/slow response time, A/C Weighting, Max Hold, and analog AC/DC output for connection to an analyzer or recorder.