Type 2 to IEC 60651, IEC 60804 and ANSI S1.4. IEC 61672-1:2003 Class 2. Simultaneous Leq, SPL, Lmax,  and Peak, Ln's. "A", "C" and "Z" (flat from 10 Hz to 20 kHz ± 1.5 dB) frequency weightings on channel 1, "C" on channel 2 for simultaneous Peak measurements. RMS "Fast" and "Slow" time weightings. Clear graphical display with backlight. Rugged cast aluminum case Seven Measurement ranges, covering: 25 to 140 dB(A), Peak 143 dB(C) Noise floor 20 dB(A) Powered by two AA cell batteries. Dimensions: 11.8" x 2.9" x 0.9", 15.8 ounces 300mm x 75mm x 25mm, 450g Measurements stored for display or transfer to computer using the software provided.

This integrating sound level meter is designed to suit almost all occupational noise measurement applications. With its measurement functions (in particular Fast/Slow Sound Level, Leq and Peak), Type 2 specification, large display and ease of use it meets the requirements of most national regulations.