The TRIPLETT SLM400-KIT Sound Level Meter with Calibrator Kit can be used to test and verify sound levels for worker safety (OSHA)， community noise ordinances， night clubs/concerts， airports， mines， athletic events， construction sites， vehicle testing， wind farms， new product noise reduction and other applications. The Sound Level Meter meets IEC 61672-1 type 2， ANSI S1.4 Type 2 with minus or plus 1.5 dB accuracy. It features a 35 dB to 130 dB range plus A and C weighting with selectable fast/slow response time. The calibrator fits 1/2 in. Dia microphones and has selectable 94 dB and 114 dB output with minus or plus 0.5 dB accuracy. Calibrator output frequency is minus or plus 4% at 1 kHz. The kit includes Type2 Sound Level Meter with 9-Volt battery and windscreen plus Sound Level Calibrator with 9-Volt battery and hard carrying case.

Meets IEC 61672-1 type 2， ANSI S1.4 type 2

35 dB to 130 dB over 2 ranges

Plus or minus 1.5 dB accuracy

And C weighting with selectable fast/slow response time

Calibrator with selectable 94 dB and 114 dB output at 1 kHz

Fits 1/2 in. Dia microphones

Output frequency plus or minus 4% at 1 kHz with plus or minus 0.5 dB accuracy