NTi Audio XL3 声级计获葡萄牙型式批准
XL3 receives Type Approval in Portugal
NTi Audio 的 XL3 声级计获得葡萄牙质量研究院 IPQ 的官方型式批准，按 IEC 61672 认定为 1 级积分平均声级计，并符合葡萄牙法定计量的相关要求。该批准适用于 XL3 搭配 M2340 麦克风链的组合，覆盖等效连续声级 Leq、最大声级 Lmax、声压级 SPL、峰值声级 Lpeak 和声暴露级 LAE，以及自由场和扩散场测量。
来源：NTi Audio 新闻 新闻稿 · 原文
The XL3 Sound Level Meter has received official Type Approval in Portugal from the Instituto Português da Qualidade (IPQ). The approval covers the XL3 as a Class 1 integrating sound level meter in accordance with IEC 61672 and the applicable requirements of legal metrology in Portugal.
The approval applies to the XL3 in combination with the M2340 microphone chain and covers key acoustic measurement quantities including equivalent continuous sound level (Leq), maximum sound level (Lmax), sound pressure level (SPL), peak sound level (Lpeak) and sound exposure level (LAE), as well as free-field and diffuse-field measurements.
For inquiries regarding the XL3 in Portugal, please contact https://www.nti-audio.com/en/contact?_country_selection=portugal
来源：NTi Audio 新闻 · nti-audio.com