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TSI Quest™SoundPro™SE-DL系列声级计有多种型号，可满足您的声音测量需求。有几种型号具有倍频程分析功能，使您能够进行环境噪声监测和噪声控制评估。

The CEL-620B  features all the same features as the CEL-620A but with the additional function of Octave Band Analysis. Choose either a Class 1 or Class 2 Microphone for precision, the CEL-620B model is used to carry out occupational noise assessments or machinery noise tests...

The CEL-632B Sound Level Meter is the most versatile of meters available; ideal for noise at work applications. The CEL-632B features advanced datalogging functionality, octave band analysis, audio and event capture. The CEL-632B Sound Level Meter has a simple user interface...

The Apex2 Plus offers enhanced performance, ensuring it can handle even the most demanding personal monitoring applications. With a flow rate up to 5L/min, the Apex2 Plus models offers enhanced features like duration timers, Bluetooth connectivity, enabling real-time data and...