DT805声级计是由CEM华盛昌公司生产的一款专业噪音测量仪器。它具有宽广的测量范围，低频段为30dB到100dB，高频段为60dB到130dB，能够满足多种环境下的噪音测量需求。该声级计采用高精度电容式麦克风，测量精度高，分辨率达到0.1dB，在94dB时的测量误差仅为±1.5dB。

DT805声级计具备A/C声级频率计权和快/慢速时间计权常数设置，可适应不同的测量场景。它还拥有数据保持和最大值保持功能，方便用户记录和分析测量数据。此外，该声级计设计小巧便携，尺寸为210×55×32毫米，重量仅230克，便于携带和操作。其外观设计新颖，带有全景背光，便于在不同光照条件下读取数据。

在价格方面，DT805声级计在南北潮商城的售价为538元/台，在1688平台上，其价格也有类似的区间。CEM华盛昌作为一家专业的仪器制造商，致力于为用户提供高质量、高性能的测量工具，DT805声级计凭借其出色的性能和合理的价格，成为了众多用户在噪音测量领域的理想选择。

The DT805 sound level meter is a professional noise measurement instrument produced by CEM华盛昌. It features a wide measurement range, with the low-frequency band covering 30dB to 100dB and the high-frequency band from 60dB to 130dB. This makes it suitable for noise measurement in various environments. The device is equipped with a high-precision capacitive microphone, ensuring high measurement accuracy with a resolution of 0.1dB and an error margin of only ±1.5dB at 94dB.

The DT805 sound level meter offers A/C sound level frequency weighting and fast/slow time weighting constant settings, which can be adapted to different measurement scenarios. It also comes with data hold and maximum value hold functions, facilitating the recording and analysis of measurement data. Moreover, the device is designed to be compact and portable, with dimensions of 210×55×32 mm and a weight of only 230 grams, making it easy to carry and operate. Its novel appearance with a panoramic backlight allows for easy reading of data under different lighting conditions.

In terms of pricing, the DT805 sound level meter is available for 538 yuan per unit on the North and South Tide Mall, and similar price ranges can be found on the 1688 platform. CEM华盛昌, as a professional instrument manufacturer, is committed to providing users with high-quality and high-performance measurement tools. The DT805 sound level meter, with its excellent performance and reasonable price, has become an ideal choice for many users in the field of noise measurement.