DT8891E专业温度表是由深圳市华之慧实业股份有限公司生产的高精度温度测量仪器。该产品采用K型热电偶和红外线温度探测仪作为传感器，提供0.1℃/0.1℉的高分辨率温度测量。它具备四通道K型热电偶测温和红外测温功能，可同时测量多个点的温度。

该温度表配备了大液晶背光显示屏，即使在光线较暗的环境中也能清晰读取数据。它能够显示最大值、最小值和平均值，方便用户进行数据记录和分析。此外，每个通道可以保存18,000个数据记录，通过USB接口可将数据传输至电脑进行进一步分析。

DT8891E专业温度表广泛应用于电力设施故障诊断、科研实验温度监控、企业生产与存储的温度检测和监控等领域。其自动关机功能可延长电池寿命，确保长时间使用。目前，该产品的价格在1480元人民币左右。

The DT8891E professional thermometer is a high-precision temperature measuring instrument produced by Shenzhen Hua Zhi Hui Industrial Co., Ltd. This device uses K-type thermocouples and infrared temperature sensors to provide temperature measurements with a high resolution of 0.1℃/0.1℉. It features four-channel K-type thermocouple temperature measurement and infrared temperature measurement, allowing for simultaneous temperature readings at multiple points.

The thermometer is equipped with a large LCD backlight display, ensuring clear visibility of data even in low-light conditions. It can display maximum, minimum, and average values, facilitating data recording and analysis for users. Moreover, each channel can store up to 18,000 data records, and the USB interface allows for data transfer to a computer for further analysis.

The DT8891E professional thermometer is widely used in various fields, including power facility fault diagnosis, temperature monitoring in scientific research experiments, and temperature detection and monitoring in enterprise production and storage. Its auto-shutoff function helps extend battery life, ensuring long-term use. Currently, the price of this product is around 1480 RMB.