8855波形记录仪是由日本日置公司（HIOKI）生产的一款高性能存储记录仪。它拥有8个完全隔离的输入通道，采样速度高达20MS/s，最大内存容量可达512MW，能够实现长期存储记录。该设备具备最大8个模拟通道和16个逻辑通道，其中模拟输入通道完全隔离，最大耐压370V。其频率特性为DC～10MHz，±3dB，采样速度最大20MS/s。此外，8855波形记录仪还配备了缩放及滚动波形功能，可放大和缩小显示，方便用户观察波形细节。它还具备标准LAN/SCSI接口，便于数据传输和设备连接。该记录仪的显示和记录功能强大，可选配10.4英寸TFT彩色LCD显示屏，还可配备216mm×30m的卷装热敏记录纸。其电源供应为AC 100～240V(50/60Hz)，最大180VA，体积为275宽×285高×170厚mm，重量为6.3kg。8855波形记录仪还具备多种实用功能，如定标、波形判断、波形处理计算、波形参数计算、内存分区、波形缩放显示、时钟、光标读值和输入注释等。

The 8855 waveform recorder is a high-performance storage recorder produced by HIOKI of Japan. It features 8 fully isolated input channels, a high sampling rate of up to 20MS/s, and a maximum memory capacity of 512MW for long-term storage. The device has a maximum of 8 analog channels and 16 logic channels, with the analog input channels being fully isolated and having a maximum voltage tolerance of 370V. The frequency characteristics of the 8855 waveform recorder are DC to 10MHz, ±3dB, with a maximum sampling speed of 20MS/s. Additionally, it is equipped with zoom and scroll waveform functions that allow for magnification and reduction of the display, facilitating detailed waveform observation. The recorder also features standard LAN/SCSI interfaces for convenient data transfer and device connection. The display and recording functions of the 8855 waveform recorder are powerful, with an optional 10.4-inch TFT color LCD screen and the capability to be equipped with 216mm×30m thermal recording paper. Its power supply is AC 100～240V(50/60Hz), with a maximum power consumption of 180VA. The dimensions are 275mm wide×285mm high×170mm thick, and it weighs 6.3kg. The 8855 waveform recorder also has a variety of practical functions, such as calibration, waveform judgment, waveform processing and calculation, waveform parameter calculation, memory partitioning, waveform zoom display, clock, cursor reading, and input annotation.