8855波形記錄儀是由日本日置公司（HIOKI）生產的一款高性能存儲記錄儀。它擁有8個完全隔離的輸入通道，采樣速度高達20MS/s，最大內存容量可達512MW，能夠實現(xiàn)長期存儲記錄。該設備具備最大8個模擬通道和16個邏輯通道，其中模擬輸入通道完全隔離，最大耐壓370V。其頻率特性為DC～10MHz，±3dB，采樣速度最大20MS/s。此外，8855波形記錄儀還配備了縮放及滾動波形功能，可放大和縮小顯示，方便用戶觀察波形細節(jié)。它還具備標準LAN/SCSI接口，便于數(shù)據(jù)傳輸和設備連接。該記錄儀的顯示和記錄功能強大，可選配10.4英寸TFT彩色LCD顯示屏，還可配備216mm×30m的卷裝熱敏記錄紙。其電源供應為AC 100～240V(50/60Hz)，最大180VA，體積為275寬×285高×170厚mm，重量為6.3kg。8855波形記錄儀還具備多種實用功能，如定標、波形判斷、波形處理計算、波形參數(shù)計算、內存分區(qū)、波形縮放顯示、時鐘、光標讀值和輸入注釋等。

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.