Physical oceanography at CTD site SEPTEMBER-1998-IR09A

The 911plus, consisting of the 9plus underwater CTD and 11plus V2 Deck Unit, is a premium real-time CTD accurate to the highest international standards. It features high resolution sampling (24 Hz), pump-controlled T-C ducted flow, up to 10500 meter (15,000 psia) depth capability, maximum auxiliary sensor flexibility, and modem channel for Water Sampler control. The 911plus has eight 12-bit A/D channels, and supports redundant C&T sensors or custom auxiliary digital inputs.911plus系统由9plus水下CTD（Conductivity-Temperature-Depth，电导率-温度-深度传感器）与11plus V2甲板单元组成，是一款符合最高国际精度标准的高端实时CTD测量系统。该系统支持24赫兹的高分辨率采样，采用泵控T-C导管流设计，最大作业水深可达10500米（15000磅/平方英寸，psia），具备极强的辅助传感器扩展灵活性，并配备用于水质采样器控制的调制解调器通道。911plus系统搭载8路12位A/D（Analog-to-Digital，模数转换）通道，可支持冗余的温盐传感器或自定义辅助数字输入。