Physical oceanography at CTD site SEPTEMBER-1998-IR72A

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水下温盐深仪（Conductivity, Temperature, Depth，简称CTD）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监测系统。其搭载24赫兹的高分辨率采样方案，采用泵控式温盐导管流动设计，最大工作深度可达10500米（15000磅/平方英寸绝对压力），具备极强的辅助传感器适配灵活性，并配备用于水样采集器控制的调制解调器通信通道。该系统拥有8路12位模数转换（A/D）通道，支持冗余温盐传感器配置或自定义辅助数字输入接口。