Study on dynamic characteristics of SBE18 pH sensor

LI Dong; LIAO He-qin; TIAN Yu

doi:10.13873/J.1000-9787(2015)10-0018-04

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Study on dynamic characteristics of SBE18 pH sensor

更新时间：2025-09-11

- Study on dynamic characteristics of SBE18 pH sensor
- Vol. 34, Issue 10, Pages: 18-21(2015)
- 作者机构：
  
  1. 天津大学电气与自动化工程学院
  2. 国家海洋技术中心海洋测量传感器技术研究室
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)10-0018-04
  CLC： TP212
- Published：2015
- 稿件说明：
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[1]李冬,廖和琴,田雨.SBE18 pH传感器动态特性研究[J].传感器与微系统,2015,34(10):18-21.

LI Dong, LIAO He-qin, TIAN Yu. Study on dynamic characteristics of SBE18 pH sensor[J]. 2015, 34(10): 18-21.
[1]李冬,廖和琴,田雨.SBE18 pH传感器动态特性研究[J].传感器与微系统,2015,34(10):18-21. DOI： 10.13873/J.1000-9787(2015)10-0018-04.

LI Dong, LIAO He-qin, TIAN Yu. Study on dynamic characteristics of SBE18 pH sensor[J]. 2015, 34(10): 18-21. DOI： 10.13873/J.1000-9787(2015)10-0018-04.

摘要

为测量SBE18 p H传感器的动态响应

提出了传感器动态模型参数求取方法

比较了不同模型的适应性

选定二阶系统模型作为传感器动态模型。流速和p H梯度变化方向是影响传感器动态特性的两个重要因素

求取了不同流速和p H梯度变化方向下传感器动态模型参数

并分析了这两个因素对动态模型参数的影响规律。

Abstract

To measure dynamic response of SBE18 p H sensor

a method for calculating parameters of sensor dynamic model is proposed

adaptability of different models are compared

and second-order system model is selected as dynamic model of sensor. Flow rate and p H gradient change direction are two main factors which affect dynamic characteristics of p H sensor

obtain parameters of SBE18 dynamic model under different flow rate and p H gradient change direction

and analyze law of the two factors affect on dynamic model parameters.

关键词

Keywords

references

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Dynamic response of a Ta 2 O 5 -gate pH-sensitive field-effect transistor [J] . Hirokazu Hara,Tatsuya Ohta. Sensors & Actuators: B. Chemical . 1996 (2)

Investigation of the dynamic response behaviour of ISFET pH sensors by means of laser Doppler velocimetry （LDV） [J] . W. Oelβner,J. Zosel,F. Berthold,H. Kaden. Sensors & Actuators: B. Chemical . 1995 (1)

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