Selection of Electrodes选择电极

2Selection of Electrodes

Drinking water 饮用水

Swimming pool water 游泳池水

Waste water treatment 废水处理

Production and process control 控制生产和过程

Areas of Application

3Selection of Electrodes

Power plants 发电厂

Food processing 食品加工

Laboratories 实验室

Areas of Application

4Selection of Electrodes

Definition of pH

5Selection of Electrodes

Typical pH Values

How does a pH electrode work?pH 电极是怎么工作？

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8Selection of Electrodes

pH Measurement Circuit

pH sensitive glass electrode pH 玻璃电极

pH non-sensitive reference electrode 参比电极

Components组件

10Selection of Electrodes

• Universal glass 0 ... 12 pH -5 ... 80°C通用玻璃 1

• High temperature glass 0 ... 14 pH 0 ... 135 °C高温玻璃

• High alkaline glass 0 ... 14 pH -5 ... 80 °C耐碱

• More fluorine abiding 0 ... 11 pH -5 ... 50 °C

glass to 1000 mg HF/l氟守法玻璃

• Steam sterilizable glass 0 ... 12 pH -5 ... 135°C 蒸汽消毒

• Low temperature glass 0 ... 12 pH -30 ... 30 °C

低温玻璃

Membrane Glasses 玻璃膜

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• Ceramic 陶瓷

• Glass fiber 玻璃纤维

• PTFE 特氟龙

• Perforated 小孔

• Annular gap 环形裂缝膜片

Diaphragms 膜片

12Selection of Electrodes

Ceramic Diaphragm 瓷膜片

Areas of application: 应用Clean water, swimming pool water, drinking water, not heavily

polluted media 游泳池水，饮用水，轻度污染液体

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Glass Fiber Diaphragm

Standard for electrodes with plastic shaft使用在塑料的电极

Areas of application: 应用Similar to ceramic diaphragms 同级瓷膜片

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PTFE Diaphragm

Areas of application: 应用Wastewater treatment, contaminated media, oil saturated media 废水处

理， 污染的介质，

Advantage: 优点- “Self-cleaning” effect of the Teflon material 聚四氟乙烯自清洗效果

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Open Junction Electrodes 交界电极

Open junction electrodes „Diaphragm free“ with

fixed polymerized gel filling : 电极上没有膜片，高粘度凝胶填充Perforated or annular gap diaphragm 小孔或裂缝膜片

Areas of applications: 应用Heavily polluted media, suspensions, varnishes 污染严重的液体，

悬浮物清漆

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Terminal Heads

Versions: 版本

with or without Pg 13.5 male thread

与 2 或无 1 Pg 13.5 毫米螺纹

2-pole cap N typeN型，两极插头

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Terminal Heads 终端接头

For multiparameter electrodes:

• SixPlug system (formerly designated SMEK)

• Other readily available cap systems, such as the VP / Variopin or

the Variopol

18Selection of Electrodes

Terminal Heads

Sensors with a fixed cable connection

Versions:

with or without Pg 13.5 male thread

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JUMO ecoLine JUMO BlackLine JUMO tecLine JUMO ISFET

JUMO pH and ORP Electrodes

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JUMO pH and ORP Electrodes

- JUMO ecoLine Electrode serie with glass or plastic shaft 电极溢价或用玻璃塑料轴

- JUMO BlackLine Low-cost electrode series 低价格的电极

- JUMO tecLine High quality industrial electrodes 高品质的工业电极

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DIFFERENCES

JUMO BlackLine Available only with plastic body (PPO)ceramic diaphragm, solid electrolyte, max. 60°C 仅适用于塑料机身 (PPO) 陶瓷膜片 , 固体电解质

JUMO ecoLine Glass and plastic body (PEI), highly viscous KCl solution, ceramic diaphragm, without Pt100 玻璃和塑料外壳 , 高粘度氯化钾解 , 陶瓷膜片 , 没有 PT100

JUMO tecLine Glass body, zirconium dioxide diaphragm, highly viscous KCl solution or solid electrolyte, High-temperature and sterilization applicationsUltrapure waterintegrated Pt100/1000 possible 玻璃体内，陶瓷膜片（二氧化锆）高粘度氯化钾或固体电解质，高温和杀菌应用，超纯水，集成 PT100/1000 可能

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SELECTION CRITERIAJUMO ecoLine / BlackLine (20.1005)

Areas of application:应用- Drinking water monitoring and treatment 饮用水的监测- Swimming pools 游泳池- Aquariums (also marine aquariums) 水族馆- Greenhouse systems 温室系统- Lightly polluted service water, process water and wastewater 轻度污染的水，工业水和废水- Rainwater, pond water and surface water 雨水，池塘水和地表水- Hand-held meters 手持。。。

NOT recommended for: 不推荐- Industrial process water and wastewater 工业，工业水和废水- Ultra-pure water 超纯水- Biotechnology, sterilization processes 灭菌过程

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JUMO tecLine (20.1020)

Applications given on Page 1 are subdivided:第 1 页上给出的应用细分

- Water and process measurement technology 水过程测量技术

- Wastewater, heavily polluted media,suspensions, varnishes 废水，污染严重的液体，

悬浮物，清漆

- High-temperature and sterilization applications 高温和灭菌应用

- Ultrapure water, low-ion media 超纯水，低离子介质

SELECTION CRITERIA 甄选准则

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Data Sheet 20.1020

!!! ALL INFOS ARE AVAILABLE IN DATA SHEETS!!!!!! ALL INFOS ARE AVAILABLE IN DATA SHEETS!!!

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HELPING TOOL

Survey for pH/ORP-Electrodes pH/ORP 电极调查

- available as WORD and PDF 提供WORD 和 PDF

- customers can fill it out directly 客户可以直接填写

- can be sent easily 发送很容易

Application Examples应用实例

27Selection of Electrodes

Media?媒体

Temperature ?温度

Pollution?污染

Characteristics?特点

SELECTION CRITERIA

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SWIMMING POOL/DRINKING WATER

Constant temperatureLess pollution 恒温污染少

pH-combination electrode with a ceramic diaphragm or glass fiber diaphragmGlass or plastic shaft pH值组合电极陶瓷膜片或玻璃纤维膜片，玻璃或塑料轴e.g. JUMO tecLine pH 201020/51-10-07-22-120/837Sales No 00300151

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Temperature ?温度Media?

液体

Pollution?污染

Characteristics?特点

SELECTION CRITERIA

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WASTEWATER

Effluent of a wastewater treatment plantBig particles, faeces, sand . . . Ambient temperature 污染水 /废水处理厂的污水，大颗粒，粪便，沙土。。。

pH-combination electrode with PTFE or annular gap diaphragm, solid electrolyte pH

e.g. JUMO tecLine pH 201020/51-10-04-22-120/837Sales No 00321035

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Pollution?污染Media?

液体

Characteristics?特点

SELECTION CRITERIA

Temperature?温度

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ULTRAPURE WATER 超纯水Characteristics: 特点- Low-ion medium 低离子介质- Free of pollutants 无污染

pH combination electrode with liquid KCl fillingPH 电极液体氯化钾填充

+ KCl connection and 氯化钾连接和储存容器+ KCl storage vesselMounting in By-pass 安装在排水管

e.g.201020/76-10-09-22-180/833+ TN 00475617 KCl connection+ TN 00060254 KCl storage vessel

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Questions ? ! 大家有问题吗？

Thank you for your attention!