电导传感器
Technical Data
ComparePhysical medium properties
| Measuring Principle | |
| Measuring method | Capacitive- conductive |
| Application | Continuous inline measurement of build-up and liquid conductivity |
| Supply voltage | 10…30 VDC IO-Link: 18…30 VDC |
| Measuring range | Conductivity: 0 µS/ cm...100 mS/ cm Build-up thickness: 0 mm…10 mm |
| Accuracy | Build-up: <= 1% of measuring range Conductivity: 0...2 mS/ cm: <= 5% of reading 2...20 mS/ cm: <= 7% of reading 20...50 mS/ cm: <= 10% of reading 50...100 mS/ cm: <= 15% of reading |
| Ambient temperature | -40°C…+70°C (-40°F...+158°F) |
| Process temperature | -20°C…+100°C (-4°F...+212°F) +150°C (+302°F) for 1h |
| Process pressure | Vacuum...25 bar (Vacuum...362.5 psi) |
| Output / communication | 4...20 mA Frequency IO-Link |
| Connection | Threads G1", G3/4", M24, Tri-Clamp ISO2852, DIN11851 |
| Ex certification | No Ex certificates CSA C/US General Purpose |
| Certificates, declarations and approvals | EN10204- 3.1 EHEDG 3-A EG1935/2004 CRN approval |
| Options | Customer specific configuration Cleaned from oil and grease Surface roughness test Welding- and process adapters |
Liquitrend QMW43 is specially designed for the food & beverage industry, helping customers ensure product safety, improve product quality and increase equipment availability. Combining the conductivity and capacitance measuring principles, its unique, reliable method of measuring the thickness and conductivity of buildup deposits helps you make the right decisions.
Advantages
Reliable, repeatable, high-precision measurement of buildup thickness and conductivity, independent of the medium type
Perfect combination of conductivity and capacitance measuring principles; the device automatically and precisely detects the measuring mode and switches modes automatically
Verify the cleaning status without opening the tank
Stainless steel sensor, compact structure, flush-mounted, direct view of the condition at critical process points in pipes or tanks
Plug-and-play, simple commissioning, no presetting required
Hygienic design with traceable materials
IO-Link digital communication available
Application
Optimize cleaning results, monitor mixing uniformity, identify media, suitable for liquids, suspensions, pasty media, etc.
Installed on storage tanks, mixing tanks, process vessels with or without agitators, pipes and peripheral equipment
Process connections: threaded and hygienic connections
Sensor design: flush-mounted; surface finish: Ra < 0.76μm
Temperature: -20...+100°C (-4...+212°F); CIP/SIP cleaning: withstands up to 150°C (302°F) for no more than 1 hour
Certificates and declarations: 3A, FDA, EHEDG and EG1935/2005, EN10204-3.1
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Technical documentation
Technical data
Documents/Manuals/Software
Accessories/Spare parts
Source:Endress+Hauserwebsite public information
Case Studies
市政污水处理污水处理厂 · 电导式应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对电导式的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的电导式，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料食品生产线 · 电导式应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对电导式的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的电导式，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药反应釜与储罐 · 电导式应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对电导式的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的电导式，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源电厂锅炉与汽机 · 电导式应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对电导式的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的电导式，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
