The OUSAF44 UV absorbance sensor monitors product concentration in process media. Excellent filter performance ensures the highest linearity and constant agreement with laboratory results. It provides you with fast, reliable process information and increases product yield. The patented EasycalTM system enables NIST-traceable online dry calibration. The OUSAF44 is explosion-protection approved for use in hazardous areas (ATEX, FM) and is suitable for hygienic processes (CIP/SIP cleaning).
Benefits
Fast, reliable monitoring of product concentration for better process control and simplified quality control
Measured values in close agreement with laboratory results
The patented EasycalTM system enables NIST-traceable online dry calibration
Long sensor service life, stable operation and low maintenance
Excellent filter performance for the highest linearity
Resistant to CIP and SIP cleaning
FM and ATEX approval for hazardous area applications
Applications
The OUSAF44 sensor is used for UV absorbance measurement:
Protein concentration measurement
Chromatography control
Permeate and retentate monitoring
Organic compound concentration measurement
Aromatic hydrocarbon detection
Filter monitoring
International explosion-protection approvals, such as ATEX and FM, for use in hazardous areas
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Technical data
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Source: Endress+Hauserpublic information from the website
Technical Data
CompareConcentration
| Measuring Principle | UV absorbance |
| Application | Measurement of protein concentrations, chromatography monitoring, filtration monitoring, concentration measurement of organic compounds, detection of aromates |
| Characteristic | Sensor for installation in the pipe with separate flow assembly OUA260 |
| Measuring range | 0 to 2.5 AU 0 to 50 OD (depending on optical pathlength) |
| Material | Sensor housing: stainless steel 316 |
| Process temperature | 0 to 90 °C (32 to 194 °F) continuous Max. 130 °C (266 °F) for 2 hours |
| Process pressure | Max. 100 bar (1450 psi) absolute, depending on the material, pipe size and process connection of the flow assembly |
| Ex certification | ATEX, FM |
| Ingress protection | IP65 (NEMA4) |
| Certificates, declarations and approvals | FDA |
Case Studies
市政污水处理污水处理厂 · 多参数应用案例
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，对多参数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多参数，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 · 多参数应用案例
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，对多参数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多参数，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 · 多参数应用案例
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，对多参数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多参数，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 · 多参数应用案例
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，对多参数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多参数，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。
