Measurement Principles
- Online Refractometry (Critical-Angle Total Reflection)
- Online Microwave (Energy Attenuation & Multi-Spectrum Resonance)
- Online Optical Absorption (UV-Vis-NIR)
Yifan Technology technical support center
From measurement principles and condition-based selection to installation, calibration, troubleshooting and system integration, helping you commission and run instruments reliably.
Installation Guidance
- Pre-Installation Preparation
- Process Connection
- Electrical & Communication
- Calibration & Commissioning
Condition-based Selection
- How to judge a reliable product
- Confirm the measurement target
- Describe the medium
- Match structure and materials
- Choose the measurement principle
- Check the installation position
- Plan sample or site validation
- Confirm outputs and acceptance
- Submit the minimum information set
Maintenance & Troubleshooting
- Slow response or growing deviation
- Unstable signal
- Communication or remote data fault
- Keep a maintenance record
Typical Applications
Food & Beverage
Biopharmaceutical
Chemical & Petrochemical
New Energy & Semiconductor
半导体
Quality Assurance
- System & Certification
- Factory Calibration & Aging
- Key Components & Materials
- Warranty & Service Commitment
Technical Documentation
- Online Analyzer Selection Information ChecklistThe minimum process, medium, installation, material, protection and interface information needed for traceable selection.
How to Select an IR100 Online Refractometer: Brix, Concentration, Hygienic and High-Temperature ServiceA practical path from measurement target and critical-angle principle to hygienic, universal, high-precision, high-temperature/high-pressure, intrinsically safe and corrosion-resistant configurations.
高折射率介质如何在线测量：IR100HR 选型与应用面向高浓度糖浆、树脂及聚合物溶液、高折射率油品和浓盐工艺液，说明折射率测量上限可达 nD 1.73 的 IR100HR 高量程型在线折光仪如何选型、安装和验证。- IR100 Hygienic Installation & Cleaning GuideTri-clamp position, flow direction, draining, CIP/SIP and service-space recommendations for food and pharma lines.
How to Select an MW100 Online Microwave Concentration Analyzer: Tank Insertion or Integrated PipeCompare the dual-rod insertion and integrated pipe configurations for concentration, solids, density and moisture, including flow, calibration and interface checks.
How to Select an AB100 Online Optical Absorption Analyzer: COD/SAC254, Color, Turbidity and Multi-ParameterUse the target absorption feature, turbidity, concentration range and installation to select AB100 wavelength, path length, light source, detector and cleaning configuration.- 4-20mA & RS485 Modbus Integration GuidePower, analog scaling, RS485 bus, address and communication checks for PLC, DCS and SCADA integration.
- Site Calibration, Commissioning & Acceptance RecordsA repeatable record for reference samples, calibration points, trend comparison and interface acceptance.
- Online Analyzer Maintenance & Troubleshooting ChecklistA sequence for measuring-surface, process-flow, reference-sample, power, grounding and communication checks.
- Online Brix and Concentration Measurement for Food & Beverage ProcessesSelection and validation guidance for dairy, beverages, fruit syrups, brewing and sugar processes, including hygienic connections, CIP/SIP and IR100/MW100 evaluation.
- Online Concentration, Density and Trace-Moisture Selection for Petrochemical, Chemical and Mining ProcessesA condition-based guide for acids/alkalis, solvents, brine, amine service, trace moisture in oils and mineral slurries, covering IR100/MW100 matching, materials, protection and validation.
依凡科技产品宣传册（2026 展会版）汇总 IR100、MW100、AB100 三大在线分析平台、选型、安装示例和典型应用场景，适合下载留存或现场沟通。
FAQ
- Does measurement require chemical reagents?
- Can the analyzer connect to an existing DCS or PLC?
- Are there hygienic, corrosion-resistant and explosion-proof configurations?
- How do I obtain technical documentation?
- How should I choose IR100, MW100 or AB100?
- Can a model be recommended for an unknown medium?
- Do color, turbidity and viscosity affect online refractometry?
- Why does installation position affect the reading?
- How often should an online analyzer be calibrated?
- What if the online value differs from the laboratory value?
- What should I check first when the reading fluctuates?
- How do I troubleshoot unstable RS485 communication?