When selecting PV cell line inspection equipment, manufacturers face three main architectural choices: fully inline systems integrated into the production flow, portable systems for sampling and lab use, and modular units that deploy flexibly across different process points. Each architecture has distinct strengths.
The Three Categories
Inline Systems are permanently integrated into production with conveyor connections, automated handling, and 100 percent throughput at line rate. Examples: SC-MC-W microcrack module, SC-EPL EPL testing module.
Portable Systems are self-contained units movable between locations or operable in lab environments. Examples: SC-EL-Portable for cell sampling, SC-DEL-Portable for module field inspection.
Modular Systems are standalone but production-grade units typically operated at fixed locations within the line, but without integrated handling. Examples: SC-PLEL-PS as a manual-load production tester, SC-SPL as a wafer sampling station.
Throughput Comparison
- Inline SC-MC-W: 6,000+ pieces/hour, continuous automated
- Inline SC-EPL: 1,800-7,200 pieces/hour, continuous automated
- Modular SC-PLEL-PS: 240 pieces/hour at 15s/piece, manual load
- Portable SC-EL-Portable: 60-120 pieces/hour, manual everything
For a production line targeting 5,000 cells/hour, only inline systems can keep pace. For sampling-based quality programs at 5-10 percent inspection rates, modular systems can suffice.
Capital Cost Ranges
- Inline systems: 200K-500K+ USD per station
- Modular production-grade: 80K-200K USD
- Portable: 20K-60K USD
Use Case Recommendations
For high-volume continuous production above 3GW annual: inline architecture for primary inspection, modular for QA sampling. Equipment fit: SC-MC-W, SC-EPL, supplemented by SC-PLEL-PS in QA lab.
For mid-volume production 500MW-3GW: mix of inline at highest-impact points, modular elsewhere. Equipment fit: SC-EPL inline at primary, SC-PLEL-PS modular at QA, SC-SPL modular for wafer.
For low-volume or pilot below 500MW: modular as primary, portable for flexibility. Equipment fit: SC-PLEL-PS as production tester, SC-EL-Portable for development.
For R&D and development lines: modular and portable for flexibility. Equipment fit: SC-PLEL-PS handles silicon and perovskite, SC-EL-Portable, SC-SPL.
For field operations and service companies: portable exclusively. Equipment fit: SC-DEL-Portable, SC-DEL-Drone, SC-IV-Portable.
Common Mistakes
Over-investing in inline at low volume — companies aspiring to high-volume production sometimes purchase inline systems before they have throughput to justify them.
Under-investing in inspection at high volume — running high-volume production with portable or modular inspection means coverage becomes inadequate.
Buying the wrong wavelength — perovskite emits at 700-900nm; verify wavelength compatibility with your cell architecture before procurement.
Decision Framework
Three questions guide the decision: What is your annual production volume in megawatts? What cell types are you running? How will you use the inspection data?
Process control feedback requires inline integration. Quality validation can use modular. Sampling and development can use portable.