What to Check in After-Sales Terms Before Buying EL Inspection Equipment: Five Questions

ⓘ This article is currently published in Chinese. An English version is being prepared — read the Chinese original.

Most buyers of EL inspection equipment scrutinize imaging specs and price, then skim the after-sales terms in the final five minutes before signing. That is backwards: an EL system is a camera, a power source, and judgment software working together, and each ages differently. This article walks through five questions to settle in writing before purchase: what the warranty actually covers component by component; who calibrates the camera and at what interval; whether the defect-recognition software is a one-time license or a subscription with updates; what the response time and loaner-unit policy look like when a unit fails mid-campaign; and how operator training and retraining are handled when staff turn over. It also covers the cases where none of this matters — if you only need one inspection, commissioning a third-party service sidesteps the entire ownership question. A closing FAQ addresses warranty scope after modifications, calibration records as evidence, and software support after a vendor discontinues a model.