| Product Range and Configuration | Available screen sizes, aspect ratios, resolutions, mounting options, and customization scope. | Check the current product catalog and request a configuration matrix. Confirm that the offered model matches the required panel size, resolution, interface, and installation method. | 10% |
| Display Performance | Brightness, contrast, viewing angle, backlight life, and readability under the intended lighting conditions. | Review model-specific datasheets and test samples in the actual environment. For outdoor or high-glare locations, assess whether an appropriate high-brightness option and anti-glare treatment are available. | 12% |
| Touchscreen Performance | Touch technology, glove operation, response, calibration, and compatibility with the operating system and application. | Verify whether the model uses projected capacitive or resistive touch and test it with the intended gloves, stylus, and operating conditions. Confirm the touch controller interface and driver support. | 10% |
| Environmental Protection | Protection against dust, water, vibration, and temperature variation for the intended installation location. | Request the exact enclosure rating and supporting test documentation. IP ratings are defined by IEC 60529; confirm which surfaces and configurations the rating covers rather than relying on a general product-family claim. | 12% |
| Operating Temperature | Specified operating and storage temperature ranges, including any limits caused by brightness, touch, or mounting configuration. | Compare the model-specific temperature specification with the site’s measured conditions. Confirm whether thermal testing was performed on the complete assembled monitor. | 8% |
| Mechanical Design and Mounting | Panel cutout, bezel design, chassis material, connector placement, cable clearance, and resistance to installation stresses. | Request dimensioned drawings and mounting instructions. Check compatibility with the cabinet or machine panel and assess service access after installation. | 8% |
| Electrical and Interface Compatibility | Video inputs, touch interfaces, power input range, grounding, and compatibility with the connected industrial PC. | Confirm supported interfaces on the exact model, such as HDMI, DisplayPort, VGA, USB, or serial connections where applicable. Check connector type, cable length, power requirements, and grounding guidance. | 8% |
| EMC and Regulatory Documentation | Electromagnetic compatibility, electrical safety, and applicable market requirements. | Ask for model-specific declarations, test reports, and certificates relevant to the destination market. Verify the tested configuration and applicable standards; do not treat a logo or general statement as a substitute for documentation. | 10% |
| Quality Management and Traceability | Manufacturing controls, inspection records, component traceability, and handling of nonconforming products. | Review the scope and validity of any quality-management certification, such as ISO 9001, and ask about incoming inspection, final testing, serial-number traceability, and corrective-action processes. | 8% |
| Reliability Testing | Evidence of tests for continuous operation, temperature cycling, vibration, touch durability, and display aging. | Request test methods, sample sizes, acceptance criteria, and results for the proposed model. Check whether testing applies to the complete monitor rather than only selected components. | 6% |
| Delivery and Production Planning | Sample lead time, production lead time, capacity planning, and communication about component changes. | Obtain written lead-time estimates for samples and repeat orders. Ask how the supplier notifies customers about end-of-life products, substitutions, or engineering changes. | 4% |
| Warranty and Technical Support | Warranty terms, repair or replacement process, spare-parts availability, and response capability. | Review written warranty exclusions and claim procedures. Confirm support hours, documentation availability, and the process for diagnosing faults remotely. | 4% |