These items are designed to allow the viewing of contents within a container or equipment without having to open or break the seal of that product. Observation windows can be installed into flexible barriers or rigid containers. They have back nuts to allow them to be installed through a clearance hole, so no boss of additional threads are required. Appropriate for NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K & 13 enclosures, as well as IP66/IP67 enclosures. The standard sizes are listed below.
Most of our Observation Windows are also available as black anodised versions.
We have a full range of Observation & Sight Windows which are manufactured in Aluminium, Brass & Stainless Steel.
Additional thread sizes are available in M16, M20, M26, M33 & M40.
Observation Windows are commonly used in conjunction with other components such as Desiccant Ports, Container Breather Valves, Record Holders and Humidity Indicators.
