Covered fluorescent light
Cleanroom Lighting
Covered Fluorescent Cleanroom Light
| Specification | Short tube format | Long tube format |
|---|---|---|
| Brand | shengtongJH | |
| Nominal fixture length (mm) | 600 | 1200 |
| Lamp configuration | T8 18 W | T8 36 W |
| Light-source count | Single or twin tube configuration | |
| Cover | Removable diffuser; covered housing | |
| Housing options | Coated steel or stainless steel | |
| Supply configuration | 220–240 V AC, 50/60 Hz; matched ballast | |
| Installation | Surface mounting or coordinated ceiling fixing | |
Dimensions and configurations can be customized for your application.
Provide general room illumination with a covered tube fixture whose lamp access and diffuser arrangement suit the maintenance routine.
A covered light source for routine room illumination
The cover separates the lamp from direct contact and presents a surface that can be wiped. It also influences how the light spreads. An opal diffuser softens the appearance of the tubes, while the complete housing determines how easily the fixture fits the ceiling and how its edges can be cleaned.
Covered construction should not be confused with a verified sealed assembly. When the room requires a defined ingress rating or a pressure-tight ceiling interface, specify that complete requirement instead of relying on the presence of a diffuser.
Choose a replacement by its electrical arrangement
A fluorescent tube, starter and ballast operate as a system. Replacement lamps need to match the fitting's intended type and rating. An LED tube conversion also requires a compatible electrical arrangement; physically fitting into the holders does not establish compatibility.
For refurbishment, compare replacing only the light source with replacing the entire luminaire. An older brittle cover, damaged gasket or deteriorated ballast can make a new fixture more practical than repeated component repairs. Check the mounting points and wiring route before committing to either approach.
Maintain the diffuser as well as the lamp
Dust or cleaning residue on the cover reduces useful light. Remove deposits using materials compatible with the diffuser and avoid damaging its clips during service. Plan lamp replacement so that work below the fixture is protected from loose parts or debris.
Fluorescent lamps require appropriate handling and disposal because they contain mercury. The fixture's length, cover, housing material and replacement-light strategy can be customized around the facility's lighting and maintenance needs.