Technical
- home
- technical
- enclosure ratings
Enclosure Ratings
Hitech Instruments has the experience of 30 years designing and manufacturing gas analysers. Now embedded in the new, state of the art, purpose built factory of parent company.
| NEMA, UL & CSA type rating | Approximate IEC/IP classification | Abbreviated protection description |
| 1 | IP30 | Indoor, from contact with contents |
| 2 | IP31 | Indoor, limited, from dirt and water |
| 3 | IP64 | Outdoor, from rain, sleet, windblown dust and ice damage |
| 3R | IP32 | Outdoor, from rain, sleet and ice damage |
| 4 | IP66 | Indoor and outdoor, from windblown dust, rain splashing and hose directed water and ice damage |
| 4X | IP66 | Indoor and outdoor, from windblown dust, rain splashing and hose directed water and ice damage |
| 6 | IP67 | Indoor and outdoor, from hose directed water, water entry during submersion and ice damage |
| 12 | IP55 | Indoor, from dust , falling dirt and dripping non-corrosive liquids |
| 13 | IP65 | Indoor, from dust, spraying water, oil and non-corrosive liquids |
