The H38 is an explosion proof version of the field-proven H25 encoder series.

The H38 is UL certified for NEMA Class 4X and 6 (outdoor nonhazardous locations) and Class 4X and 13 (indoor non-hazardous locations). It is available with single and triple certifications for use in hazardous locations and includes a standard shaft seal, double bearing seals, and a cast aluminum housing with hard anodized and dichromate sealed finish.
The H38 is suitable for use in petroleum service industries, solvent refining operations, spray painting applications, and explosive dust environments.