Crouse-Hinds series GUBA IECEx explosion protected instrument enclosures are certified for use in Zones 1, 2, 21, 22 hazardous areas to enclose ammeters, voltmeters, wattmeters, varmeters, power factor meters, ...
Crouse-Hinds series GUB explosionproof instrument enclosures are used to enclose ammeters, voltmeters, wattmeters, varmeters, power factor meters, tachometer indicators, pressure controls, etc., in a threaded rigid metallic conduit system.  ...
Crouse-Hinds series EMH explosionproof instrument housings are used to enclose 2-1/2" or 3-1/2" diameter round, flush rim mounting meters, whose scale or dial would be visible in the 2-5/8" ...
Eaton's Crouse-Hinds series EIH and EIHT explosionproof instrument enclosures are used to enclose instrumentation and control devices such as two-wire transmitters, flow measurement devices, temperature controls, level detectors, pressure ...