The RT9420 Heavy Duty Rotary Sensor has a hazardous area certification. It is IP68 protection rated. The zero and span settings of the RT9420 Heavy Duty Rotary Sensor are adjustable through access holes in the housing. Environmental suitability: NEMA 6, IP68 for more information on the RT9420 Heavy Duty Rotary Sensor, contact us using the details above. Datasheet Enquire Now