Features Four immersion thermowell installation options — brass adapter with 304SS probe for adjustable insertion, plastic, galvanized steel or NEMA-4/IP-65 steel enclosure. Four strap on surface mount installation options — rugged 304SS hermetically sealed probe, plastic, galvanized steel or NEMA-4/IP-65 contact surface temperature sensors — offer the industry’s most extensive range to satisfy all HVAC, appliance and industrial applications 304 SS thin wall probe with a cold rolled hermetically sealed end forms a monolithic encapsulated cavity for the sensor and is immune to failures caused by high humidity, contamination, thermal shock and vibration Fast response brass contact sensor for strap on applications is insulated from the enclosure to provide accurate pipe surface temperature measurement More than 15 types of interchangeable NTC thermistors, precision platinum, nickel or Balco RTDs are available for universal compatibility