Hermetically Sealed Temperature Switches

SOR hermetically sealed temperature switches are your choice for applications that are susceptible to harsh process environments and where disrupted functionality could cause a catastrophic outcome. The snap switch is protected in a sealed housing from salt air, hydrogen sulfide and other corrosive agents and atmospheres that might cause contact deterioration and switch failure.

Unparalleled repeatability

Hermetically sealed snap switches
Ranges from -50° to 1000° F
High overrange

A temperature switch to fit your application

SOR has a hermetically sealed temperature switch to fit most any application where protection from the elements or corrosive environments is vital to your process

Engineered to your specifications

Every SOR hermetically sealed temperature switch can be customized to your exact specifications – talk to your factory Sales Engineer or local Representative

Built tough and simple to use

Precise quality standards from raw materials to finished switch
Easy to install
Set point adjustment without declassification of hazardous area

Big Hermet – Hermetically Sealed Temperature Switch

Models: Big Hermet
Ranges: -50° to 1000°F, -45° to 540°C
Certifications: Unit: INMETRO, RTN, SIL; Snap Switch: TestSafe (SAA), UL/CSA
Warranty: 3 Years

The SOR hermetically sealed Big Hermet is designed to keep harsh conditions out so the chance of corrosion and instrument failure is minimized. It uses a vapor-pressure thermal system design to sense temperature changes and activates/deactivates a diaphragm/piston assembly. This versatile temperature snap switch works in a wide variety of process media and industrial applications and is available with maximum explosion proof rating.

Hermetically sealed snap switches
Ranges from -50° to 1000°F, -45° to 540°C
Set point adjustment with calibrated scale
Set point adjustment without declassification of hazardous area

Datasheet

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Dual Hi-Lo – Hermetically Sealed Temperature Switch

Models: V2
Ranges: -50° to 1000°F, -45° to 540°C
Certifications: Unit: INMETRO, RTN, SIL; Switch: ATEX, UL/CSA, TestSafe (SAA)
Warranty: 3 Years

The SOR hermetically sealed, Dual Hi-Lo temperature switch is ideal for explosion proof applications and/or those applications that require protection of the switch contacts. It operates on a vapor-pressure thermal system and a sensing bulb that activates/deactivates a piston diaphragm according to the process temperature.

The hermetically sealed Dual Hi-Lo switch incorporates two separate sensing assemblies and two separate set points with two separate switch outputs for settings at minimum and maximum temperatures.

It is field adjustable making it a convenient choice for just about any industry application in a non-hazardous situation.

Ranges from -50° to 1000°F
316 SS temperature sensing bulbs
Remote sensing bulb is optional
Minimal ambient temperature influence
AC or DC electrical service

Datasheet

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Drop us a line today for a free quote!

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Mini-Hermet – Hermetically Sealed Temperature Switch

Models: Mini-Hermet
Ranges: -50° to 1000°F, -45° to 540°C
Certifications: Unit: ATEX, GOST, INMETRO, RTN, SIL; Snap Switch: ATEX, TestSafe (SAA), UL/CSA
Warranty: 3 Years

The SOR hermetically sealed Mini-Hermet temperature switch is your “tight space” alternative to the Big Hermet. It is designed to keep harsh conditions and atmospheres from potentially causing instrument failure. It uses a vapor-pressure thermal system design to sense temperature changes and activates/deactivates a diaphragm/piston assembly. This versatile temperature snap switch works in a wide variety of process media and industrial applications – especially where space is limited.