Terman is a manufacturer of several instruments for the dry and oil filled transformer industry since 1953. Based in Milan, Italy, Terman has been designing and enginnering products that have led to international patents, always having the highest quality standards.
 
Terman designs and produces high-quality oil and winding temperature monitoring devices used by transformer manufacturers globally, and is a well-recognized name in the transformer industry. 
 
Terman  WTI : Terman MSRT150-W
Terman  OTI: Terman MSRT 150-F

Terman MSRT 150W Winding Temperature Indicator

• Capillary tube protection : rilsan tubing / stainless steel armouring / steel + PVC armouring
• Casing : aluminium alloy powder painted (RAL 7035) suitable to withstand to any climate and to heavy polluted atmosphere in as well tropical or arctic climates (-40 / +70°C). All components are made of corrosion resistant or surface treated materials.
• Mechanical protection degree : IP 65.
• Lens : glass or polycarbonate.
• Locking ring : Nickel plated brass; transparent coated.