The WIKA Model TT.50 Twin-Temp thermometer is a robust industrial instrument designed for simultaneous monitoring of two temperatures. This specialized thermometer features two independent bimetallic sensing systems within a single housing, providing reliable measurement of two process points or temperature differences. The clear dual-scale display allows easy reading of both temperatures simultaneously. With its sturdy construction and maintenance-free operation, the TT.50 is ideal for applications in HVAC systems, hydraulic units, heat exchangers, and industrial machinery where comparative temperature monitoring enhances process control and equipment protection.
Industrial type design for fluid medium which does not corrode 304 stainless steel.
Local mechanical output combined with remote electrical signal in one probe.
Special Features
5″ back connected dial
Electrical output configurable with Thermocouple, RTD, or 4-20 mA output
Sizes
5"(127 mm)-Type TT.50
Accuracy
+ 1.0% of measurement range
Ranges
-40°F to 550°F(and equivalent Celcius)
Over/Under Range Protection
Temporary over or under range of 50% (maximumexposure 500 ·F)
Connection
Material: 304 stainless steel
Center back mount (CBM) – Type TT.50
1/2" NPT standard
Stem
Material: 304 stainless steel
Diameter: 1/4" (6.35 mm)
Length: 2 1/2" to 48" (63.5 mm to 1,219.2 mm)
Measuring Element (Mechanical)
Bi-metal helix
Measuring Element (Electrical)
Thermocouple
Type K Grounded Junction Thermocouple standard
(Type J, E, and T available)
RTD
Platinum 100-ohm, DIN curve (0.00385 Ohm/Ohm/oC)
(3 wire standard configuration)
Case
Material: 304 stainless steel
Hermetically sealed per ASME B40.3 standard
External reset slotted hex head on back of case
Dial
White aluminum, dished, with black markings
Pointer
Black aluminum
Standard Scales
Single: Fahrenheit or Celsius
Dual: Fahrenheit (outer) and Celsius (inner)
Window
Flat instrument glass
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