ĐỒNG HỒ ĐO NHIỆT ĐỘ WIKA TT.50

Application: Industrial type design for fluid medium which does not corrode 304 stainless steel. Designed for applications requiring local readability using a mechanical measuring element while affording an additional means of electronic data acquisition from the same instrument.
Sizes: 5" (127 mm) - Type TT.50
Accuracy: + 1.0% of measurement range
Ranges: -40 oF to 550 oF (and equivalent Celcius)
Over/Under Range Protection: Temporary over or under range of 50% (maximum exposure 500 oF)

Standard Features
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
Order Options: 
* Weather-proof Housing and Plug: 7/8-20 UNEF threaded barrel with busing and compression nut. Provides environmental protection to thermocouple/RTD connection.
* Electrical Connection With Lead Wire (1/2 NPT): Available in thermocouple or RTD in 6" increments. Allows site installation using other enclosures or piping systems.
* Thermocouple Enclosure Head: A protective enclosure threads onto the optional ½ NPT electrical connection. The housing protects electrical connections from the environment. Houses a 4-20 mA transmitter or terminal block. Aluminum housing is standard.
* Terminal Block
      Provides a connection point for the thermocouple or RTD. Mounts in thermocouple head with 2 screws.
      4-20 mA Transmitter
      Refer to transmitter specifications
Additional Options:
* Thermowells
* Acrylic, Lexan, and safety glass window
* Calibration certification traceable to NIST
* Warranty:
      Limited one year warranty as stated in WIKA's
      Terms & Conditions of Sale