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Temperature Measuring Instruments
 
  Bi-Metallic Dial Thermometers
 
  Thermocouples & RTDs
 
 
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Bi-metallic Dial Thermometer Brochure
 

Selection Guide for Bi-Metallic Dial Thermometers
 

THERMOCOUPLES
Thermocouples are extremely robust and offer the highest level of tolerance to shock and vibration. The various types cover a temperature range from -270° C to +1700° C. They can be produced in extremely small diameters where speed of response is a critical factor.

Sheath Materials
A wide range of standard sheath materials are available, including Stainless Steel Types 310, 316 and 321, Inconel 600, Re-crystallised Alumina, Ceramic, etc.

 
Thermocouple Types :
International
Symbol
Names of
Materials
Useful Application
Range
B Platinum30% Rhodium (+)
Platinum 6% Rhodium (-)
2500 -3100 oF
1370-1700 oC
E Chromel (+)
Constantan (-)
200-1650 oF
95-900 oC
J Iron (+)
Constantan (-)
200-1400 oF
95-760 oC
K Chromel (+)
Alumel (-)
200-2300 oF
95-1260 oC
R Platinum 13% Rhodium (+)
Platinum (-)
2640 oF
870-1450 oC
S Platinum 10% Rhodium (+)
Platinum (-)
1800-2640 oF
980-1450 oC
T Copper (+)
Constantan (-)
-330-660 oF
-200-350 oC
 

RESISTANCE TEMPERATURE DETECTORS (RTDs)

Platinum Resistance Sensors offer the highest standard of accuracy and stability of any temperature sensor. They exhibit good linear response, covering a range from -200° C to +650° C. They require no special cables or cold junction reference.

Conductors
Standard RTD's are 100 ohms at 0° C, in two, three or four wire configuration. Single and Duplex type RTD's are available as standard.

Sheath Materials
A wide range of standard sheath materials are available, including Stainless Steel Types 316 and 321 and Inconel 600.

 
 
 
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