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RTD Type Fiberglass Insulation Thermocouple Wire High Accuracy ISO9001

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RTD Type Fiberglass Insulation Thermocouple Wire High Accuracy ISO9001

Country/Region china
City & Province shanghai shanghai
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Product Details

Thermocouple Extension Cable RTD Type Fiberglass Insulated Stainless Steel 304 Sheath

 

 

 
Cable Specification
Item NameType RTD/PT100 Extension Cable 
Conductor Material+Copper -Copper
Conductor Dia 7/0.3mm(0.5mm2, ±0.01mm)
Insulation and ThicknessFiberglass(long term: 400℃ short term:500℃) 0.2mm
Insulation Diameter1.6mm(±0.2mm)
Jacket MaterialFiberglass(long term: 400℃ short term:500℃) 0.2mm
Outer SheathSS304 Braiding
Outer Insulated Diameter3.8mm(±0.2mm)
Weight32KG/KM
Color CodeIEC-584-3 (+Orange -White Overall:Orange Tracer) 

 

Thermocouple Cable Grade

A: Extension Grade Cable

Whose wire composition is totally as the same as the thermocouple wire, remarked by the letter“X”after the thermocouple symbol number, such as“KX”“JX”“TX”

B: Compensation Grade Cable

Whose wire composition is different from the thermocouple wire, but its wire electromotive force (EMF) value is the same as thermocouple wire only at 0-100℃ or 0-200℃. It remarked by the letter“C”after the thermocouple symbol number, such as“KC”“JC”“TC”

  1. For cost consideration, when the tested temperature under 200℃, compensation grade cable is preferred. But compensation grade cable will occur enormous tested temperature value deviation if the tested temperature above 200℃. The higher the tested temperature, the greater deviation be.
  2. For compensation grade cable, the max testing temperature is less than 200℃, the bigger the cable, the smaller the signal loss.
  3. Extension cable and compensation cable comparison:

 

    Performance

Extension GradeCompensation Grade

Material

Same as thermocoupleDifferent from thermocouple
EMF Value FeatureSame as the thermocouple’s at certain temperature rangeSame as the thermocouple’s
Deviation CurveNonlinear, varies with temperature

  Linear

Working Temperature RangeLimited(usual at 100℃)Unlimited(depend on insulation material temperature bearing)
Line ResistanceLow resistanceHigh resistance
Compensation Contact InterferenceDifferent contactor material may cause interference

None

Accuracy

Low

High

Price

Low

High(about 1-2 times higher)

 

 

 

For the extension/compensation cable, the basic structure is conductor and insulation.

To increase its temperature bearing ability and to install easily, jacket is applicable.

 

In the working environment, there are too much factors will interference the EMF signal, therefore shield layer is practical way to prevent the cable from interference caused by complex environment.

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