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Fiberglass insulated thermocouple extension wire-- Duplex pairs

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. Calibration: Type KX, JX, EX, TX, NX and RX, SX
. Conductor: Solid or stranded
. No. of pair: Duplex pairs
. Insulation: Braided fiberglass with silicon varnish
. Construction: Twisted conductors
. Tolerance: Standard limits of error and special limits of error
. Max. operating temperature: 480°C
. Color code: ANSI, IEC, JIS, DIN, BS, NFC

  • ZONZEN
  • 8544491900
Fiberglass insulated thermocouple extension wire-- Duplex pairs, round
. Continuous use up to 480°C
. Short term use up to 537°C
. Flexible with good moisture, chemical and abrasion resistance
. Provides accurate temperature measure with high temperature stablility
. Calibration test report is available

Physical Properties
Characteristics Insulation Jacket
Abrasion Resistance Good Good
Cut Through Resistance Very good Excellent
Moisture Resistance Good Good
Solder Iron Resistance Excellent Excellent
Service Temperature

480°C continuous

537°C single

480°C continuous

537°C single

Flame Test Non-flammable Non-flammable

Item Specification
Calibration Type JX Type KX Type TX Type EX Type NX Type RX/SX Type BX
+ Iron
- Constantan
+ Chromel
- Alumel
+ Copper
- Constantan
+ Chromel
- Constantan
+ Nirosil
- Nisil
+ Copper
- Alloy 11
+ Copper-S
- Copper-E
Wire size 20, 24, 26, 28, 30, 32AWG
Wire type Solid or Stranded
Construction Twisted conductors
Number of pair Duplex pairs
Insulation Braided fiberglass with silicon varnish
Jacket Braided fiberglass with silicon varnish
Tolerance Standard limits of error or special limits of error
Max. Operating temperature 480°C
Color code ANSI, IEC, JIS, DIN, BS, NFC
Packing Roll or spool (As required)

Fiberglass insulated thermocouple extension wire-Duplex pairs
Model explanation

123
1  Calibration: KX, JX, TX, EX, NX, SX, RX

2  Insulation: Fiberglass
3  Jacket: Fiberglass
4  "D" means "Duplex"
5  Wire size: 20, 24, 26, 28, 30, 32AWG
6  "S" means "Stranded"; "Blank" means "Solid"

Order code:

Type

Wire
Size(AWG)

Diameter (mm)

Conductor

Calibration

Type J

Type K

Type T

Type E

Thermocouple extension wire

20

1/0.80

Solid

JX-FB-FB-D-20

KX-FB-FB-D-20

TX-FB-FB-D-20

EX-FB-FB-D-20

20 7/28

7/0.30

Stranded

JX-FB-FB-D-20S

KX-FB-FB-D-20S

TX-FB-FB-D-20S

EX-FB-FB-D-20S

24

1/0.50

Solid

JX-FB-FB-D-24

KX-FB-FB-D-24

TX-FB-FB-D-24

EX-FB-FB-D-24

24 7/32

7/0.20

Stranded

JX-FB-FB-D-24S

KX-FB-FB-D-24S

TX-FB-FB-D-24S

EX-FB-FB-D-24S

26 1/0.40 Solid JX-FB-FB-D-26 KX-FB-FB-D-26 TX-FB-FB-D-26 EX-FB-FB-D-26
26 7/34 7/0.16 Stranded JX-FB-FB-D-26S KX-FB-FB-D-26S TX-FB-FB-D-26S EX-FB-FB-D-26S
28 1/0.32 Solid JX-FB-FB-D-28 KX-FB-FB-D-28 TX-FB-FB-D-28 EX-FB-FB-D-28
28 7/36 7/0.13 Stranded JX-FB-FB-D-28S KX-FB-FB-D-28S TX-FB-FB-D-28S EX-FB-FB-D-28S
30 1/0.25 Solid JX-FB-FB-D-30 KX-FB-FB-D-30 TX-FB-FB-D-30 EX-FB-FB-D-30
32 1/0.20 Solid JX-FB-FB-D-32 KX-FB-FB-D-32 TX-FB-FB-D-32 EX-FB-FB-D-32

Note: The products referenced above represent the most popular constructions. Other constructions can be manufactured to meet individual specification and application requirements.

 
Inner shield 
All above thermocouple extension wire can be finished with a inner shield (Stainless steel-SSB, Tinned copper-TCB). If you need the wire with a inner shield, please add "SSB or TCB" to the order code, such as "JX-FB-SSB-FB-20S", it means Type JX, 20AWG, Stranded, Insulation: Fiberglass, Inner shield: Stainless steel, Jacket: Fiberglass 

Outer shield 
All above thermocouple extension wire also can be finished with a metal outer shield to give added protection from abrasion and mechanical damage. If you need the wire with a outer shield, please add "SSB or TCB" to the order code, such as "JX-FB-FB-SSB-20S", it means Type JX, 20AWG, Stranded, Insulation: Fiberglass, Jacket: Fiberglass, Outer shield: Stainless steel 
Color Code & Initial Calibration Tolerance for Thermocouple Extension Wire:

Extension type

ANSI Color Code

Initial Calibration Tolerances

Wire Alloys

Calibration

Conductor (+/-)

Jacket

Temperature Range

Standard
Limits

Special
Limits

Iron (+) vs.  Constantan(-)

JX

White/Red

Black

0°C to +200°C

± 2.2°C

± 1.1°C

Chromel (+) vs.  Alumel (-)

KX

Yellow/Red

Yellow

0°C to +200°C

±  2.2°C

± 1.1°C

Copper(+) vs. Constantan(-)

TX

Blue/Red

Blue

-60°C to +100°C

± 1.1°C

± 0.5°C

Chromel(+) vs. Constantan(-)

EX

Purple/Red

Purple

0°C to +200°C

± 1.7°C

± 1.1°C

Nirosil (+) vs. Nisil (-) NX Orange/Red Orange 0°C to +200°C ± 2.2°C ± 1.1°C
Copper (+) vs. Alloy 11 (-) RX/SX Black/Red Green 0°C to +200°C ± 5°C -
Copper S (+) vs. -Copper E (-) BX Gray/Red Gray 0°C to +200°C ± 3.7°C -

Nominal Insulation Thickness:

Wire Size (AWG)

Conductor Insulation Thickness (mm)

Jacket  Insulation Thickness (mm)

20

0.15

0.15

20 7/28

0.15

0.15

24

0.15

0.15

24 7/32

0.15

0.15

26 0.11 0.15
28 0.11 0.15
30 0.11 0.15

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