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6 Core MI RTD Extension Cable Temperature Detecting

Pasia Industries Ltd

6 Core MI RTD Extension Cable Temperature Detecting

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Brand Name : MICH

Model Number : MSMIRTDC

Certification : ISO9001

Place of Origin : China

MOQ : 1 meter

Price : USD0.5-USD5 per meter

Supply Ability : 10 million meters per year

Delivery Time : in one month

Packaging Details : plywood crates

Conductor : Different Metals

Sheath : Stainless Steel

Cores : 2, 3, 4,6,8

Application : Temperature Measuring

Insulation : High Purity Magnesium Oxide

Function : Temperature Detection

Property : long servicing time

Cable Diameter : 0.5-8 mm

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Metal Sheathed Mineral Insulated RTD Cable for Temperature Detecting, also called RTD MIC, compose of copper or Nickel signal wire conductors and stainless steel or Inconel outer metal sheath. The mineral normally known as compact magnesium oxide are filled between the space of nearby conductor lead wires. There are several choices for the core numbers such as 2 ,3 , 4 or 6 showing the number of wire internal conductors.

Features

  1. Quick thermal reaction time
  2. Wide temperature measurement range
  3. Long servicing time
  4. Good air tightness
  5. High pressure resistance
  6. Antivibration
  7. Flexible


Specification

Take the KSK2B30 as example to explain the specification

Example K S K 2 B 30
KSK2B30

K=thermocouple cable
L-compensating wire
M-sensor

Sheath material
S=321 stainless steal
W=310 stainless steal
I=600 alloy
D=Cupro nickel
C= Copper
T=316L stainless steal
Q=304 stainless steal
H=825 alloy

Conductor Combinations
K=nickel chromium/Nickel aluminum
N=Nickel Chromium silicon/nickel silicon
J=iron/constantan
T=copper/constantan
E=nickel chromium/constantan
S=copper/copper alloy

Number of Conductors

EMF Characteristics
B=Nominal EMF to
IEC584-1
BS 4937
ASTM E230
JIS C1602
D=DIN 43710 (German)Type J

Sheath Diameter (mm)ⅹ10


Thermocouple Precision Grade

The EMF thermocouple output and tolerance are met with products covered in this specification and are certified at a given temperature.

Conductor Combination Reference Calibration Temperatures Tolerances
J

200

400

700

Grade 1
-40℃ to 375℃ within ±1.5℃
Above 375℃ within ±0.4%

Grade 2
-40℃ to 333℃ within ±2.5℃
Above 333℃ within ±0.75%

K&N

200

400

600

800

1000

-40℃ to 375℃ within ±1.5℃
Above 375℃ within ±0.4%

--40℃ to 333℃ within ±2.5℃
Above 333℃ within ±0.75%

E

200

400

600

800

-40℃ to 375℃ within ±1.5℃
Above 375℃ within ±0.4%

-40℃ to 333℃ within ±2.5℃
Above 333℃ within ±0.75%

T

200

400

-40℃ to 125℃ within ±1.5℃
Above 125℃ within ±0.4%

-40℃ to 133℃ within ±2.5℃
Above 133℃ within ±0.75%


Note: the maximum calibration temperature should not exceed the maximum continuous operation temperature of the sheath material.

Specification of the Thermocouple Cable

Cable Diameter Conductor Diameter and Number Minimum Insulation Thickness Minimum Sheath Thickness
Nominal± Tolerance 2-core Minimum 4-core Nominal 6-core Nominal 2-core 2-core 4-core 4-core
0.5±0.025 0.08 - - 0.04 0.05 - -
1.0±0.025 0.15 - - 0.08 0.10 - -
1.5±0.025 0.23 - - 0.12 0.15 - -
2.0±0.025 0.30 - - 0.16 0.20 - -
3.0±0.025 0.45 - 0.24 0.30 0.30 -
3.2±0.032 0.48 - 0.26 0.32
4.0±0.040 0.60 - - 0.32 0.40 - -
4.5±0.045 0.68 0.51 - 0.36 0.45 - -
4.8±0.048 0.72 - - 0.384 0.48 - -
5.0±0.050 0.75 - - 0.4 0.50 - -
6.0±0.060 0.90 0.68 0.68 0.48 0.60 0.59 0.59
6.4±0.064 0.96 - - 0.512 0.64 - -
8.0±0.080 1.20 0.91 - 0.64 0.80 0.79 -


Note: jumbo sizes approximately equivalent to the above diameters are normally available.

Maximum Recommended Continuous Working Temperature

Sheath Materials Temperature Thermocouple Type Temperature
C 250 T 400
D 400 J 750
QRST 800 E 800
WI 1100 K 1200
N 1250 N 1250


Quality Inspection

When product manufacture is finished, every coil of cable should undergo a series of quality assurance tests.

1 Sheath integrity (water immersion test)
2 Dimensional tolerances
3 Surface finish
4 EMF calibration
5 Insulation resistance
6 Sheath ductility
7 Conductor ductility

Testing report is available upon request. Additional specialty tests can be arranged as per customer’s requirement.


Product Tags:

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