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High temperature compensation wire is suitable for temperature control system of energy, metallurgy,…
Description:
A brief introduction, conductor: Temperature compensation wireThe effect is to extend the thermode that cold end of thermocouple temperature measurement system and mobile display instrument is connected.High temperature thermocouple compensation wire insulation layer and protective layer according to the environmental requirements of the selected material is not the same, PVC sheath material, fluorine plastic, low smoke and low halogen PVC and alkali free glass wire several imported high-quality fluorocarbon can be high temperature of 260 DEG C, and the continuous extrusion process, make the product has excellent acid resistance, alkali resistance, and flame extension performance, can be used for a long time in oil. Temperature compensation wireThe use of temperature in - 60 - 260 C, which belongs to the contemporary domestic advanced level.Series of products are mainly used in various types of temperature measuring device, according to the variety of products is divided into SC, KC, KX, EX, JX, TX, NC. Two, the implementation of standards: GB/T4989/94 equivalent to IEC584.3, Three, use range: Temperature compensation wireApplicable to energy, metallurgy, petroleum, chemical and other industrial enterprises and scientific research departments, the temperature control system.For the connection between the cold end temperature measuring instrument and temperature measuring instrument.Heat type imported fluorine plastic insulated and sheathed with excellent heat resistance, waterproof, anti-corrosion, anti acid, chemical resistance, resistance to abrasion, aging and combustion performance.Use temperature of -60 to 260 DEG C, is the international advanced level. Three, the conditions of use: (1): highest working temperature: heat with 200 degrees and 260 degrees two; General: a maximum of 70 degrees and 105 degrees two. (2) the lowest ambient temperature: fluorine plastic insulated and sheathed cable laying: -60 C -20 C non fixed installation; PVC insulated and sheathed cable laying: -40 C -15 C non fixed installation. (3) the minimum bending radius: PVC insulated and sheathed cable non armored cable is not less than 6 times of cable diameter, 10 times of fluoroplastic insulation and sheath for non armored cable is not less than the diameter of the cable, not less than 12 times of cable diameter for armored cable. Four,Temperature compensation wireThe use of characteristics:
type
The minimum bending radius
The lowest temperature
Maximum temperature
Unarmored
Armoured
Fixed installation
Non fixed installation
General type There are 105 types of "" There are 90 types of "" High temperature type
6 times of the cable diameter 10 times of the cable diameter
12 times of the cable diameter
C = -40
C = -60
C = -15
C = -20
Less than or equal to 70 DEG C Less than or equal to 105 DEG C Less than or equal to 90 DEG C Less than or equal to 250 DEG C
Five, product code and meaning:
project
Code
Code meaning
project
Code
Code meaning
Model
SC
Thermocouple compensation wire, S index
Heat resistant grade
Seventy
The highest temperature is 70 DEG C
RC
Thermocouple compensation wire, R index
One hundred and five
The highest temperature is 105 DEG C
NC
Thermocouple compensation wire, N index
Two hundred
The highest temperature is 200 DEG C
NX
Thermocouple compensation wire, N index
Two hundred and fifty
The highest temperature is 250 DEG C
KCA KCB
Thermocouple compensation wire, K index
Insulating materials
V
polyvinyl chloride
KX
Thermocouple compensation wire, K index
Y
polyethylene
EX
Thermocouple compensation wire, E index
B
polypropylene
JX
Thermocouple compensation wire, J index
F4
Teflon
T
Thermocouple compensation wire, T index
F46
Poly perchloro ethylene propylene
Series code
ZR
Flame retardant cable
Jacket material
V
polyvinyl chloride
IA
Intrinsically safe cable
B
glass fibre
The use of classification
G
For general use
F4
Teflon
H
heat resistant
F46
Poly perchloro ethylene propylene
Precision grade
S
Precision
Shielding material
P
Copper wire braid
P1
Tinned copper braid
/
Common grade
P2
Copper tape wrapped
P3
Aluminum / plastic composite film wrapping
Specifications
2 x conductor cross-sectional area mm2
Conductor type
Single conductor can be omitted
R
Stranded conductors
Armored
Twenty-two
Steel tape
Thirty-two
Steel wire armoured
Six, technical indicators: 1 type alloy wire material and insulation color
Compensation wire type
Thermocouple
Mark thermocouple
Compensation lead wire
The insulation layer of color
Positive order
The negative
Positive order
The negative
SC
10- Platinum Rhodium Platinum thermocouple
S
SPC (copper)
SNC (Cu, Ni)
red
green
RC
13- platinum rhodium thermocouple
R
RPC (copper)
RNC (Cu, Ni)
red
green
KCA
Nickel chromium nickel silicon thermocouple
K
KPCA (iron)
KNCA (Cu, Ni)
red
blue
KCB
KPCB (copper)
KNCB (Cu, Ni)
red
blue
KX
KPX (CR)
KNX (Ni SI)
red
black
NC
Ni Cr Si Ni Si thermocouple
N
NPC (iron)
NNC (Cu, Ni)
red
ash
NX
NPX (Ni Cr SI)
NNX (Ni SI)
red
ash
EX
Nickel - copper nickel thermocouple
E
EPX (CR)
ENX (Cu, Ni)
red
Brown
JX
The iron - copper nickel thermocouple
J
JPX (iron)
JNX (Cu, Ni)
red
purple
TX
Copper - copper nickel thermocouple
T
TPX (copper)
TNX (Cu, Ni)
red
white
2, the use of protective layer of color classification
The use of classification
Precision grade and sign
Jacket color
Common grade
Precision
Common grade
Precision
For general use
G
/
S
black
gray
heat resistant
H
/
S
black
yellow
Seven, delivery requirements: According to both agreements, the length of measurement error is about 0.5%. Eight, ordering: In order to indicate the product name, type, number, temperature rating, shielding type, quantity etc..