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1, use:
Thermocouple with high-temperature thermocouple cable, compensation cable, is in a certain temperature range (including high temperature and normal temperature) to match the nominal value of the same pair of thermoelectric emf with insulation wire, use them to connect the thermocouple and measuring devices, to compensate for them with the error produced by the temperature change of the thermocouple junction.This product is suitable for the index number is S, E, T, K, J, N type thermocouple and temperature display instrument between the electrical connection, in order to improve the accuracy of measurement.
2: the conditions of use:
High: (1) working temperature: heat with 200 ℃ and 260 ℃ of two;
General use: up to 70 ℃ and 105 ℃.
(2) the lowest temperature: fluorine plastic insulated and sheathed cable: fixed installation - 60 ℃, the fixed installation - 20 ℃;
PVC insulated and sheathed cable: fixed installation to 40 ℃, the fixed installation to 15 ℃.
(3) the minimum bending radius: PVC insulated and sheathed cable of armored cable is not less than 6 times of cable diameter, fluorine plastic insulation and sheath of armored cable should not less than 10 times of cable diameter, armored cable should not less than 12 times of cable diameter.
3, product varieties, specifications, and structure
(1) product varieties and models: see table 1
Table 1
The product name | Type no. | With thermocouple | Thermocouple index number |
| Copper, copper nickel compensation type wire (cable) | SC | 10 - platinum platinum rhodium thermocouple 13 - platinum rhodium platinum thermocouple | S |
Iron - copper and nickel compensation wire (cable) Copper, copper nickel compensation type wire (cable) | KCA KCB | Nickel chrome - nickel silicon thermocouple | K |
| Nickel chrome - nickel silicon extension wire (cable) | KX | Nickel chrome - nickel silicon thermocouple | K |
Iron - copper and nickel compensation wire (cable) Silicon nickel chrome - nickel silicon extension type wire (cable) | NC NX | Nickel chromium silicon - nickel silicon thermocouple | N |
| Copper nickel chrome - nickel extended type wire (cable) | EX | Copper nickel chrome - nickel thermocouple | E |
| Iron - copper and nickel extension wire (cable) | JX | Iron, copper and nickel thermocouple | J |
| Copper, copper nickel extended type wire (cable) | TX | Nickel copper-constantan thermocouple | T |
(2) product specification: see table 2
Table 2.
The name says | Conductor was nominal section | The conductor structure mm | |||
Compensation conductor | Compensating cables | A | B | ||
Wire core logarithm | 1 | Two quad: 1 ~ 24 Three fields: 1 ~ 19 | 0.5 | 1 / Φ 0.80 | 7 / Φ 0.30 |
1.0 | 1 / Φ 1.13 | 7 / Φ 0.43 | |||
1.5 | 1 / Φ 1.37 | 7 / Φ 0.52 | |||
2.5 | 1 / Φ 1.76 | 19 / Φ 0.41 | |||
Note: (1) compensation wire specifications: 2 * conductor nominal section, compensation cable specifications for: some * 2 * conductor nominal section, line to recommend
Is: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 19, 24, etc.
(2) according to the requirements of users can provide flame retardant, fire-resistant, low smoke low halogen, low smoke zero halogen type compensation cable and silicon rubber insulation and heat compensation cable sheath.When you order it should mark.
4, technical requirements
Alloy wire (1) compensation and compensation cable conductor and insulation layer color: as shown in table 3
Table 3
Product model | Compensation wire and cable core | Insulating layer coloring | With thermocouple Degree, | ||
The anode | The cathode | The anode | The cathode | ||
SC | copper | Copper and nickel 0.6 | red | green | S (platinum rhodium 10 - platinum) R (platinum rhodium 13 - platinum) |
KCA | iron | Copper and nickel 22 | red | blue | K (nickel chrome - nickel silicon) |
KCB | copper | Copper and nickel 40 | red | blue | |
KX | Nickel chrome 10 | Nickel and silicon | red | black | |
EX | Nickel chrome 10 | Copper and nickel 45 | red | brown | E (copper nickel chrome - nickel) |
JX | iron | Copper and nickel 45 | red | The purple | J (iron - copper and nickel) |
TX | copper | Copper and nickel 45 | red | white | T (copper, copper and nickel |
NC | iron | Copper and nickel 18 | red | grey | N (nickel chrome - nickel silicon silicon) |
NX | Nickel chromium silicon | Nickel and silicon | red | grey | |
Conductor (2) compensation and compensation cable to use classification, grade and sheath color: see table 4
Table 4
Using the classification | Mark code | Tolerance level and sign | Sheath coloration | |||
Regular grade | Precision level | Regular grade | Precision level | The Ann model | ||
In general use | G | province | S | black | gray | blue |
Heat with | H | black | gray | blue | ||
Conductor (3) compensation and compensation cable thermoelectric properties and tolerance table: see table 5
Table 5
model | use classification | ℃ temperature range | The thermoelectric emfs tolerances mu V | Measure the end Temperature ℃ | Reciprocating resistance 20 ℃ length is 1 m not greater than Ω | ||||
Regular grade | Precision level | 0.5mm2 | 1.0mm2 | 1.5mm2 | 2.5mm2 | ||||
SC | G | 0 ~ 100 | Plus or minus 60 (plus or minus 5.0 ℃) | Plus or minus 30 (plus or minus 5.0 ℃) | 1000 | 0.10 | 0.05 | 0.03 | 0.02 |
H | 0 ~ 200 | ||||||||
KCA | G | 0 ~ 100 | + 100 (plus or minus 2.5 ℃) | Plus or minus 60 (plus or minus 1.5 ℃) | 1000 | 1.40 | 0.70 | 0.47 | 0.28 |
H | 0 ~ 200 | 900 | |||||||
KCB | G | 0 ~ 100 | 900 | 1.04 | 0.70 | 0.47 | 0.28 | ||
KX | G | - 20 ~ 100 | 900 | 2.20 | 1.10 | 0.73 | 0.44 | ||
H | - 25 ~ 200 | 900 | |||||||
EX | G | - 20 ~ 100 | + 200 (plus or minus 2.5 ℃) | + 120 (plus or minus 1.5 ℃) | 500 | 2.50 | 1.25 | 0.83 | 0.50 |
H | - 25 ~ 200 | 500 | |||||||
JX | G | - 20 ~ 100 | + 140 (plus or minus 2.5 ℃) | + 85 (plus or minus 1.5 ℃) | 500 | 1.30 | 0.65 | 0.43 | 0.26 |
H | - 25 ~ 200 | 500 | |||||||
TX | G | - 20 ~ 100 | Plus or minus 60 (plus or minus 1.0 ℃) | Plus or minus 30 (plus or minus 0.5 ℃) | 300 | 1.04 | 0.52 | 0.35 | 0.21 |
H | - 25 ~ 200 | + 90 (plus or minus 1.5 ℃) | Plus or minus 48 (plus or minus 0.8 ℃) | 300 | |||||
NC | G | 0 ~ 100 | + 100 (plus or minus 2.5 ℃) | Plus or minus 60 (plus or minus 1.5 ℃) | 900 | 1.50 | 0.75 | 0.50 | 0.30 |
H | 0 ~ 200 | 900 | |||||||
NX | G | - 20 ~ 100 | 900 | 2.86 | 1.43 | 0.95 | 0.57 | ||
H | - 25 ~ 200 | 900 | |||||||
(4) other performance indicators: see table 6
Table 6
project | Single bit | Performance indicators | |
PVC insulated | F46 insulation or F insulation | ||
Insulation resistance (20 ℃) or greater | M, Ω km, | 25 | 500 |
Voltage test | V/1min | 1000 | |
Flame retardant performance | By the supply and demand both sides according to the using condition of the compensation cable according to standard GB/T18380-2001 agreed |
5, model, name: see table 7 ~ 8
Table 7 compensation conductor
Type no. | The name says |
| KX-VV | PVC insulated and sheathed index K thermocouple with compensation lead |
| KX-VPV | PVC insulated and sheathed wire braided shielding K dividing thermocouple with compensation conductor |
| KX-FF | Fluorine plastic insulation and sheath K dividing thermocouple with compensation lead |
| KX-FPF | Fluorine plastic insulated and sheathed wire braided shielding index K thermocouple with compensation conductor |
| KX-FV-105 | Fluorine plastic insulation heat 105 ℃ PVC sheathed index K thermocouple with compensation lead |
| KX-FPV-105 | Fluorine plastic insulated copper wire braided shielding heat 105 ℃ PVC sheathed index K thermocouple with compensation conductor |
| KX-HF4B | Ptfe insulation glass wool woven sheath K dividing thermocouple with compensation lead |
| KX-HF4PB | Ptfe insulated copper wire braided shielding glass wool weaving sheath index K thermocouple with compensation conductor |
Note: (1) other model compensating conductor SC, KC, EX, JX, TX, NC, NX, etc., need to rewrite the model first, such as: the EX - VVP;
(2) shielding type: P: copper wire shielding, P1: tin silk screen;
(3) fluorine plastic insulation and sheath high temperature compensating conductor with fluorine plastic overall continuous extrusion, has the very good electronic water and acid and alkali resistant properties;
(4) (G) is commonly used in general grade and precision (S) and with heat (H) general grade and precision (S) compensation conductor should be indicated in the order.
Table 8 compensation cable
Type no. | The name says |
| KX-VV | PVC insulated to ground PVC sheathed index K thermocouple compensating cable |
| KX-VPV | PVC insulated twisted-pair copper wire braided shielding PVC sheathed K points degree of thermocouple compensating cable |
| KX-VPVP | PVC insulated twisted-pair copper wire braided dividing points total shield PVC sheathed K thermocouple compensating cable |
| KX-VVP | PVC insulated twisted-pair copper wire braided dividing total shield PVC sheathed K thermocouple compensating cable |
| KX-FF | Fluorine plastic insulation to ground fluorine plastic sheath index K thermocouple compensating cable |
| KX-FPF | Fluorine plastic insulation twisted-pair copper wire braided shielding fluorine plastic sheath K points of thermocouple compensating cable |
| KX-FPFP | Fluorine plastic insulation twisted-pair copper wire braided shielding dividing total shielding fluorine plastic sheath K thermocouple compensating cable |
| KX-FFP | Fluorine plastic insulation twisted-pair copper wire braided dividing total shielding fluorine plastic sheath K thermocouple compensating cable |
| KX-FV-105 | Fluorine plastic insulation to ground heat 105 ℃ PVC sheathed index K thermocouple compensating cable |
| KX-FPV-105 | Fluorine plastic insulation twisted-pair copper wire braided shielding heat 105 ℃ PVC sheathed index K thermocouple compensating cable |
| KX-FPVP-105 | Fluorine plastic insulation twisted-pair copper wire braided shielding total shielding heat 105 ℃ PVC sheathed index K thermocouple compensating cable |
| KX-FVP-105 | Fluorine plastic insulation twisted-pair copper wire braided total shielding heat 105 ℃ PVC sheathed index K thermocouple compensating cable |
| KX-HF4B | Ptfe insulation to ground glass wool woven sheath K dividing thermocouple compensating cable |
| KX-HF4PB | Ptfe insulation twisted-pair copper wire braided shielding glass wool woven jacket index K thermocouple with compensation cable shielding |
| KX-HF4PBP | Ptfe insulation twisted-pair copper wire braided shielding dividing total shielding glass wool woven sheath K thermocouple with compensation cable shielding |
| KX-HF4BP | Ptfe insulation twisted-pair copper wire braided dividing total shielding glass wool woven sheath K thermocouple with compensation cable shielding |
Note: (1) other types of compensation cable SC, KC, EX, JX, TX, NC, NX, etc., need to rewrite the model first, such as: the EX - VPV;
(2) shielding type: P: copper wire shielding, P1: tin wire shielding, P3: aluminum/polyester composite membrane, P2: copper plastic composite film;
(3) fluorine plastic insulation and sheath high temperature compensating conductor with fluorine plastic overall continuous extrusion, has the very good electronic water and acid and alkali resistant properties.
(4) (G) is commonly used in general grade and precision (S) and with heat (G) general grade and precision compensation cable (S) indicated in the order.
(5) the Ann compensation cable need to be add "IA -" before the original model, such as: IA KX - VPVP;To be flame retardant compensation cable, should add "out" before the original model.
6, delivery requirements
According to the agreement to allow any length delivery, length measuring error of plus or minus 0.5%.
7, the order information
When placing order, be sure to indicate the product name, model, logarithmic, heat-resistant grade, block type, quantity, etc.
