K type compensation conductor
Categories :
Cables, Compensation conductor
Description :
K type compensation conductor
Application: Compensation wire cable series products are suitable for the temperature control system of energy, metallurgy, petroleum, chemical and other factories and mining enterprises and scientific research departments. It is used for the connection between the cold end of the temperature measuring instrument and the temperature measuring instrument. Heat resistant type uses fluorine plastic insulation and sheath with excellent heat resistance, water resistance, corrosion resistance, acid and alkali resistance, chemical resistance, wear resistance, aging resistance and non-combustion performance. Implementation standard of compensation cable: GB/T4989/94 equivalent IEC584.3
| type | Bending radius | The temperature | The temperature | ||
| No armoured | There are armoured | Fixed installation | Unfixed laying | ||
| There are “105” in general model and “90” in high temperature model | Outer diameter of cable 6 times outer diameter of cable 10 times | Cable diameter 12 times | P – 40 ℃ to 60 ℃ or higher | P – 15 ℃ ~ 20 ℃ or higher | 70 ℃ 105 ℃ or less or less acuities were 90 ℃ 250 ℃ or less |
2. Product Code and Meaning:
| project | Code name | Symbol meaning | project | Code name | Symbol meaning |
| model | SC | With S scale number thermocouple compensation wire | Heat resistant grades | 70 | The operating temperature is 70℃ |
| RC | With R scale number thermocouple compensation wire | 105 | The operating temperature is 105℃ | ||
| NC | With N scale number thermocouple compensation wire | 200 | The operating temperature is 200℃ | ||
| NX | With N scale number thermocouple compensation wire | 250 | The operating temperature is 250℃ | ||
| KCA KCB |
With K scale number thermocouple compensation wire | Insulation materials | V | Polyvinyl chloride (PVC) | |
| KX | With K scale number thermocouple compensation wire | Y | polyethylene | ||
| EX | Use E index thermocouple compensation wire | B | polypropylene | ||
| JX | With J scale number thermocouple compensation wire | F4 | Teflon | ||
| T | With T – scale thermocouple compensation wire | F46 | Polychlorinated ethylene propylene | ||
| A series of codes | ZR | Flame retardant cable | Sheath material | V | Polyvinyl chloride (PVC) |
| ia | In the cable | B | The glass fiber | ||
| Using the classification | G | In general use | F4 | Teflon | |
| H | Heat with | F46 | Polychlorinated ethylene propylene | ||
| Precision grade | S | The classification of the J | Shielding materials | P | Copper wire braided |
| P1 | Tinned copper wire braided | ||||
| / | Regular grade | P2 | Copper tape around the package | ||
| P3 | Aluminum/plastic composite film wrapping | ||||
| specifications | 2 x conductor cross-sectional area mm2 | Conductor type | A single conductor may be omitted | ||
| R | Stranded conductor | ||||
| armoured | 22 | Steel tape armoured | |||
| 32 | Fine wire armour |
Technical specifications of compensation wire and cable:
1, model, alloy wire material and insulation color
| Compensation wire model | Use a thermocouple | Thermocouple indexing number | Compensating wire alloy wire | Insulating layer color | ||
| Level is | Negative level | Level is | Negative level | |||
| SC | Platinum-rhodium 10-platinum thermocouple | S | SPC (copper) | SNC (Copper nickel) | red | green |
| RC | Rhodium 13-platinum thermocouple | R | RPC (copper) | RNC (Copper nickel) | red | green |
| KCA | Nickel-chromium-nickel-silicon thermocouple | K | KPCA (iron) | KNCA (Copper nickel) | red | blue |
| KCB | Kleiner perkins caufield & byers (copper) | KNCB (Copper nickel) | red | blue | ||
| KX | KPX (Nickel chromium) | KNX (Nickel silicon) | red | black | ||
| NC | Nickel-chromium-silicon thermocouple | N | NPC (iron) | NNC (Copper nickel) | red | grey |
| NX | NPX (Nickel chrome silicon) | NNX (Nickel silicon) | red | grey | ||
| EX | Nickel-chromium-copper-nickel thermocouple | E | EPX (Nickel chrome) | ENX (Copper nickel) | red | brown |
| JX | Iron-copper-nickel thermocouple | J | JPX (iron) | JNX (Copper nickel) | red | The purple |
| TX | Copper-copper-nickel thermocouple | T | TPX (copper) | TNX (Copper nickel) | red | white |
2, the use of classified layer color
| Using the classification | Accuracy grade and mark | Sheath color | |||
| Regular grade | The classification of the J | Regular grade | The classification of the J | ||
| In general use | G | / | S | black | gray |
| Heat with | H | / | S | black | yellow |
V. Compensation wire cable
| Product model | The product name |
| KXVV | PVC insulated and jacketed compensating wires and cables for common thermocouples with k-scale labels |
| KXVV22 | PVC insulated and sheathed steel tape armored ordinary grade K scale thermocouple compensation cables |
| KXVPV | Polyvinyl chloride insulated and sheathed copper wire braided sub-shielded ordinary grade K-scale thermocouples compensation wires and cables |
| KXVPV22 | PVC insulated and sheathed copper wire braided split screen shielded steel tape armored ordinary grade K scale thermocouple compensation cable |
| KXVVP | PVC insulated and sheathed copper wire braided general shielding compensation cable for k-scale thermocouples |
| KXVV22P | PVC insulated and sheathed copper wire braided total screen shielded steel tape armored ordinary grade K scale thermocouple compensation cable |
| KXVPVP | PVC insulated and sheathed copper wire braided sub-shielded and total shielded ordinary grade K-scale thermocouple compensation cables |
| KXVPV22 | PVC insulated and sheathed copper wire braided sub-shielded and general shielded steel tape armored compensation cable for ordinary K scale thermocouple |
| KXFF | Fluoroplastics and sheathed ordinary grade K-scale thermocouples compensation wires and cables |
| KXFPF | Fluoroplastics and sheathed copper braided sub-shielded ordinary grade K-scale thermocouples compensation wires and cables |
| KXFFP | Fluoroplastics and jacketed copper wire braided general shielding compensation wires and cables for ordinary grade K-scale thermocouples |
| KXFPFP | Fluoroplastics and sheathed copper braided sub-shielded and total shielded ordinary grade K-scale thermocouple compensation cables |
Vi. Compensation wire cable Model Description:
| classification | Code name | classification | Code name | classification | Code name | |||
| Flame retardant code | The flame retardant | omit | A series of codes | X/C | Sheath material | Polyvinyl chloride (PVC) | V | |
| Flame retardant | ZR | Insulation materials | Fluorine plastic | F | Low smoke and low halogen polyvinyl chloride | VD | ||
| Grade A flame retardant | ZA | Polyvinyl chloride (PVC) | V | Low smoke halogen free polyolefin | E | |||
| Class B fire retardant | ZB | Low smoke and low halogen polyvinyl chloride | VD | Fluorine plastic | F | |||
| Class C fire retardant | ZC | Low smoke halogen free polyolefin | E | Heat resistant | 70 ℃ | omit | ||
| Shielding material | Copper wire/tin plating | P | armoured | Steel tape armoured | 22 | 105 ℃, 90 ℃ | 90 | |
| Copper tape/copper plastic | P2 | Fine wire armour | 32 | 105 ℃ | 105 | |||
| Aluminum strip/aluminum plastic | P3/P1 | In the cable | IA | 205 ℃ | FF | |||
Specifications:
| Cross section (mm2) | Conductor diameter (mm) | Scope of logarithmic | Some range | Special restrictions |
| 0.5 | 1/0.80 or 7/0.30 | 1,2,3, ~ 24 | 2 | When the core is less than 4 pairs, it is not armored |
| 0.75 | 1/0.97 or 7/0.37 | |||
| 1.0 | 1/1.13 or 7/0.43 | |||
| 1.5 | 1/1.38 or 7/0.52 | |||
| 2.5 | 1/1.78 or 7/0.68 |
Vii. Length of delivery of compensation wire and cable
Cables should generally be no less than 100 meters, allowing short delivery of more than 10 meters. The quantity shall not exceed 10% of the total length of delivery, and the measurement error shall not exceed ±5%. In case of special requirements, both parties can negotiate separately.
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