High temperature compensation cable
The function of the compensation cable is to extend the cold end of the multi-point thermoelectric electrode and the moving thermocouple, and connect with the display instrument to form a multi-point temperature measurement system. The compensating cable is made of imported high quality fluoroplastics with insulating layer and protective layer, and a new integral continuous extrusion process is adopted. The product has excellent acid resistance, alkali resistance, abrasion resistance and non-flammable ductility, and can be used in oil and water for a long time. The use temperature of compensation cable is -60 - 260 C, which belongs to the advanced international level. Thermocouple compensation cable is suitable for multi-point connection of automatic temperature measuring instruments in electric power, metallurgy, petroleum, chemical industry, light textile industry, national defense, scientific research and other departments.
Thermocouple compensation cable: GB/T4989-94
Use temperature: heat resistance: -65 C ~+200 C and -65 C ~+260 C two.
Common grade: -40 C ~+70 C and -40 C ~+105 C two.
Minimum bending radius: compensation conductor: not less than 8 times the outer diameter of conductor.
Compensation cable: it is not less than 12 times the outer diameter of the cable when it is armoured, and it is not less than 6 times the outer diameter of the cable when it is not armored.
Insulation resistance (20 C): PVC insulation is not less than 25M ohm.Km; FEP or PEA insulation is not less than 100M ohm.Km.
Flame retardant properties: type A (according to GB12666.5-90 test)
Standard of execution
Production and execution standards of compensation cables and compensation conductors: GB/T4989-94 and JB/T7495-94
Conditions of use
1. Working temperature:
Heat resistant: two kinds at the highest temperature of 200 and 260 degrees.
Generally used: the highest temperature is 70 and 105 degrees two.
2. Minimum ambient temperature:
Fluoroplastic insulated and sheathed cable: fixed laying at 60 C, fixed at -20 C.
PVC insulation and sheathed cables: fixed at -40 C, fixed at -15 C.
3. Allowable bending radius:
A) the compensation cable with copper shield shall be not less than 16 times the outer diameter of the cable.
B) the compensation cable of other structures shall be not less than 10 times the outer diameter of the cable.