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GENERAL FEATURES
Connections between thermocouples and devices are made with special cables. These cables are called thermocouple compensation cables. The conductors of compensation cables are special alloys that have similar properties to the thermocouple element wire. Therefore, a Cu-Const special cable is required for a Cu-Const thermocouple, and a Fe-Const special cable is required for a Fe-Const thermocouple. Temperature information is transferred from the thermocouple to the device more economically through compensation cables. Compensation cables provide the same mV-temperature properties of the same type of thermocouples up to 200°C. When one end of the thermocouple compensation cable is welded, the mV value of that type of thermocouple is obtained from the other end up to 200°C, in accordance with the value in the standards. However, the mV value it produces is limited to 200°C. Therefore, the ambient temperature in which the compensation cables will circulate should not exceed 200°C. The terminal box or thermocouple head to which the compensation cable and thermocouple element wire are connected cannot exceed 200°C. If it comes out, it will make an incorrect measurement as much as the amount that comes out.
Since compensation cables provide the electrical properties of the thermocouple element wire up to a certain temperature, the cold point is no longer the ends of the thermocouple element wire in the terminal box, but the other ends of the compensation cable connected to the terminal. In this way, the thermocouple end point fits the definition of hot point, and the end ends of the compensation cables fit the definition of cold point. The cold point, that is, the temperature of the end point of the extension cable, becomes important for the thermocouple phenomenon. If the compensation cable ends are connected directly to the device, the temperature at this point must be compensated. The process includes ?cold spot temperature compensators? in electronic devices. It is done with. At the device entrance, the mV value proportional to the ambient temperature where the device is located is added to the thermocouple leg to compensate for the cold spot temperature. If extensions are made with copper cable for thermocouples, the terminal point where the copper cable connected to the thermocouple head is connected to the element wire is the cold point. The mV value at this point is carried to the device via the copper cable. If the temperature at the connection point to the device is different from the thermocouple head temperature, it will cause an error equal to this temperature difference. If an error-free measurement is desired, thermocouple compensation cables should be used.
Compensation cables are produced in various insulations and have (+) (-) polarities, just like element wires. The connection must be made in accordance with this polarity.
ELIMKO STANDARD TYPE THERMOCOUPLE COMPENSATION CABLES
1- E-1.50Ç2LSCB 2x1.5 mm2 / Multiple / Fe-Const (L) / Silicone + Glass Fiber + Shield Insulated
2- E-1.50Ç2JSCB 2x1.5 mm2 / Multiple / Fe-Const (J) / Silicone + Glass Fiber + Shield Insulated
3- E-1.50Ç2KSCB 2x1.5 mm2 / Multiple / NiCr-Ni (K) / Silicone + Glass Fiber + Shield Insulated
4- E-1.50Ç2SSCB 2x1.5 mm2 / Multiple / Pt10% Rh-Pt (S) / Silicone + Glass Fiber + Shield Insulated
5- E-1.50Ç2RSCB 2x1.5 mm2 / Multiple / Pt%13 Rh-Pt (R) / Silicone + Glass Fiber + Shield Insulated
6- E-1.50Ç2BSCB 2x1.5 mm2 / Multiple / Pt18% Rh-Pt (B) / Silicone + Glass Fiber + Shield Insulated
7- E-1.50Ç4KSCB 4x1.5 mm2 / Multiple / NiCr-Ni (K) / Silicone + Glass Fiber + Shield Insulated
8- E-1.50Ç2LSS 2x1.5 mm2 / Multiple / Fe-Const (L) / Silicone + Silicone Insulated
9- E-1.50Ç2JSS 2x1.5 mm2 / Multiple / Fe-Const (J) / Silicone + Silicone Insulated
10- E-1.50Ç2KSS 2x1.5 mm2 / Multiple / NiCr-Ni (K) / Silicone + Silicone Insulated
11- E-1.50Ç2SSS 2x1.5 mm2 / Multiple / Pt%10 Rh-Pt (S) / Silicone + Silicone Insulated
12- E-1.50Ç2RSS 2x1.5 mm2 / Multiple / Pt%13 Rh-Pt (R) / Silicone + Silicone Insulated
13- E-1.50Ç2BSS 2x1.5 mm2 / Multiple / Pt%18 Rh-Pt (B) / Silicone + Silicone Insulated
14- E-1.50Ç4KSS 4x1.5 mm2 / Multiple / NiCr-Ni (K) / Silicone + Silicone Insulated
15- E-1.50Ç2LTT 2x1.5 mm2 / Multiple / Fe-Const (L) / Teflon + Teflon Insulated
16- E-1.50Ç2JTT 2x1.5 mm2 / Multiple / Fe-Const (J) / Teflon + Teflon Insulated
17- E-0.75Ç2JSS 2x0.75 mm2 / Multiple / Fe-Const (J) / Silicone + Silicone Insulated
18- E-0.75Ç2KSS 2x0.75 mm2 / Multiple / NiCr-Ni (K) / Silicone + Silicone Insulated
19- E-0.35Ç4JSS 4x0.35 mm2 / Multiple / Fe-Const (J) / Silicone + Silicone Insulated
20- E-0.35Ç4KSS 4x0.35 mm2 / Multiple / NiCr-Ni (K) / Silicone + Silicone Insulated
21- E-0.35Ç6JSS 6x0.35 mm2 / Multiple / Fe-Const (J) / Silicone + Silicone Insulated
22- E-0.35Ç6KSS 6x0.35 mm2 / Multiple / NiCr-Ni (K) / Silicone + Silicone Insulated
23- E-0.22Ç2LSS 2x0.22 mm2 / Multiple / Fe-Const (L) / Silicone + Silicone Insulated
24- E-0.22Ç2JSS 2x0.22 mm2 / Multiple / Fe-Const (J) / Silicone + Silicone Insulated
25- E-0.22Ç2KSS 2x0.22 mm2 / Multiple / NiCr-Ni (K) / Silicone + Silicone Insulated
26- E-0.22Ç2NSS 2x0.22 mm2 / Multiple / Nicrosil-Nisil (N) / Silicone + Silicone Insulated
27- E-0.22Ç2SSS 2x0.22 mm2 / Multiple / Pt%10 Rh-Pt (S) / Silicone + Silicone Insulated
28- E-0.22Ç2RSS 2x0.22 mm2 / Multiple / Pt%13 Rh-Pt (R) / Silicone + Silicone Insulated
