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| Add Time： | 2016-08-20 16:02:18 |
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This product is suitable for the index number is S, E, K, N, E, J and T thermocouples compensating lead wires.
A, production standards The enterprise standard
Second, the product name, model as shown in table 1
Table 1
| The product name | Compensation conductor model | The name with thermocouple | With the thermocouple index number |
| Copper, copper nickel compensation conductor should be 0.6 | SC RC | 10 - platinum platinum rhodium thermocouple 13 - platinum rhodium platinum thermocouple | S R |
| Iron, copper and nickel 22 compensation conductor | KCA | Nickel chrome - nickel silicon thermocouple | K |
| Copper-constantan thermocouple cable | KCB | ||
| Nickel chrome 10 - nickel silicon 3 extension wire | KX | ||
| Iron, copper and nickel 22 compensation conductor | NC | Nickel chrome - nickel silicon thermocouple | N |
| 14 silicon nickel chrome - nickel silicon extension type wire | NX | ||
| Nickel chrome 10-45 extended type copper silicon wires | EX | Copper nickel chrome - nickel thermocouple | E |
| 45 extended type iron, copper and nickel wire | JX | Iron, copper and nickel thermocouple | J |
| 45 extended type copper, copper nickel wire | TX | Copper-constantan thermocouple | T |
Three, use conditions of ambient temperature: 60 ~ 275 ℃.
Fourth, technical conditions
1, when the ambient air temperature is 15 ~ 35 ℃, relative humidity is no more than 80%, compensation conductor should be finished product line between the core and the line between core and shielding layer of insulation resistance for every 10 m is not less than 5 m omega.
2, finished product compensation conductor through ac 50 hz, 500 v voltage test for 1 minute not breakdown;
3, thermoelectric potential tolerances in table 2
Table 2.
| model | Thermoelectric emfs mu V | At 200 ℃ |
| Thermoelectric emfs | tolerance | |
| SC or RC KCA or KCB KX NC NX EX JX TX | 1440 8137 8137 5912 5912 13419 10777 9285 | Plus or minus 60 |
Five, the specifications of the cable and outer diameter refer to table 3
Table 3
| model | Wire core material | Wire core type | Nominal cross section was | Conductor structure root/mm in diameter | The finished cable diameter |
| KCHFF KCAHFF KXHFF NCHFF NXHFF EXHFF JXHFF TXHFF | Compensating lead wire | Single strand wire core | 0.2 0.5 1.0 1.5 2.5 | 1/0.52 1/0.8 1/1.13 1/1.37 1/1.76 | 1.6 x 2.4 2.1 x 3.2 2.1 x 3.2 2.7 x 4.7 3.5 x 5.9 |
| Multi-strand wire core | 0.2 0.5 1.0 1.5 | 7/0.2 7/0.3 7/0.43 7/0.52 | 1.7 x 2.6 2.2 x 3.4 2.9 x 4.6 3.1 x 5.2 |
Note: 1, the shield type compensation wire diameter should be shielded layer thickness, namely add 0.8 mm;
2, line core core (R) or multiple thread tape screened (P), the model should add the "R" or "P" or "RP".
Six, delivery requirements
1, delivery length of 100 m, or the integer times, length should be not less than 100 m in coil, the length of the measurement error should be not more than + / - 0.5%;
2, according to the agreement to allow any length of delivery.
