Ohmalloy Material Co.,Ltd
QUALITY BEST, INTEGRITY FIRST. www.ohmalloy.com
Add to Cart
Type SC / R / BC Thermocouple Cable Copper Nickel wire Measurement Range -200-1300 °C
Thermocouple variety and index
Thermocouple Variety and Index | ||
Variety | Type | Measurement Range(°C) |
NiCr-NiSi | K | -200-1300 |
NiCr-CuNi | E | -200-900 |
Fe-CuNi | J | -40-750 |
Cu-CuNi | T | -200-350 |
NiCrSi-NiSi | N | -200-1300 |
NiCr-AuFe0.07 | NiCr-AuFe0.07 | -270-0 |
3 . Dimensions and Tolerance of Fiberglass Insulated Thermocouple Wire
Dimensions / Tolerance mm ) : 4.0+-0.25
Color code & initial calibration tolerances for thermocouple wire:
| Thermocouple Type | ANSI Color Code | Initial Calibration Tolerances | ||||
| Wire Alloys | Calibration | +/- Conductor | Jacket | Temperature Range | Standard Limits | Special Limits |
| Iron(+) vs. Constantan(-) | J | White/Red | Brown | 0°C to +285°C 285°C to +750°C | ±2.2°C ± .75% | ±1.1°C ± .4% |
| CHROMEL(+) vs. ALUMEL(-) | K | Yellow/Red | Brown | -200°C to -110°C -110°C to 0°C 0°C to +285°C 285°C to +1250°C | ± 2% ±2.2°C ±2.2°C ± .75% | ±1.1°C ± .4% |
| Copper(+) vs. Constantan(-) | T | Blue/Red | Brown | -200°C to -65°C -65°C to +130°C 130°C to +350°C | ± 1.5% ±1°C ± .75% | ± .8% ± .5°C ± .4% |
| CHROMEL(+) vs. Constantan(-) | E | Purple/Red | Brown | -200°C to -170°C -170°C to +250°C 250°C to +340°C 340°C+900°C | ± 1% ±1.7°C ±1.7°C ± .5% | ±1°C ±1°C ± .4% ± .4% |
Color Code & Initial Calibration Tolerance for Extension Wire:
| Extension type | ANSI Color Code | Initial Calibration Tolerances | ||||
| Wire Alloys | Calibration | +/- Conductor | Jacket | Temperature Range | Standard Limits | Special Limits |
| Iron (+) vs. Constantan(-) | JX | White/Red | Black | 0°C to +200°C | ±2.2°C | ±1.1°C |
| CHROMEL (+) vs. ALUMEL (-) | KX | Yellow/Red | Yellow | 0°C to +200°C | ±2.2°C | ±1.1°C |
| Copper(+) vs. Constantan(-) | TX | Blue/Red | Blue | -60°C to +100°C | ±1.1°C | ± .5°C |
| CHROMEL(+) vs. Constantan(-) | EX | Purple/Red | Purple | 0°C to +200°C | ±1.7°C | ±1.1°C |
PVC-PVC Physical Properties:
| Characteristics | Insulation | Jacket |
| Abrasion Resistance | Good | Good |
| Cut Through Resistance | Good | Good |
| Moisture Resistance | Excellent | Excellent |
| Solder Iron Resistance | Poor | Poor |
| Service Temperature | 105ºC continuous 150ºC single | 105ºC continuous 150ºC single |
| Flame Test | Self-extinguishing | Self-extinguishing |
