Ohmalloy Material Co.,Ltd
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Type RTD thermocouple wire multi-strands PTFE coat with stainless steel shield
Specifications:
1.Style:Compensation Wire
2.Thermocouple RTD wire
Thermocouple RTD wire Classification
1. Thermocouple level (high temperature level). This type of thermocouple wire is mainly suitable for thermocouple type K, J, E, T, N and L and other high temperature detection instrument, temperature sensor, etc.
2. Compensating wire level (low temperature level). This type of thermocouple wire is mainly suitable for compensating cable and extension wire of various thermocouples of type S, R, B, K, E, J, T, N and L, heating cable, control cable and so on.
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 |
105ºC continuous |
| Flame Test | Self-extinguishing | Self-extinguishing |
Company profile
Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy
such as high resistance alloy, low-resistance copper nickel alloy, FeCrAl alloy and thermocouple
Alloy.
Ohmalloy Material Co.,Ltd have a full production line from melting, surface cleaning, rolling and
slitting, full set of testing machine and can meet all kinds of technical requirement from customer.
Our product is widely used in heating equipment, big steel mill, mineral,electrical equipment, food
machinery,auto industry,aerospace industry.Our product not only is popular in domestic market, but
also been exported to all over the world.
Our company aims to be the best-quality alloy producer in the world.We insist on developing the
more advanced alloy strip technology, to serve all the customer, improve people's living level,make
a more green earth in the future.