1000 Degree K Type Thermocouple With Nichrome Resistance
ceramic insulator insulated tip welded 1000 degree K-type thermo
Description:
A thermocouple is a temperature-measuring device consisting of two dissimilar conductors that contact each other at one or more spots. It produces a voltage when the temperature of one of the spots differs from the reference temperature at other parts of the circuit. Thermocouples are a widely used type of temperature sensorfor measurement and control,and can also convert a temperature gradient into electricity. Commercial thermocouples are inexpensive,interchangeable, are supplied with standard connectors, and can measure a wide range of temperatures. In contrast to most other methods of temperature measurement, thermocouples are self powered and require no external form of excitation.
Specification:
The working temperature for the thermocouple alloy wires.
| Tag | Type |
Operating temperature range (ºC) |
Tolerance (ºC) | ||||||
| long term | Short term | Grade | Temperature range |
Tolerance | |||||
| K | NiCr-NiSi | 1200 | 1300 | Ⅰ | -40~1100 | ± 1.5ºC or ± 0.4%t | |||
| Ⅱ | -40~1300 | ± 2.5ºC or ± 0.75%t | |||||||
| N | NiCrSi-NiSi | 1200 | 1300 | Ⅰ | -40~1100 | ± 1.5ºC or ± 0.4%t | |||
| Ⅱ | -40~1300 | ± 2.5ºC or ± 0.75%t | |||||||
| E | NiCr-CuNi | 750 | 900 | Ⅰ | -40~800 | ± 1.5ºC or ± 0.4%t | |||
| Ⅱ | -40~900 | ± 2.5ºC or ± 0.75%t | |||||||
| J | Fe-CuNi | 600 | 750 | Ⅰ | 0~750 | ± 1.5ºC or ± 0.4%t | |||
| Ⅱ | ± 2.5ºC or ± 0.75%t | ||||||||
| T | Cu-CuNi | 300 | 350 | Ⅰ | -40~350 | ± 0.5ºC or ± 0.4%t | |||
| Ⅱ | ± 1ºC or ± 0.75%t |
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Thermocouples are widely used in science and industry; applications include temperature measurement for kilns, gas turbine exhaust, diesel engines, and other industrial processes. Thermocouples are also used in homes, offices and businesses as the temperature sensors in thermostats, and also as flame sensors in safety devices for gas-powered major appliances.
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