RTD type PT100 thermocouple
Features of RTD type thermocouple
1.Material and diameter of sheath will affect temperature range of the thermocouple, i.e. range of thermocouple will be increased with diameter for same sheath material; however, under condition of same diameter, range of therocouple will be determined by material of the sheath;
2.Fast response: smaller the product diameter is, faster the temperature will be changed;
3.Various installation options will meet requirements of different installation conditions;
4.Product with good mechanic strength and air tightness, could be applied under harsh conditions including vibration, low and high operating temperature;
5.With high accuracy, large range (-200℃~+1300℃, could be made with -270℃~2800℃ for special conditions) and long service life;
Application
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.
Category | Code of | Class of Tolerance | |||
Graduation | Class I | Class II | |||
Temperature | Tolerance | Temperature | Tolerance | ||
Measurement Range | Value | Measurement Range | Value | ||
Ni Cr Si- Ni Si Mg | N | 40~1000º C | ± 1.5º C or ± 0.4%t | 40~1200º C | ± 2.5º C or ± 0.75%t |
Ni Cr - Ni Si | K | ||||
Ni Cr - Cu Ni | E | 40~800º C | ± 1.5º C or ± 0.4%t | 40~900º C | ± 2.5º C or ± 0.75%t |
Fe - Cu Ni | J | 40~750º C | 40~750º C | ||
Cu - Cu Ni | T | 40~350º C | ± 1.5º C or ± 0.4%t | 40~350º C | ± 1º C or ± 0.75%t |
Pt Rh13 - Pt | R | 0~1000º C | ± 1.5º C or ± 0.4%t | 0~600º C | ± 1.5º C |
Pt Rh10 - Pt | S | 1000~1600º C | ± [1+0.003 or t - 1100)]º C | 600~1600º C | 0.25%t |
Pt Rh30 - Pt Rh6 | B | - | 600~1700º C | ± 0.5º C or ± 0.25%t | |
