Sheathed Thermocouple Sensor
Sheath thermocouple sensors have shielded thermocouple extension lead wire and sheath diameter probeФ1.5~Φ8mm, with flexibility, high pressure resistant, fast thermal response time and long operating life.
Sheath thermocouple sensors have shielded thermocouple extension lead wire and sheath diameter probeФ1.5~Φ8mm, with flexibility, high pressure resistant, fast thermal response time and long operating life. These sheathed thermocouple can directly measure the temperature of liquid, vapor, gas medium and solid surface inin various production processes.
As a temperature sensor, the Sheathed type thermocouple sensor is usually used with temperature controller, paperless recorder and signal isolators to form a temperature monitoring system, which can be used for chemical equipment, environmental protection equipment, boiler equipment and vacuum furnace in petrochemical, metal smelting and other fields.
S/E/K/J/T type thermocouple temperature range and accuracy sheet
Category | Type of sensing element | Sheath diameter | Normal working temperature | Highest working temperature | Allowable deviation Δt | |
Measuring range | Permissible deviation | |||||
Platinum Rhodium 10 - Platinum | S type | ≥Φ3mm | 1100℃ | 1300℃ | 0~1300℃ | ±2.5℃ or ±0.75%t |
Nickelchromium - Copper nickel | E type | ≥Φ3mm | 600℃ | 700℃ | 0~700℃ | ±2.5℃ or ±0.75%t |
Nickel chromium - Nickel silicon | K type | ≥Φ3mm | 800℃ | 950℃ | 0~900℃ | ±2.5℃ or ±0.75%t |
Iron - constantan | J type | ≥Φ3mm | 500℃ | 600℃ | 0~600℃ | Not specified |
Copper - Copper nickel | T type | ≥Φ3mm | 350℃ | 400℃ | ＜-200℃ | Not specified |
-40~350℃ | ±1.0℃ or ±0.75%t | |||||
Thermal response time of thermocouple
| Sheath diameter (mm) | Thermal response time (s) | |
Shell type | Insulation type | |
2.0 | 0.4 | 0.5 |
3.0 | 0.6 | 1.2 |
4.0 | 0.8 | 2.5 |
5.0 | 1.2 | 4.0 |
6.0 | 2.0 | 6.0 |
8.0 | 4.0 | 8.0 |
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