Type J Thermocouple
Range: 0°C to +760°C
Accuracy: ±2.2°C
Length:
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Key Specifications
- Temperature Range: 0°C to +760°C (Type J)
- Accuracy: ±2.2°C or ±0.75% of reading
- Sensitivity: ~55 µV/°C (millivolts per °C)
- Response Time: <1 second to several minutes (depends on probe construction)
- Stability / Drift: Iron wire can oxidize at high temp; best for reducing/neutral atmospheres
- Linearity: Moderate (non-linear, requires compensation for high accuracy)
- Repeatability: Good, but can be affected by mechanical/thermal cycling
- Output Type: Analog voltage (millivolts)
- Power Requirements: None (self-powered, generates voltage from temperature difference)
- Durability & Environmental Resistance: Not recommended for moist/oxidizing atmospheres above 540°C
- Cost: Low to moderate, depending on probe and sheath
- Calibration Requirements: Requires periodic calibration for best accuracy
Type J thermocouples are cost-effective and suitable for general-purpose use in reducing or inert atmospheres. They are not recommended for use in oxidizing environments at high temperatures. Select your preferred probe style for your application.