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This page explains how Thermocouple is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
Temperature sensor that generates voltage proportional to temperature difference
Technical details and manufacturing context for Thermocouple
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Temperature Range | -40–1200 °C | Type K; beyond range, sensor degradationIEC 60584 |
| Accuracy Class | Class 1 | Class 1: ±1.5°C or ±0.4% of readingIEC 60584 |
| Response Time | 0.5–5 s | Depends on sheath diameter and constructionIEC 60584 |
| Insulation Resistance | ≥100 MΩ | At 500 V DC, ambient temperatureIEC 60584 |
| Probe Diameter | 3–8 mm | Affects response time and mechanical strength |
| Probe Length | 100–2000 mm | Custom lengths available |
| Sheath Material | 304/316/Inconel 600 | Select based on corrosion and temperatureASTM A312 |
| Ingress Protection | IP54–IP65 | Higher IP for harsh environmentsIEC 60529 |
| Connection Type | Thread/Flange | Thread: M20x1.5, G1/2; Flange: ANSI/DIN |
| Output Signal | mV/4–20 mA | mV for bare thermocouple; 4-20 mA with transmitter |
| Weight | 0.2–2.5 kg | Depends on length and connection type |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is essential for the following industrial systems and equipment:
| accuracy: | ±0.5°C to ±2.5°C (depending on thermocouple type and calibration) |
| pressure: | Typically up to 1000 bar (depends on sheath material and construction) |
| temperature: | -200°C to +1800°C (depending on thermocouple type) |
| response time: | 0.1 to 10 seconds (depends on sheath diameter and construction) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
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A practical evidence checklist for RFQ preparation and supplier evaluation.
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A thermocouple works on the Seebeck effect, where two dissimilar metals joined at one end produce a voltage proportional to the temperature difference between the hot and cold junctions. This voltage is measured to determine temperature.
According to IEC 60584, a Type K thermocouple has a temperature range of -40 to 1200 °C. However, exceeding this range can cause sensor degradation, so it is important to verify the specific model's limits.
Common standards include IEC 60584 for thermocouple tolerances and temperature ranges, ASTM A312 for sheath materials for operating pressure, and IEC 60529 for ingress protection. These are reference standards; always confirm compliance with the manufacturer.
Consider factors such as temperature range, accuracy class, response time, probe diameter and length, sheath material, connection type, output signal, and environmental conditions (e.g., pressure, ingress protection). Verify all parameters with the supplier for your specific use case.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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