K-Type NiCr-NiSi Thermocouple Bare Wire -200°C to 1375°C Range with 41 μV/°C Sensitivity for Laboratory Applications

K-type thermocouple bare wire is a precision temperature measurement device composed of chromium-nickel alloy (KP) and nickel-aluminum alloy (KN) wires. Utilizing the thermoelectric effect, it provides accurate temperature monitoring across a wide range from -200°C to 1,375°C, making it ideal for laboratory and industrial applications.

• Temperature Range: -200°C to 1,372°C (-328°F to 2,502°F)
• Thermoelectric Output: Approximately 39.4 μV at standard temperature difference
• Sensitivity: Approximately 41 μV/°C
• Chemical Composition: Positive leg (KP) Ni:Cr≈90:10, Negative leg (KN) Ni:Si≈97:3

ASTM E 230, ANSI MC 96.1, IEC 584-1/2/3, DIN EN 60584-1/2, BS 4937.1041, NF EN 60584-1/2, JIS C 1602, GOST 3044

• Thermochemical Reactions: Monitor and control temperature during organic synthesis and catalytic processes
• Thermodynamics Research: Measure heat capacity, thermal conductivity, and phase change behavior
• Materials Science: Evaluate thermal expansion coefficients and phase transition temperatures
• Environmental Monitoring: Ensure temperature stability in incubators, baths, and controlled environments

• Excellent linear response characteristics for precise measurements
• Fast response time suitable for dynamic experimental processes
• Minimal sensitivity to humidity and atmospheric conditions
• High accuracy and stability across the entire operating range
• Wide temperature coverage from cryogenic to high-temperature applications