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NPL High-Temperature Thermocouple Calibration System

2026-05-07 Measurement Instruments, Temperature & Humidity Detector, Temperature Verification and Calibration

Brand	NPL (National Physical Laboratory)
Origin	United Kingdom
Instrument Category	Temperature Verification and Calibration System
Calibration Fixed Points	Fe–C (1153 °C), Co–C (1324 °C), Pd–C (1492 °C), Pt–C (1738 °C), Ru–C (1953 °C), Lr–C (2290 °C), Ag (961.8 °C), Cu (1084.6 °C)
Expanded Uncertainty (k = 2)	±0.17 °C to ±1.6 °C depending on fixed point
Accreditation	UKAS ISO/IEC 17025
Compliance	JJF (Military) 130–2017, ITS-90 extension protocols

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